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# Remove the line below if you want to inherit .editorconfig settings from higher directories
root = true
# C# files
[*.cs]
#### Core EditorConfig Options ####
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# New line preferences
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#### .NET Coding Conventions ####
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dotnet_sort_system_directives_first = true
file_header_template = unset
# this. and Me. preferences
dotnet_style_qualification_for_event = false
dotnet_style_qualification_for_field = false
dotnet_style_qualification_for_method = false
dotnet_style_qualification_for_property = false
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dotnet_style_parentheses_in_other_binary_operators = always_for_clarity
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# New line preferences
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csharp_style_allow_embedded_statements_on_same_line_experimental = false
#### C# Formatting Rules ####
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csharp_new_line_before_else = true
csharp_new_line_before_finally = true
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csharp_space_after_comma = true
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# Wrapping preferences
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#### Naming styles ####
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dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.interface.required_modifiers =
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dotnet_naming_symbols.types.required_modifiers =
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dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.non_field_members.required_modifiers =
# Naming styles
dotnet_naming_style.pascal_case.required_prefix =
dotnet_naming_style.pascal_case.required_suffix =
dotnet_naming_style.pascal_case.word_separator =
dotnet_naming_style.pascal_case.capitalization = pascal_case
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@ -1,37 +0,0 @@

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GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
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All other non-permissive additional terms are considered "further
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You may not propagate or modify a covered work except as expressly
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Moreover, your license from a particular copyright holder is
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violation by some reasonable means, this is the first time you have
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your receipt of the notice.
Termination of your rights under this section does not terminate the
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this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
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10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
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Corresponding Source of the work from the predecessor in interest, if
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You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
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sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
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then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
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you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
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contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
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covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
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the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
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Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
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shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.
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permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
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3 of the GNU General Public License.
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The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
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If the Program specifies that a proxy can decide which future
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THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
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Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
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get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

@ -1,3 +0,0 @@
dotnet build ../src/Connected.ServiceModel.Client/Connected.ServiceModel.Client.csproj
dotnet build ../src/Connected.ServiceModel.Client.Storage/Connected.ServiceModel.Client.Storage.csproj
dotnet build ../src/Connected.ServiceModel.Client.Data/Connected.ServiceModel.Client.Data.csproj

@ -1,17 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<config>
<add key="repositoryPath" value="%PACKAGEHOME%/External" />
</config>
<packageRestore>
<add key="enabled" value="True" />
<add key="automatic" value="True" />
</packageRestore>
<packageSources>
<add key="NuGet official package source" value="https://api.nuget.org/v3/index.json" />
<add key="Local repository" value="%LOCAL_NUGET%" />
</packageSources>
<disabledPackageSources />
</configuration>

@ -1,50 +0,0 @@
using System.Collections.Immutable;
using Connected.Entities;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class AggregatedCommandBuilder<TEntity>
{
public StorageOperation? Build(TEntity entity)
{
if (entity is not IEntity ie)
throw new ArgumentException(nameof(entity));
switch (ie.State)
{
case State.New:
return BuildInsert(ie);
case State.Default:
return BuildUpdate(ie);
case State.Deleted:
return BuildDelete(ie);
default:
throw new NotSupportedException();
}
}
public List<StorageOperation> Build(ImmutableArray<TEntity> entities)
{
var result = new List<StorageOperation>();
foreach (var entity in entities)
result.Add(Build(entity));
return result;
}
private StorageOperation? BuildInsert(IEntity entity)
{
return new InsertCommandBuilder().Build(entity);
}
private StorageOperation? BuildUpdate(IEntity entity)
{
return new UpdateCommandBuilder().Build(entity);
}
private StorageOperation? BuildDelete(IEntity entity)
{
return new DeleteCommandBuilder().Build(entity);
}
}

@ -1,15 +0,0 @@
using Connected.Annotations;
using Connected.ServiceModel.Client.Data.Remote;
using Microsoft.Extensions.DependencyInjection;
[assembly: MicroService(MicroServiceType.Provider)]
namespace Connected.ServiceModel.Client.Data;
internal sealed class Boot : Startup
{
protected override void OnConfigureServices(IServiceCollection services)
{
services.AddScoped<RemoteTableService>();
}
}

@ -1,206 +0,0 @@
using System.Data;
using System.Reflection;
using System.Text;
using Connected.Entities;
using Connected.Entities.Annotations;
using Connected.Entities.Storage;
using Connected.Interop;
namespace Connected.ServiceModel.Client.Data;
internal abstract class CommandBuilder
{
private readonly List<IStorageParameter> _parameters;
private readonly List<PropertyInfo> _whereProperties;
private List<PropertyInfo> _properties;
protected CommandBuilder()
{
_parameters = new List<IStorageParameter>();
_whereProperties = new List<PropertyInfo>();
Text = new StringBuilder();
}
public StorageOperation? Build(IEntity entity)
{
Entity = entity;
if (TryGetExisting(out StorageOperation? existing))
{
/*
* We need to rebuild an instance since StorageOperation
* is immutable
*/
var result = new StorageOperation
{
CommandText = existing.CommandText,
CommandTimeout = existing.CommandTimeout,
CommandType = existing.CommandType,
Concurrency = existing.Concurrency
};
if (result.Parameters is null)
return result;
foreach (var parameter in result.Parameters)
{
if (parameter.Direction == ParameterDirection.Input)
{
if (ResolveProperty(parameter.Name) is PropertyInfo property)
{
result.AddParameter(new StorageParameter
{
Value = GetValue(property),
Name = parameter.Name,
Type = parameter.Type,
Direction = parameter.Direction
});
}
}
}
return result;
}
Schema = Entity.GetSchemaAttribute();
return OnBuild();
}
protected List<PropertyInfo> Properties => _properties ??= GetProperties();
protected List<PropertyInfo> WhereProperties => _whereProperties;
protected string CommandText => Text.ToString();
protected IEntity Entity { get; private set; }
protected SchemaAttribute Schema { get; private set; }
private StringBuilder Text { get; set; }
protected abstract StorageOperation OnBuild();
protected abstract bool TryGetExisting(out StorageOperation? result);
protected List<IStorageParameter> Parameters => _parameters;
protected void Write(string text)
{
Text.Append(text);
}
protected void Write(char text)
{
Text.Append(text);
}
protected void WriteLine(string text)
{
Text.AppendLine(text);
}
protected void Trim()
{
for (var i = Text.Length - 1; i >= 0; i--)
{
if (!Text[i].Equals(',') && !Text[i].Equals('\n') && !Text[i].Equals('\r') && !Text[i].Equals(' '))
break;
if (i < Text.Length)
Text.Length = i;
}
}
protected virtual List<PropertyInfo> GetProperties()
{
return Interop.Properties.GetImplementedProperties(Entity);
}
protected static string ColumnName(PropertyInfo property)
{
var dataMember = property.FindAttribute<MemberAttribute>();
return dataMember is null || string.IsNullOrEmpty(dataMember.Member) ? property.Name.ToCamelCase() : dataMember.Member;
}
protected static DbType ResolveDbType(PropertyInfo property)
{
return property.PropertyType.ToDbType();
}
protected object? GetValue(PropertyInfo property)
{
if (IsNull(property))
return "NULL";
return GetValue(property.GetValue(Entity), property.PropertyType.ToDbType());
}
private static object? GetValue(object value, DbType dbType)
{
switch (dbType)
{
case DbType.Binary:
if (value is byte[] bytes)
return Convert.ToBase64String(bytes);
else
return Convert.ToBase64String(Encoding.UTF8.GetBytes(value.ToString()));
default:
return value;
}
}
private bool IsNull(PropertyInfo property)
{
var result = property.GetValue(Entity);
if (result is null)
return true;
if (property.GetCustomAttribute<NullableAttribute>() is null)
return false;
var def = Types.GetDefault(property.PropertyType);
return TypeComparer.Compare(result, def);
}
protected StorageParameter CreateParameter(PropertyInfo property)
{
return CreateParameter(property, ParameterDirection.Input);
}
protected StorageParameter CreateParameter(PropertyInfo property, ParameterDirection direction)
{
var columnName = ColumnName(property);
var parameterName = $"@{columnName}";
var parameter = new StorageParameter
{
Direction = direction,
Name = parameterName,
Type = ResolveDbType(property),
Value = GetValue(property)
};
Parameters.Add(parameter);
return parameter;
}
private PropertyInfo ResolveProperty(string parameterName)
{
var propertyName = parameterName[1..];
var flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic;
if (Entity.GetType().GetProperty(propertyName.ToPascalCase(), flags) is PropertyInfo property)
return property;
if (Entity.GetType().GetProperty(propertyName, flags) is PropertyInfo raw)
return raw;
return null;
}
}

@ -1,47 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
<Title>$(AssemblyName)</Title>
<Authors>Tom PIT ltd</Authors>
<Copyright>2022 Tom PIT ltd</Copyright>
<PackageProjectUrl>https://git.tompit.com/Connected/Info</PackageProjectUrl>
<PackageReadmeFile>README.md</PackageReadmeFile>
<PackageTags>connected;platform;</PackageTags>
<IncludeSymbols>True</IncludeSymbols>
<SymbolPackageFormat>snupkg</SymbolPackageFormat>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<PackageOutputPath>$(OutputPath)</PackageOutputPath>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Connected.ServiceModel" Version="1.0.*-*" />
<PackageReference Include="Connected.Data" Version="1.0.*-*" />
<PackageReference Include="Connected.Entities" Version="1.0.*-*" />
<PackageReference Include="Connected.Services" Version="1.0.*-*" />
<PackageReference Include="Connected.ServiceModel.Client" Version="1.0.*-*" />
<PackageReference Include="Nerdbank.GitVersioning"
Version="3.5.119"
PrivateAssets="all"
Condition="!Exists('packages.config')" />
</ItemGroup>
<ItemGroup>
<None Include="..\..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>
<Target Name="CopyPackages" AfterTargets="Pack">
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).nupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).snupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
</Target>
</Project>

@ -1,17 +0,0 @@
using Connected.Expressions.Languages;
using System.Data;
namespace Connected.ServiceModel.Client.Data;
internal sealed class CqlDataType : DataType
{
public CqlDataType(SqlDbType dbType, bool notNull, int length, short precision, short scale)
{
DbType = dbType;
NotNull = notNull;
Length = length;
Precision = precision;
Scale = scale;
}
public SqlDbType DbType { get; }
}

@ -1,781 +0,0 @@
using System.Linq.Expressions;
using Connected.Expressions;
using Connected.Expressions.Formatters;
using Connected.Expressions.Languages;
using Connected.Interop;
namespace Connected.ServiceModel.Client.Data;
/// <summary>
/// This is currently the same implementation as the default (TSql) formatter.
/// </summary>
internal sealed class CqlFormatter : SqlFormatter
{
public CqlFormatter(ExpressionCompilationContext context, QueryLanguage? language)
: base(language)
{
Context = context;
HideColumnAliases = true;
HideTableAliases = true;
UseBracketsInWhere = false;
}
public ExpressionCompilationContext Context { get; }
public static new string Format(ExpressionCompilationContext context, Expression expression)
{
return Format(context, expression, new CqlLanguage());
}
public static string Format(ExpressionCompilationContext context, Expression expression, QueryLanguage language)
{
var formatter = new CqlFormatter(context, language);
formatter.Visit(expression);
return formatter.ToString();
}
protected override void WriteAggregateName(string aggregateName)
{
if (string.Equals(aggregateName, "LongCount", StringComparison.Ordinal))
Write("COUNT_BIG");
else
base.WriteAggregateName(aggregateName);
}
protected override void WriteTableName(string tableSchema, string tableName)
{
Write(tableName);
}
protected override Expression VisitMemberAccess(MemberExpression m)
{
if (m.Member.DeclaringType == typeof(string))
{
switch (m.Member.Name)
{
case "Length":
Write("LEN(");
Visit(m.Expression);
Write(")");
return m;
}
}
else if (m.Member.DeclaringType == typeof(DateTime) || m.Member.DeclaringType == typeof(DateTimeOffset))
{
switch (m.Member.Name)
{
case "Day":
Write("DAY(");
Visit(m.Expression);
Write(")");
return m;
case "Month":
Write("MONTH(");
Visit(m.Expression);
Write(")");
return m;
case "Year":
Write("YEAR(");
Visit(m.Expression);
Write(")");
return m;
case "Hour":
Write("DATEPART(hour, ");
Visit(m.Expression);
Write(")");
return m;
case "Minute":
Write("DATEPART(minute, ");
Visit(m.Expression);
Write(")");
return m;
case "Second":
Write("DATEPART(second, ");
Visit(m.Expression);
Write(")");
return m;
case "Millisecond":
Write("DATEPART(millisecond, ");
Visit(m.Expression);
Write(")");
return m;
case "DayOfWeek":
Write("(DATEPART(weekday, ");
Visit(m.Expression);
Write(") - 1)");
return m;
case "DayOfYear":
Write("(DATEPART(dayofyear, ");
Visit(m.Expression);
Write(") - 1)");
return m;
}
}
return base.VisitMemberAccess(m);
}
protected override Expression VisitMethodCall(MethodCallExpression m)
{
if (m.Method.DeclaringType == typeof(string))
{
switch (m.Method.Name)
{
case "StartsWith":
Write("(");
Visit(m.Object);
Write(" LIKE ");
Visit(m.Arguments[0]);
Write(" + '%')");
return m;
case "EndsWith":
Write("(");
Visit(m.Object);
Write(" LIKE '%' + ");
Visit(m.Arguments[0]);
Write(")");
return m;
case "Contains":
Write("(");
Visit(m.Object);
Write(" LIKE '%' + ");
Visit(m.Arguments[0]);
Write(" + '%')");
return m;
case "Concat":
var args = m.Arguments;
if (args.Count == 1 && args[0].NodeType == ExpressionType.NewArrayInit)
args = ((NewArrayExpression)args[0]).Expressions;
for (var i = 0; i < args.Count; i++)
{
if (i > 0)
Write(" + ");
Visit(args[i]);
}
return m;
case "IsNullOrEmpty":
Write("(");
Visit(m.Arguments[0]);
Write(" IS NULL OR ");
Visit(m.Arguments[0]);
Write(" = '')");
return m;
case "ToUpper":
Write("UPPER(");
Visit(m.Object);
Write(")");
return m;
case "ToLower":
Write("LOWER(");
Visit(m.Object);
Write(")");
return m;
case "Replace":
Write("REPLACE(");
Visit(m.Object);
Write(", ");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
case "Substring":
Write("SUBSTRING(");
Visit(m.Object);
Write(", ");
Visit(m.Arguments[0]);
Write(" + 1, ");
if (m.Arguments.Count == 2)
Visit(m.Arguments[1]);
else
Write("8000");
Write(")");
return m;
case "Remove":
Write("STUFF(");
Visit(m.Object);
Write(", ");
Visit(m.Arguments[0]);
Write(" + 1, ");
if (m.Arguments.Count == 2)
Visit(m.Arguments[1]);
else
Write("8000");
Write(", '')");
return m;
case "IndexOf":
Write("(CHARINDEX(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Object);
if (m.Arguments.Count == 2 && m.Arguments[1].Type == typeof(int))
{
Write(", ");
Visit(m.Arguments[1]);
Write(" + 1");
}
Write(") - 1)");
return m;
case "Trim":
Write("RTRIM(LTRIM(");
Visit(m.Object);
Write("))");
return m;
}
}
else if (m.Method.DeclaringType == typeof(DateTime))
{
switch (m.Method.Name)
{
case "op_Subtract":
if (m.Arguments[1].Type == typeof(DateTime))
{
Write("DATEDIFF(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
}
break;
case "AddYears":
Write("DATEADD(YYYY,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddMonths":
Write("DATEADD(MM,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddDays":
Write("DATEADD(DAY,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddHours":
Write("DATEADD(HH,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddMinutes":
Write("DATEADD(MI,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddSeconds":
Write("DATEADD(SS,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
case "AddMilliseconds":
Write("DATEADD(MS,");
Visit(m.Arguments[0]);
Write(",");
Visit(m.Object);
Write(")");
return m;
}
}
else if (m.Method.DeclaringType == typeof(Decimal))
{
switch (m.Method.Name)
{
case "Add":
case "Subtract":
case "Multiply":
case "Divide":
case "Remainder":
Write("(");
VisitValue(m.Arguments[0]);
Write(" ");
Write(GetOperator(m.Method.Name));
Write(" ");
VisitValue(m.Arguments[1]);
Write(")");
return m;
case "Negate":
Write("-");
Visit(m.Arguments[0]);
Write("");
return m;
case "Ceiling":
case "Floor":
Write(m.Method.Name.ToUpper());
Write("(");
Visit(m.Arguments[0]);
Write(")");
return m;
case "Round":
if (m.Arguments.Count == 1)
{
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", 0)");
return m;
}
else if (m.Arguments.Count == 2 && m.Arguments[1].Type == typeof(int))
{
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
}
break;
case "Truncate":
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", 0, 1)");
return m;
}
}
else if (m.Method.DeclaringType == typeof(Math))
{
switch (m.Method.Name)
{
case "Abs":
case "Acos":
case "Asin":
case "Atan":
case "Cos":
case "Exp":
case "Log10":
case "Sin":
case "Tan":
case "Sqrt":
case "Sign":
case "Ceiling":
case "Floor":
Write(m.Method.Name.ToUpper());
Write("(");
Visit(m.Arguments[0]);
Write(")");
return m;
case "Atan2":
Write("ATN2(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
case "Log":
if (m.Arguments.Count == 1)
goto case "Log10";
break;
case "Pow":
Write("POWER(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
case "Round":
if (m.Arguments.Count == 1)
{
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", 0)");
return m;
}
else if (m.Arguments.Count == 2 && m.Arguments[1].Type == typeof(int))
{
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", ");
Visit(m.Arguments[1]);
Write(")");
return m;
}
break;
case "Truncate":
Write("ROUND(");
Visit(m.Arguments[0]);
Write(", 0, 1)");
return m;
}
}
if (m.Method.Name == "ToString")
{
if (m.Object.Type != typeof(string))
{
Write("CONVERT(NVARCHAR, ");
Visit(m.Object);
Write(")");
}
else
Visit(m.Object);
return m;
}
else if (!m.Method.IsStatic && string.Equals(m.Method.Name, "CompareTo", StringComparison.Ordinal) && m.Method.ReturnType == typeof(int) && m.Arguments.Count == 1)
{
Write("(CASE WHEN ");
Visit(m.Object);
Write(" = ");
Visit(m.Arguments[0]);
Write(" THEN 0 WHEN ");
Visit(m.Object);
Write(" < ");
Visit(m.Arguments[0]);
Write(" THEN -1 ELSE 1 END)");
return m;
}
else if (m.Method.IsStatic && string.Equals(m.Method.Name, "Compare", StringComparison.Ordinal) && m.Method.ReturnType == typeof(int) && m.Arguments.Count == 2)
{
Write("(CASE WHEN ");
Visit(m.Arguments[0]);
Write(" = ");
Visit(m.Arguments[1]);
Write(" THEN 0 WHEN ");
Visit(m.Arguments[0]);
Write(" < ");
Visit(m.Arguments[1]);
Write(" THEN -1 ELSE 1 END)");
return m;
}
else if (m.Method.DeclaringType == typeof(TypeComparer) && m.Method.IsStatic && string.Equals(m.Method.Name, nameof(TypeComparer.Compare), StringComparison.Ordinal) && m.Method.ReturnType == typeof(bool) && m.Arguments.Count == 2)
{
Visit(m.Arguments[0]);
Write(" = ");
Visit(m.Arguments[1]);
return m;
}
return base.VisitMethodCall(m);
}
protected override NewExpression VisitNew(NewExpression nex)
{
if (nex.Constructor.DeclaringType == typeof(DateTime))
{
if (nex.Arguments.Count == 3)
{
Write("Convert(DateTime, ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[0]);
Write(") + '/' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[1]);
Write(") + '/' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[2]);
Write("))");
return nex;
}
else if (nex.Arguments.Count == 6)
{
Write("Convert(DateTime, ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[0]);
Write(") + '/' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[1]);
Write(") + '/' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[2]);
Write(") + ' ' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[3]);
Write(") + ':' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[4]);
Write(") + ':' + ");
Write("Convert(nvarchar, ");
Visit(nex.Arguments[5]);
Write("))");
return nex;
}
}
return base.VisitNew(nex);
}
protected override Expression VisitBinary(BinaryExpression b)
{
if (b.NodeType == ExpressionType.Power)
{
Write("POWER(");
VisitValue(b.Left);
Write(", ");
VisitValue(b.Right);
Write(")");
return b;
}
else if (b.NodeType == ExpressionType.Coalesce)
{
Write("COALESCE(");
VisitValue(b.Left);
Write(", ");
var right = b.Right;
while (right.NodeType == ExpressionType.Coalesce)
{
var rb = (BinaryExpression)right;
VisitValue(rb.Left);
Write(", ");
right = rb.Right;
}
VisitValue(right);
Write(")");
return b;
}
else if (b.NodeType == ExpressionType.LeftShift)
{
Write("(");
VisitValue(b.Left);
Write(" * POWER(2, ");
VisitValue(b.Right);
Write("))");
return b;
}
else if (b.NodeType == ExpressionType.RightShift)
{
Write("(");
VisitValue(b.Left);
Write(" / POWER(2, ");
VisitValue(b.Right);
Write("))");
return b;
}
return base.VisitBinary(b);
}
protected override Expression VisitConstant(ConstantExpression c)
{
var parameter = Context.Parameters.FirstOrDefault(f => f.Value == c);
if (parameter.Value is not null)
{
Write($"@{parameter.Key}");
return c;
}
return base.VisitConstant(c);
}
protected override Expression VisitValue(Expression expr)
{
if (IsPredicate(expr))
{
Write("CASE WHEN (");
Visit(expr);
Write(") THEN 1 ELSE 0 END");
return expr;
}
return base.VisitValue(expr);
}
protected override Expression VisitConditional(ConditionalExpression c)
{
if (IsPredicate(c.Test))
{
Write("(CASE WHEN ");
VisitPredicate(c.Test);
Write(" THEN ");
VisitValue(c.IfTrue);
var ifFalse = c.IfFalse;
while (ifFalse is not null && ifFalse.NodeType == ExpressionType.Conditional)
{
var fc = (ConditionalExpression)ifFalse;
Write(" WHEN ");
VisitPredicate(fc.Test);
Write(" THEN ");
VisitValue(fc.IfTrue);
ifFalse = fc.IfFalse;
}
if (ifFalse is not null)
{
Write(" ELSE ");
VisitValue(ifFalse);
}
Write(" END)");
}
else
{
Write("(CASE ");
VisitValue(c.Test);
Write(" WHEN 0 THEN ");
VisitValue(c.IfFalse);
Write(" ELSE ");
VisitValue(c.IfTrue);
Write(" END)");
}
return c;
}
protected override Expression VisitRowNumber(RowNumberExpression rowNumber)
{
Write("ROW_NUMBER() OVER(");
if (rowNumber.OrderBy is not null && rowNumber.OrderBy.Any())
{
Write("ORDER BY ");
for (var i = 0; i < rowNumber.OrderBy.Count; i++)
{
var exp = rowNumber.OrderBy[i];
if (i > 0)
Write(", ");
VisitValue(exp.Expression);
if (exp.OrderType != OrderType.Ascending)
Write(" DESC");
}
}
Write(")");
return rowNumber;
}
protected override Expression VisitIf(IfCommandExpression ifx)
{
if (!Language.AllowsMultipleCommands)
return base.VisitIf(ifx);
Write("IF ");
Visit(ifx.Check);
WriteLine(Indentation.Same);
Write("BEGIN");
WriteLine(Indentation.Inner);
VisitStatement(ifx.IfTrue);
WriteLine(Indentation.Outer);
if (ifx.IfFalse is not null)
{
Write("END ELSE BEGIN");
WriteLine(Indentation.Inner);
VisitStatement(ifx.IfFalse);
WriteLine(Indentation.Outer);
}
Write("END");
return ifx;
}
protected override Expression VisitBlock(Expressions.BlockExpression block)
{
if (!Language.AllowsMultipleCommands)
return base.VisitBlock(block);
for (var i = 0; i < block.Commands.Count; i++)
{
if (i > 0)
{
WriteLine(Indentation.Same);
WriteLine(Indentation.Same);
}
VisitStatement(block.Commands[i]);
}
return block;
}
protected override Expression VisitDeclaration(DeclarationExpression decl)
{
if (!Language.AllowsMultipleCommands)
return base.VisitDeclaration(decl);
for (var i = 0; i < decl.Variables.Count; i++)
{
var v = decl.Variables[i];
if (i > 0)
WriteLine(Indentation.Same);
Write("DECLARE @");
Write(v.Name);
Write(" ");
Write(Language.TypeSystem.Format(v.DataType, false));
}
if (decl.Source is not null)
{
WriteLine(Indentation.Same);
Write("SELECT ");
for (var i = 0; i < decl.Variables.Count; i++)
{
if (i > 0)
Write(", ");
Write("@");
Write(decl.Variables[i].Name);
Write(" = ");
Visit(decl.Source.Columns[i].Expression);
}
if (decl.Source.From is not null)
{
WriteLine(Indentation.Same);
Write("FROM ");
VisitSource(decl.Source.From);
}
if (decl.Source.Where is not null)
{
WriteLine(Indentation.Same);
Write("WHERE ");
Visit(decl.Source.Where);
}
}
else
{
for (var i = 0; i < decl.Variables.Count; i++)
{
var v = decl.Variables[i];
if (v.Expression is not null)
{
WriteLine(Indentation.Same);
Write("SET @");
Write(v.Name);
Write(" = ");
Visit(v.Expression);
}
}
}
return decl;
}
}

@ -1,47 +0,0 @@
using Connected.Expressions;
using Connected.Expressions.Languages;
using Connected.Expressions.Translation;
using Connected.Expressions.TypeSystem;
namespace Connected.ServiceModel.Client.Data;
internal sealed class CqlLanguage : QueryLanguage
{
private static CqlLanguage? _default;
static CqlLanguage()
{
SplitChars = new char[] { '.' };
}
public CqlLanguage()
{
TypeSystem = new CqlTypeSystem();
}
public override QueryTypeSystem TypeSystem { get; }
private static char[] SplitChars { get; }
public override bool AllowsMultipleCommands => true;
public override bool AllowSubqueryInSelectWithoutFrom => true;
public override bool AllowDistinctInAggregates => true;
public static CqlLanguage Default
{
get
{
if (_default is null)
Interlocked.CompareExchange(ref _default, new CqlLanguage(), null);
return _default;
}
}
public override string Quote(string name)
{
return name;
}
public override Linguist CreateLinguist(ExpressionCompilationContext context, Translator translator)
{
return new CqlLinguist(context, this, translator);
}
}

@ -1,41 +0,0 @@
using System.Linq.Expressions;
using Connected.Expressions;
using Connected.Expressions.Languages;
using Connected.Expressions.Translation;
using Connected.Expressions.Translation.Rewriters;
namespace Connected.ServiceModel.Client.Data;
internal class CqlLinguist : Linguist
{
public CqlLinguist(ExpressionCompilationContext context, CqlLanguage language, Translator translator)
: base(context, language, translator)
{
}
public override Expression Translate(Expression expression)
{
/*
* fix up any order-by's
*/
expression = OrderByRewriter.Rewrite(Language, expression);
expression = base.Translate(expression);
/*
* convert skip/take info into RowNumber pattern
*/
expression = SkipToRowNumberRewriter.Rewrite(Language, expression);
/*
* fix up any order-by's we may have changed
*/
expression = OrderByRewriter.Rewrite(Language, expression);
return expression;
}
public override string Format(Expression expression)
{
return CqlFormatter.Format(Context, expression, Language);
}
}

@ -1,190 +0,0 @@
using Connected.Expressions.Languages;
using Connected.Expressions.TypeSystem;
using Connected.Interop;
using System.Data;
using System.Globalization;
using System.Reflection;
using System.Text;
namespace Connected.ServiceModel.Client.Data;
internal sealed class CqlTypeSystem : QueryTypeSystem
{
public static int StringDefaultSize => int.MaxValue;
public static int BinaryDefaultSize => int.MaxValue;
public override DataType Parse(string typeDeclaration)
{
string[]? args = null;
string typeName;
string? remainder = null;
var openParen = typeDeclaration.IndexOf('(');
if (openParen >= 0)
{
typeName = typeDeclaration[..openParen].Trim();
var closeParen = typeDeclaration.IndexOf(')', openParen);
if (closeParen < openParen)
closeParen = typeDeclaration.Length;
var argstr = typeDeclaration[(openParen + 1)..closeParen];
args = argstr.Split(',');
remainder = typeDeclaration[(closeParen + 1)..];
}
else
{
var space = typeDeclaration.IndexOf(' ');
if (space >= 0)
{
typeName = typeDeclaration[..space];
remainder = typeDeclaration[(space + 1)..].Trim();
}
else
typeName = typeDeclaration;
}
var isNotNull = (remainder is not null) && remainder.ToUpper().Contains("NOT NULL");
return ResolveDataType(typeName, args, isNotNull);
}
public DataType ResolveDataType(string typeName, string[] args, bool isNotNull)
{
if (string.Equals(typeName, "rowversion", StringComparison.OrdinalIgnoreCase))
typeName = "Timestamp";
if (string.Equals(typeName, "numeric", StringComparison.OrdinalIgnoreCase))
typeName = "Decimal";
if (string.Equals(typeName, "sql_variant", StringComparison.OrdinalIgnoreCase))
typeName = "Variant";
var dbType = ResolveSqlType(typeName);
var length = 0;
short precision = 0;
short scale = 0;
switch (dbType)
{
case SqlDbType.Binary:
case SqlDbType.Char:
case SqlDbType.Image:
case SqlDbType.NChar:
case SqlDbType.NVarChar:
case SqlDbType.VarBinary:
case SqlDbType.VarChar:
length = args is null || !args.Any() ? 32 : string.Equals(args[0], "max", StringComparison.OrdinalIgnoreCase) ? int.MaxValue : int.Parse(args[0]);
break;
case SqlDbType.Money:
precision = args is null || !args.Any() ? (short)29 : short.Parse(args[0], NumberFormatInfo.InvariantInfo);
scale = args is null || args.Length < 2 ? (short)4 : short.Parse(args[1], NumberFormatInfo.InvariantInfo);
break;
case SqlDbType.Decimal:
precision = args is null || !args.Any() ? (short)29 : short.Parse(args[0], NumberFormatInfo.InvariantInfo);
scale = args is null || args.Length < 2 ? (short)0 : short.Parse(args[1], NumberFormatInfo.InvariantInfo);
break;
case SqlDbType.Float:
case SqlDbType.Real:
precision = args is null || !args.Any() ? (short)29 : short.Parse(args[0], NumberFormatInfo.InvariantInfo);
break;
}
return NewType(dbType, isNotNull, length, precision, scale);
}
private static DataType NewType(SqlDbType type, bool isNotNull, int length, short precision, short scale)
{
return new CqlDataType(type, isNotNull, length, precision, scale);
}
public static SqlDbType ResolveSqlType(string typeName)
{
return (SqlDbType)Enum.Parse(typeof(SqlDbType), typeName, true);
}
public override DataType ResolveColumnType(Type type)
{
var isNotNull = type.GetTypeInfo().IsValueType && !Nullables.IsNullableType(type);
type = Nullables.GetNonNullableType(type);
switch (Interop.TypeSystem.GetTypeCode(type))
{
case TypeCode.Boolean:
return NewType(SqlDbType.Bit, isNotNull, 0, 0, 0);
case TypeCode.SByte:
case TypeCode.Byte:
return NewType(SqlDbType.TinyInt, isNotNull, 0, 0, 0);
case TypeCode.Int16:
case TypeCode.UInt16:
return NewType(SqlDbType.SmallInt, isNotNull, 0, 0, 0);
case TypeCode.Int32:
case TypeCode.UInt32:
return NewType(SqlDbType.Int, isNotNull, 0, 0, 0);
case TypeCode.Int64:
case TypeCode.UInt64:
return NewType(SqlDbType.BigInt, isNotNull, 0, 0, 0);
case TypeCode.Single:
case TypeCode.Double:
return NewType(SqlDbType.Float, isNotNull, 0, 0, 0);
case TypeCode.String:
return NewType(SqlDbType.NVarChar, isNotNull, StringDefaultSize, 0, 0);
case TypeCode.Char:
return NewType(SqlDbType.NChar, isNotNull, 1, 0, 0);
case TypeCode.DateTime:
return NewType(SqlDbType.DateTime, isNotNull, 0, 0, 0);
case TypeCode.Decimal:
return NewType(SqlDbType.Decimal, isNotNull, 0, 29, 4);
default:
if (type == typeof(byte[]))
return NewType(SqlDbType.VarBinary, isNotNull, BinaryDefaultSize, 0, 0);
else if (type == typeof(Guid))
return NewType(SqlDbType.UniqueIdentifier, isNotNull, 0, 0, 0);
else if (type == typeof(DateTimeOffset))
return NewType(SqlDbType.DateTimeOffset, isNotNull, 0, 0, 0);
else if (type == typeof(TimeSpan))
return NewType(SqlDbType.Time, isNotNull, 0, 0, 0);
else if (type.GetTypeInfo().IsEnum)
return NewType(SqlDbType.Int, isNotNull, 0, 0, 0);
else
throw new NotSupportedException(nameof(ResolveColumnType));
}
}
public static bool IsVariableLength(SqlDbType dbType)
{
return dbType switch
{
SqlDbType.Image or SqlDbType.NText or SqlDbType.NVarChar or SqlDbType.Text or SqlDbType.VarBinary or SqlDbType.VarChar or SqlDbType.Xml => true,
_ => false,
};
}
public override string Format(DataType type, bool suppressSize)
{
var sqlType = (CqlDataType)type;
var sb = new StringBuilder();
sb.Append(sqlType.DbType.ToString().ToUpper());
if (sqlType.Length > 0 && !suppressSize)
{
if (sqlType.Length == int.MaxValue)
sb.Append("(max)");
else
sb.AppendFormat(NumberFormatInfo.InvariantInfo, "({0})", sqlType.Length);
}
else if (sqlType.Precision != 0)
{
if (sqlType.Scale != 0)
sb.AppendFormat(NumberFormatInfo.InvariantInfo, "({0},{1})", sqlType.Precision, sqlType.Scale);
else
sb.AppendFormat(NumberFormatInfo.InvariantInfo, "({0})", sqlType.Precision);
}
return sb.ToString();
}
}

@ -1,61 +0,0 @@
using System.Data;
namespace Connected.ServiceModel.Client.Data;
internal sealed class DataParameterCollection : List<IDbDataParameter>, IDataParameterCollection
{
public object this[string parameterName]
{
get
{
foreach (var parameter in this)
{
if (string.Equals(parameter.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
return parameter;
}
throw new NullReferenceException(nameof(IDbDataParameter));
}
set
{
if (value is not IDbDataParameter parameter)
throw new InvalidCastException(nameof(IDbDataParameter));
var idx = IndexOf(parameterName);
if (idx < 0)
throw new NullReferenceException(nameof(IDbDataParameter));
this[idx] = parameter;
}
}
public bool Contains(string parameterName)
{
foreach (var parameter in this)
{
if (string.Equals(parameter.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
return true;
}
return false;
}
public int IndexOf(string parameterName)
{
for (var i = 0; i < Count; i++)
{
var current = this[i];
if (string.Equals(current.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
return i;
}
return -1;
}
public void RemoveAt(string parameterName)
{
if (this[parameterName] is IDbDataParameter target)
Remove(target);
}
}

@ -1,56 +0,0 @@
using System.Collections.Concurrent;
using System.Reflection;
using Connected.Entities.Annotations;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class DeleteCommandBuilder : CommandBuilder
{
private static readonly ConcurrentDictionary<string, StorageOperation> _cache;
static DeleteCommandBuilder()
{
_cache = new();
}
private static ConcurrentDictionary<string, StorageOperation> Cache => _cache;
protected override StorageOperation OnBuild()
{
WriteLine($"DELETE [{Schema.Schema}].[{Schema.Name}] (");
WriteWhere();
var result = new StorageOperation { CommandText = CommandText };
foreach (var parameter in Parameters)
result.AddParameter(parameter);
Cache.TryAdd(Entity.GetType().FullName, result);
return result;
}
private void WriteWhere()
{
Write("WHERE ");
foreach (var property in Properties)
{
if (property.GetCustomAttribute<PrimaryKeyAttribute>() is not null)
{
var columnName = ColumnName(property);
CreateParameter(property);
Write($"{ColumnName} = @{ColumnName}");
}
}
Write(";");
}
protected override bool TryGetExisting(out StorageOperation? result)
{
return Cache.TryGetValue(Entity.GetType().FullName, out result);
}
}

@ -1,67 +0,0 @@
using System.Collections.Concurrent;
using System.Reflection;
using Connected.Entities.Annotations;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class InsertCommandBuilder : CommandBuilder
{
private static readonly ConcurrentDictionary<string, StorageOperation> _cache;
static InsertCommandBuilder()
{
_cache = new();
}
private static ConcurrentDictionary<string, StorageOperation> Cache => _cache;
protected override StorageOperation OnBuild()
{
WriteLine($"INSERT [{Schema.Schema}].[{Schema.Name}] (");
WriteColumns();
WriteLine(")");
Write("VALUES (");
WriteValues();
WriteLine(");");
var result = new StorageOperation { CommandText = CommandText };
foreach (var parameter in Parameters)
result.AddParameter(parameter);
Cache.TryAdd(Entity.GetType().FullName, result);
return result;
}
private void WriteColumns()
{
foreach (var property in Properties)
{
CreateParameter(property);
Write($"{ColumnName(property)}, ");
}
Trim();
}
private void WriteValues()
{
foreach (var property in Properties)
{
if (property.GetCustomAttribute<PrimaryKeyAttribute>() is not null)
continue;
Write($"@{ColumnName(property)}, ");
}
Trim();
}
protected override bool TryGetExisting(out StorageOperation? result)
{
return Cache.TryGetValue(Entity.GetType().FullName, out result);
}
}

@ -1,12 +0,0 @@
using System.ComponentModel.DataAnnotations;
namespace Connected.ServiceModel.Client.Data.Remote;
internal sealed class RemoteTableColumn
{
[Required, MaxLength(128)]
public string Name { get; set; } = default!;
[Required, MaxLength(128)]
public string DataType { get; set; } = default!;
public bool IsPartitionKey { get; set; }
public bool IsPrimaryKey { get; set; }
}

@ -1,112 +0,0 @@
using System.Collections.Immutable;
using System.Text.Json.Nodes;
using Connected.Net;
using Connected.ServiceModel.Client.Net;
using Connected.ServiceModel.Client.Subscription;
namespace Connected.ServiceModel.Client.Data.Remote;
internal sealed class RemoteTableService
{
//TODO:load it from config or environment.
private const string AccessToken = "Temp";
public RemoteTableService(IHttpService http, IConnectedServer server, ISubscriptionService subscription)
{
Http = http;
Server = server;
Subscription = subscription;
}
private IHttpService Http { get; }
private IConnectedServer Server { get; }
private ISubscriptionService Subscription { get; }
private int SubscriptionId { get; set; }
public async Task<JsonArray> Query(string commandText)
{
await Initialize();
var url = await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
if (await Http.Post<JsonArray>($"{url}/query", new QueryTableArgs
{
CommandText = commandText,
AccessToken = AccessToken,
Subscription = SubscriptionId
}) is not JsonArray result)
return new JsonArray();
return result;
}
public async Task<ImmutableList<RemoteTableColumn>> QueryColumns(string tableName)
{
await Initialize();
var url = await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
if (await Http.Post<List<RemoteTableColumn>>($"{url}/queryColumns", new TableSchemaArgs
{
TableName = tableName,
AccessToken = AccessToken,
Subscription = SubscriptionId
}) is not List<RemoteTableColumn> result)
return ImmutableList<RemoteTableColumn>.Empty;
return result.ToImmutableList();
}
public async Task<bool> TableExists(string tableName)
{
await Initialize();
var url = await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
return await Http.Post<bool>($"{url}/tableExists", new TableSchemaArgs
{
TableName = tableName,
AccessToken = AccessToken,
Subscription = SubscriptionId
});
}
public async Task Update(string commandText)
{
await Initialize();
var url = await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
await Http.Post($"{url}/update", new UpdateTableArgs
{
CommandText = commandText,
AccessToken = AccessToken,
Subscription = SubscriptionId
});
}
public async Task CreateTable(string tableName, List<RemoteTableColumn> columns)
{
await Initialize();
var url = await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
await Http.Post($"{url}/createTable", new CreateTableArgs
{
Name = tableName,
Columns = columns,
AccessToken = AccessToken,
Subscription = SubscriptionId
});
}
private async Task Initialize()
{
if (SubscriptionId > 0)
return;
if (await Subscription.Select() is not ISubscription subscription)
throw new NullReferenceException(nameof(ISubscription));
SubscriptionId = subscription.Id;
}
}

@ -1,33 +0,0 @@
using System.ComponentModel.DataAnnotations;
using Connected.Annotations;
namespace Connected.ServiceModel.Client.Data.Remote;
internal class TableArgs : ServiceArgs
{
}
internal sealed class QueryTableArgs : TableArgs
{
[Required]
public string CommandText { get; set; } = default!;
}
internal sealed class TableSchemaArgs : ServiceArgs
{
[Required, MaxLength(128)]
public string TableName { get; set; } = default!;
}
internal sealed class CreateTableArgs : ServiceArgs
{
[Required, MaxLength(128)]
public string Name { get; set; } = default!;
[NonDefault]
public List<RemoteTableColumn> Columns { get; set; }
}
internal sealed class UpdateTableArgs : ServiceArgs
{
[Required]
public string CommandText { get; set; } = default!;
}

@ -1,45 +0,0 @@
using Connected.Data.Schema;
namespace Connected.ServiceModel.Client.Data.Schema;
internal sealed class ExistingSchema : ISchema
{
public ExistingSchema()
{
Columns = new();
}
public List<ISchemaColumn> Columns { get; }
public string? Schema => null;
public string? Name { get; set; }
public string? Type { get; set; }
public bool Ignore { get; set; }
public async Task Load(SchemaExecutionContext context)
{
Name = context.Schema.Name;
Type = context.Schema.Type;
if (!await context.Remote.TableExists(context.Schema.Name))
return;
var columns = await context.Remote.QueryColumns(context.Schema.Name);
foreach (var column in columns)
{
Columns.Add(new SchemaColumn
{
Name = column.Name,
//TODO:populate properties
});
}
}
public bool Equals(ISchema? other)
{
throw new NotImplementedException();
}
}

@ -1,43 +0,0 @@
using System.Data;
using System.Reflection;
using Connected.Data.Schema;
using Connected.Entities.Annotations;
namespace Connected.ServiceModel.Client.Data.Schema;
internal sealed class SchemaColumn : ISchemaColumn
{
public string? Name { get; set; }
public DbType DataType { get; set; }
public bool IsIdentity { get; set; }
public bool IsUnique { get; set; }
public bool IsIndex { get; set; }
public bool IsPrimaryKey { get; set; }
public bool IsVersion { get; set; }
public string? DefaultValue { get; set; }
public int MaxLength { get; set; }
public bool IsNullable { get; set; }
public string? Index { get; set; }
public int Scale { get; set; }
public int Precision { get; set; }
public DateKind DateKind { get; set; }
public BinaryKind BinaryKind { get; set; }
public int DatePrecision { get; set; }
public bool IsPartitionKey { get; set; }
public PropertyInfo Property { get; set; }
}

@ -1,16 +0,0 @@
using Connected.Data.Schema;
using Connected.ServiceModel.Client.Data.Remote;
namespace Connected.ServiceModel.Client.Data.Schema;
internal sealed class SchemaExecutionContext
{
public SchemaExecutionContext(ISchema schema, RemoteTableService remote)
{
Schema = schema;
Remote = remote;
}
public ExistingSchema ExistingSchema { get; set; }
public ISchema Schema { get; }
public RemoteTableService Remote { get; }
}

@ -1,4 +0,0 @@
namespace Connected.ServiceModel.Client.Data.Schema;
internal class SynchronizationCommand
{
}

@ -1,19 +0,0 @@
namespace Connected.ServiceModel.Client.Data.Schema;
internal class SynchronizationQuery<T> : SynchronizationCommand
{
protected SchemaExecutionContext Context { get; private set; }
public async Task<T> Execute(SchemaExecutionContext context)
{
Context = context;
return await OnExecute();
}
protected virtual async Task<T> OnExecute()
{
await Task.CompletedTask;
return default;
}
}

@ -1,17 +0,0 @@
namespace Connected.ServiceModel.Client.Data.Schema;
internal class SynchronizationTransaction : SynchronizationCommand
{
protected SchemaExecutionContext Context { get; private set; }
public async Task Execute(SchemaExecutionContext context)
{
Context = context;
await OnExecute();
}
protected virtual async Task OnExecute()
{
await Task.CompletedTask;
}
}

@ -1,127 +0,0 @@
using Connected.Collections;
using Connected.Interop;
using Connected.ServiceModel.Annotations;
using Connected.ServiceModel.Client.Data.Remote;
namespace Connected.ServiceModel.Client.Data.Schema;
internal sealed class TableCreate : TableTransaction
{
//private const string KeysExceptionMessage = "A ISchemaColumn cannot have a PartitionKeyAttribute and PrimaryKeyAttribute set. Use either PartitionKey or PrimaryKey attribute.";
//private const string NoPartitionKeyMessage = "Schema must have at least one property with PartitionKeyAttribute.";
protected override async Task OnExecute()
{
var columns = new List<RemoteTableColumn>();
Context.Schema.Columns.SortByOrdinal();
foreach (var column in Context.Schema.Columns)
{
columns.Add(new RemoteTableColumn
{
DataType = CreateDataTypeMetaData(column),
IsPartitionKey = column.Property?.FindAttribute<PartitionKeyAttribute>() is not null,
IsPrimaryKey = column.IsPrimaryKey,
Name = column.Name
});
}
await Context.Remote.CreateTable(Context.Schema.Name, columns);
}
//private List<ISchemaColumn> PartitionKeys
//{
// get
// {
// var result = new List<ISchemaColumn>();
// foreach (var column in Context.Schema.Columns)
// {
// if (column.Property?.FindAttribute<PartitionKeyAttribute>() is not null)
// {
// if (column.IsPrimaryKey)
// throw new InvalidOperationException($"{KeysExceptionMessage} ({column.Name})");
// result.Add(column);
// }
// }
// return result;
// }
//}
//private List<ISchemaColumn> PrimaryKeys
//{
// get
// {
// var result = new List<ISchemaColumn>();
// foreach (var column in Context.Schema.Columns)
// {
// if (column.IsPrimaryKey)
// {
// if (column.Property?.FindAttribute<PartitionKeyAttribute>() is not null)
// throw new InvalidOperationException($"{KeysExceptionMessage} ({column.Name})");
// result.Add(column);
// }
// }
// return result;
// }
//}
//private string CommandText
//{
// get
// {
// var partitionKeys = PartitionKeys;
// var primaryKeys = PrimaryKeys;
// if (!partitionKeys.Any())
// throw new InvalidOperationException($"{NoPartitionKeyMessage} ({Context.Schema.Name})");
// var keysCount = partitionKeys.Count + primaryKeys.Count;
// var text = new StringBuilder();
// var name = Temporary ? TemporaryName : Context.Schema.Name;
// text.AppendLine($"CREATE TABLE {name}");
// text.AppendLine("(");
// var comma = string.Empty;
// for (var i = 0; i < Context.Schema.Columns.Count; i++)
// {
// text.AppendLine($"{comma} {CreateColumnCommandText(Context.Schema.Columns[i])}");
// comma = ",";
// }
// text.Append("PRIMARY KEY (");
// if (keysCount > 1)
// text.Append('(');
// for (var i = 0; i < partitionKeys.Count; i++)
// {
// text.Append(partitionKeys[i].Name);
// if (i < partitionKeys.Count - 1)
// text.Append(',');
// }
// if (keysCount > 1)
// text.Append(')');
// for (var i = 0; i < primaryKeys.Count; i++)
// {
// text.Append(primaryKeys[i].Name);
// if (i < primaryKeys.Count - 1)
// text.Append(',');
// }
// text.AppendLine(");");
// return text.ToString();
// }
}

@ -1,8 +0,0 @@
namespace Connected.ServiceModel.Client.Data.Schema;
internal class TableExists : SynchronizationQuery<bool>
{
protected override async Task<bool> OnExecute()
{
return await Context.Remote.TableExists(Context.Schema.Name);
}
}

@ -1,93 +0,0 @@
using Connected.Data.Schema;
namespace Connected.ServiceModel.Client.Data.Schema;
internal sealed class TableSynchronize : TableTransaction
{
private ExistingSchema? _existingSchema;
private bool TableExists { get; set; }
protected override async Task OnExecute()
{
TableExists = await new TableExists().Execute(Context);
if (!TableExists)
{
await new TableCreate().Execute(Context);
return;
}
return;
_existingSchema = new();
await _existingSchema.Load(Context);
Context.ExistingSchema = ExistingSchema;
//TODO: implement alter table
//if (ShouldRecreate)
// await new TableRecreate(ExistingSchema).Execute(Context);
//else if (ShouldAlter)
// await new TableAlter(ExistingSchema).Execute(Context);
}
private bool ShouldAlter => !Context.Schema.Equals(ExistingSchema);
private bool ShouldRecreate => HasIdentityChanged || HasColumnMetadataChanged;
private ExistingSchema? ExistingSchema => _existingSchema;
private bool HasIdentityChanged
{
get
{
foreach (var column in Context.Schema.Columns)
{
if (ExistingSchema.Columns.FirstOrDefault(f => string.Equals(f.Name, column.Name, StringComparison.OrdinalIgnoreCase)) is not ISchemaColumn existing)
return true;
if (existing.IsIdentity != column.IsIdentity)
return true;
}
foreach (var existing in ExistingSchema.Columns)
{
var column = Context.Schema.Columns.FirstOrDefault(f => string.Equals(f.Name, existing.Name, StringComparison.OrdinalIgnoreCase));
if (column is null && existing.IsIdentity)
return true;
else if (column is not null && column.IsIdentity != existing.IsIdentity)
return true;
}
return false;
}
}
private bool HasColumnMetadataChanged
{
get
{
foreach (var existing in ExistingSchema.Columns)
{
if (Context.Schema.Columns.FirstOrDefault(f => string.Equals(f.Name, existing.Name, StringComparison.OrdinalIgnoreCase)) is not ISchemaColumn column)
continue;
if (column.DataType != existing.DataType
|| column.MaxLength != existing.MaxLength
|| column.IsNullable != existing.IsNullable
|| column.IsVersion != existing.IsVersion
|| column.Precision != existing.Precision
|| column.Scale != existing.Scale
|| column.DateKind != existing.DateKind
|| column.BinaryKind != existing.BinaryKind
|| column.DatePrecision != existing.DatePrecision)
return true;
}
return false;
}
}
}

@ -1,51 +0,0 @@
using System.Data;
using System.Text;
using Connected.Data.Schema;
namespace Connected.ServiceModel.Client.Data.Schema;
internal class TableTransaction : SynchronizationTransaction
{
protected static string CreateColumnCommandText(ISchemaColumn column)
{
var builder = new StringBuilder();
builder.AppendFormat($"{column.Name} {CreateDataTypeMetaData(column)} ");
return builder.ToString();
}
protected static string CreateDataTypeMetaData(ISchemaColumn column)
{
return column.DataType switch
{
DbType.AnsiString => "text",
DbType.Binary => "blob",
DbType.Byte => "tinyint",
DbType.Boolean => "boolean",
DbType.Currency => "decimal",
DbType.Date => "timestamp",
DbType.DateTime => "timestamp",
DbType.Decimal => "decimal",
DbType.Double => "double",
DbType.Guid => "uuid",
DbType.Int16 => "smallint",
DbType.Int32 => "int",
DbType.Int64 => "bigint",
DbType.Object => "blob",
DbType.SByte => "smallint",
DbType.Single => "float",
DbType.String => "text",
DbType.Time => "time",
DbType.UInt16 => "int",
DbType.UInt32 => "bigint",
DbType.UInt64 => "float",
DbType.VarNumeric => "decimal",
DbType.AnsiStringFixedLength => "text",
DbType.StringFixedLength => "text",
DbType.Xml => "text",
DbType.DateTime2 => "timestamp",
DbType.DateTimeOffset => "timestamp",
_ => throw new NotSupportedException(),
};
}
}

@ -1,68 +0,0 @@
using Connected.Data.Storage;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal abstract class TableCommand : IStorageCommand
{
protected TableCommand(IStorageOperation operation, IStorageConnection connection)
{
Connection = connection;
Operation = operation;
}
protected bool IsDisposed { get; private set; }
public IStorageOperation Operation { get; }
public IStorageConnection? Connection { get; protected set; }
protected virtual async ValueTask DisposeAsync(bool disposing)
{
if (!IsDisposed)
{
if (disposing)
{
Connection = null;
await OnDisposingAsync();
}
IsDisposed = true;
}
}
protected virtual async ValueTask OnDisposingAsync()
{
await ValueTask.CompletedTask;
}
protected virtual void OnDisposing()
{
}
public async ValueTask DisposeAsync()
{
await DisposeAsync(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!IsDisposed)
{
if (disposing)
{
Connection = null;
OnDisposing();
}
IsDisposed = true;
}
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
}

@ -1,85 +0,0 @@
using System.Data;
using Connected.ServiceModel.Client.Data.Remote;
namespace Connected.ServiceModel.Client.Data;
/// <summary>
/// Represents the REST connection to the TomPIT.connected Table Service.
/// </summary>
internal sealed class TableConnection : IDbConnection
{
public TableConnection(RemoteTableService tables, string connectionString)
{
Tables = tables;
ConnectionString = connectionString;
}
public RemoteTableService Tables { get; }
/// <summary>
/// The connection string (URL) used when performing the requests.
/// </summary>
public string ConnectionString { get; set; }
/// <summary>
/// The request timeout in seconds.
/// </summary>
public int ConnectionTimeout => 120;
/// <summary>
/// The database (partition) on the server to be used.
/// </summary>
public string Database { get; private set; }
/// <summary>
/// The connection state. It's always open since it's a stateless connection.
/// </summary>
public ConnectionState State => ConnectionState.Open;
/// <summary>
/// Starts the new storage transaction.
/// </summary>
/// <returns>A new <see cref="IDbTransaction"/>.</returns>
public IDbTransaction BeginTransaction()
{
return new TableTransaction(this);
}
/// <summary>
/// Starts the new storage transaction.
/// </summary>
/// <param name="il">The isolation level. This property is ignored on this connection since
/// it's always <see cref="IsolationLevel.Snapshot"/>.</param>
/// <returns>A new <see cref="IDbTransaction"/>.</returns>
public IDbTransaction BeginTransaction(IsolationLevel il)
{
return BeginTransaction();
}
/// <summary>
/// The database is actually the Partition on the remote service. Calling this method
/// changes the partition to be used on the remote.
/// </summary>
/// <param name="databaseName">The partition name. It is created if it doesn't exist.</param>
public void ChangeDatabase(string databaseName)
{
Database = databaseName;
}
/// <summary>
/// This method completes the connection by calling <see cref="IDbTransaction.Rollback"/>
/// if <see cref="IDbTransaction.Commit"/> has not been called.
/// </summary>
public void Close()
{
}
public IDbCommand CreateCommand()
{
return new TableDataCommand(Tables);
}
public void Dispose()
{
}
/// <summary>
/// This method doesn't do anything since the connection is stateless any is theoretically
/// always in open state.
/// </summary>
public void Open()
{
}
}

@ -1,64 +0,0 @@
using System.Data;
using Connected.ServiceModel.Client.Data.Remote;
namespace Connected.ServiceModel.Client.Data;
internal sealed class TableDataCommand : IDbCommand
{
public TableDataCommand(RemoteTableService tables)
{
Parameters = new DataParameterCollection();
Tables = tables;
}
public string CommandText { get; set; }
public int CommandTimeout { get; set; }
public CommandType CommandType { get; set; }
public IDbConnection? Connection { get; set; }
public IDataParameterCollection Parameters { get; }
public IDbTransaction? Transaction { get; set; }
public UpdateRowSource UpdatedRowSource { get; set; }
public RemoteTableService Tables { get; }
public void Cancel()
{
}
public IDbDataParameter CreateParameter()
{
return new TableDataParameter();
}
public void Dispose()
{
}
public int ExecuteNonQuery()
{
AsyncUtils.RunSync(() => Tables.Update(CommandText));
return 0;
}
public IDataReader ExecuteReader()
{
return new TableDataReader(AsyncUtils.RunSync(() => Tables.Query(CommandText)));
}
public IDataReader ExecuteReader(CommandBehavior behavior)
{
return new TableDataReader(AsyncUtils.RunSync(() => Tables.Query(CommandText)));
}
public object? ExecuteScalar()
{
throw new NotImplementedException();
}
public void Prepare()
{
throw new NotImplementedException();
}
}

@ -1,62 +0,0 @@
using System.Data;
using Connected.Annotations;
using Connected.Data.Storage;
using Connected.ServiceModel.Client.Data.Remote;
using Microsoft.Data.SqlClient;
namespace Connected.ServiceModel.Client.Data;
[ServiceRegistration(ServiceRegistrationMode.Auto, ServiceRegistrationScope.Transient)]
internal sealed class TableDataConnection : DatabaseConnection
{
public TableDataConnection(RemoteTableService tables, ICancellationContext context) : base(context)
{
Tables = tables;
}
private RemoteTableService Tables { get; }
protected override void SetupParameters(IStorageCommand command, IDbCommand cmd)
{
if (cmd.Parameters.Count > 0)
{
foreach (SqlParameter i in cmd.Parameters)
i.Value = DBNull.Value;
return;
}
if (command.Operation.Parameters is null)
return;
foreach (var i in command.Operation.Parameters)
{
cmd.Parameters.Add(new SqlParameter
{
ParameterName = i.Name,
DbType = i.Type,
Direction = i.Direction
});
}
}
protected override object GetParameterValue(IDbCommand command, string parameterName)
{
if (command is SqlCommand cmd)
return cmd.Parameters[parameterName].Value;
return null;
}
protected override void SetParameterValue(IDbCommand command, string parameterName, object value)
{
if (command is SqlCommand cmd)
cmd.Parameters[parameterName].Value = value;
}
protected override async Task<IDbConnection> OnCreateConnection()
{
await Task.CompletedTask;
return new TableConnection(Tables, ConnectionString);
}
}

@ -1,16 +0,0 @@
using System.Data;
namespace Connected.ServiceModel.Client.Data;
internal class TableDataParameter : IDbDataParameter
{
public byte Precision { get; set; }
public byte Scale { get; set; }
public int Size { get; set; }
public DbType DbType { get; set; }
public ParameterDirection Direction { get; set; }
public bool IsNullable { get; set; }
public string ParameterName { get; set; }
public string SourceColumn { get; set; }
public DataRowVersion SourceVersion { get; set; }
public object? Value { get; set; }
}

@ -1,164 +0,0 @@
using System.Data;
using System.Diagnostics.CodeAnalysis;
using System.Text.Json.Nodes;
namespace Connected.ServiceModel.Client.Data;
internal sealed class TableDataReader : IDataReader
{
public TableDataReader(JsonArray items)
{
Items = items;
}
public object this[int i] => throw new NotImplementedException();
public object this[string name] => throw new NotImplementedException();
public int Depth => throw new NotImplementedException();
public bool IsClosed => throw new NotImplementedException();
public int RecordsAffected => throw new NotImplementedException();
public int FieldCount => throw new NotImplementedException();
public JsonArray Items { get; }
public void Close()
{
throw new NotImplementedException();
}
public void Dispose()
{
throw new NotImplementedException();
}
public bool GetBoolean(int i)
{
throw new NotImplementedException();
}
public byte GetByte(int i)
{
throw new NotImplementedException();
}
public long GetBytes(int i, long fieldOffset, byte[]? buffer, int bufferoffset, int length)
{
throw new NotImplementedException();
}
public char GetChar(int i)
{
throw new NotImplementedException();
}
public long GetChars(int i, long fieldoffset, char[]? buffer, int bufferoffset, int length)
{
throw new NotImplementedException();
}
public IDataReader GetData(int i)
{
throw new NotImplementedException();
}
public string GetDataTypeName(int i)
{
throw new NotImplementedException();
}
public DateTime GetDateTime(int i)
{
throw new NotImplementedException();
}
public decimal GetDecimal(int i)
{
throw new NotImplementedException();
}
public double GetDouble(int i)
{
throw new NotImplementedException();
}
[return: DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields | DynamicallyAccessedMemberTypes.PublicProperties)]
public Type GetFieldType(int i)
{
throw new NotImplementedException();
}
public float GetFloat(int i)
{
throw new NotImplementedException();
}
public Guid GetGuid(int i)
{
throw new NotImplementedException();
}
public short GetInt16(int i)
{
throw new NotImplementedException();
}
public int GetInt32(int i)
{
throw new NotImplementedException();
}
public long GetInt64(int i)
{
throw new NotImplementedException();
}
public string GetName(int i)
{
throw new NotImplementedException();
}
public int GetOrdinal(string name)
{
throw new NotImplementedException();
}
public DataTable? GetSchemaTable()
{
throw new NotImplementedException();
}
public string GetString(int i)
{
throw new NotImplementedException();
}
public object GetValue(int i)
{
throw new NotImplementedException();
}
public int GetValues(object[] values)
{
throw new NotImplementedException();
}
public bool IsDBNull(int i)
{
throw new NotImplementedException();
}
public bool NextResult()
{
throw new NotImplementedException();
}
public bool Read()
{
//var items = AsyncUtils.RunSync(() => Service.Query(CommandText));
return false;
}
}

@ -1,74 +0,0 @@
using System.Collections.Immutable;
using System.Data;
using Connected.Data.Storage;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class TableReader<T> : TableCommand, IStorageReader<T>
{
public TableReader(IStorageOperation operation, IStorageConnection connection)
: base(operation, connection)
{
}
public async Task<ImmutableList<T>?> Query()
{
if (Connection is null)
return default;
try
{
var result = await Connection.Query<T>(this);
if (Connection.Behavior == StorageConnectionMode.Isolated)
await Connection.Commit();
return result;
}
finally
{
if (Connection.Behavior == StorageConnectionMode.Isolated)
{
await Connection.Close();
await Connection.DisposeAsync();
Connection = null;
}
}
}
public async Task<T?> Select()
{
try
{
if (Connection is null)
return default;
var result = await Connection.Select<T>(this);
if (Connection.Behavior == StorageConnectionMode.Isolated)
await Connection.Commit();
return result;
}
finally
{
if (Connection.Behavior == StorageConnectionMode.Isolated)
{
await Connection.Close();
await Connection.DisposeAsync();
Connection = null;
}
}
}
public async Task<IDataReader> OpenReader()
{
if (Connection is null)
return default;
return await Connection.OpenReader(this);
}
}

@ -1,55 +0,0 @@
using Connected.Annotations;
using Connected.Data.Schema;
using Connected.Entities.Annotations;
using Connected.Entities.Storage;
using Connected.Interop;
using Connected.Middleware;
using Connected.ServiceModel.Client.Data.Remote;
using Connected.ServiceModel.Client.Data.Schema;
using Connected.ServiceModel.Client.Net;
using Connected.ServiceModel.Data;
namespace Connected.ServiceModel.Client.Data;
[Priority(2)]
internal sealed class TableSchemaMiddleware : MiddlewareComponent, ISchemaMiddleware
{
public TableSchemaMiddleware(IMiddlewareService middleware, IStorageProvider storage, RemoteTableService remote, IConnectedServer connected)
{
Storage = storage;
Remote = remote;
Connected = connected;
}
private IStorageProvider Storage { get; }
private RemoteTableService Remote { get; }
private IConnectedServer Connected { get; }
public Type ConnectionType => typeof(TableDataConnection);
public string DefaultConnectionString { get; private set; } = default!;
protected override async Task OnInitialize()
{
DefaultConnectionString = await Connected.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.TableStorage });
}
public async Task<bool> IsEntitySupported(Type entityType)
{
await Task.CompletedTask;
/*
* This middleware supports all ITableEntity<> entities.
*/
return entityType.ImplementsInterface(typeof(ITableEntity<>));
}
public async Task Synchronize(Type entity, ISchema schema)
{
await Synchronize(schema, DefaultConnectionString);
}
private async Task Synchronize(ISchema schema, string connectionString)
{
var args = new SchemaExecutionContext(schema, Remote);
if (string.IsNullOrWhiteSpace(schema.Type) || string.Equals(schema.Type, SchemaAttribute.SchemaTypeTable, StringComparison.OrdinalIgnoreCase))
await new TableSynchronize().Execute(args);
}
}

@ -1,114 +0,0 @@
using System.Linq.Expressions;
using System.Reflection;
using Connected.Annotations;
using Connected.Data;
using Connected.Data.Storage;
using Connected.Entities;
using Connected.Entities.Storage;
using Connected.Expressions;
using Connected.Expressions.Evaluation;
using Connected.Expressions.Query;
using Connected.Expressions.Translation;
using Connected.Interop;
using Connected.ServiceModel.Data;
namespace Connected.ServiceModel.Client.Data;
[Priority(2)]
internal class TableStorageProvider : QueryProvider, IStorageExecutor, IStorageMiddleware
{
public TableStorageProvider(IStorageProvider storage)
{
Storage = storage;
}
private IStorageProvider Storage { get; }
protected override object? OnExecute(Expression expression)
{
return CreateExecutionPlan(expression).Compile()(this);
}
private static Expression<Func<IStorageExecutor, object>> CreateExecutionPlan(Expression expression)
{
var lambda = expression as LambdaExpression;
if (lambda is not null)
expression = lambda.Body;
var context = new ExpressionCompilationContext(new CqlLanguage());
var translator = new Translator(context);
var translation = translator.Translate(expression);
var parameters = lambda?.Parameters;
var provider = Resolve(expression, parameters, typeof(IStorage<>));
if (provider is null)
{
var rootQueryable = Resolve(expression, parameters, typeof(IQueryable));
provider = Expression.Property(rootQueryable, typeof(IQueryable).GetTypeInfo().GetDeclaredProperty(nameof(IQueryable.Provider)));
}
return ExecutionBuilder.Build(context, new CqlLinguist(context, CqlLanguage.Default, translator), translation, provider);
}
/// <summary>
/// Find the expression of the specified type, either in the specified expression or parameters.
/// </summary>
private static Expression Resolve(Expression expression, IList<ParameterExpression> parameters, Type type)
{
if (parameters is not null)
{
var found = parameters.FirstOrDefault(p => type.IsAssignableFrom(p.Type));
if (found is not null)
return found;
}
return SubtreeResolver.Resolve(expression, type);
}
public IEnumerable<TResult?> Execute<TResult>(IStorageOperation operation)
where TResult : IEntity
{
var result = Storage.Open<TResult>().Query(new StorageContextArgs(operation));
if (result.IsCompleted)
return result.Result;
var r = result.GetAwaiter().GetResult();
return r;
}
public bool SupportsEntity(Type entityType)
{
return entityType.ImplementsInterface(typeof(ITableEntity<>));
}
public IStorageOperation CreateOperation<TEntity>(TEntity entity)
where TEntity : IEntity
{
var builder = new AggregatedCommandBuilder<TEntity?>();
if (builder.Build(entity) is not StorageOperation operation)
throw new NullReferenceException(nameof(StorageOperation));
return operation;
}
public IStorageReader<TEntity> OpenReader<TEntity>(IStorageOperation operation, IStorageConnection connection)
{
return new TableReader<TEntity>(operation, connection);
}
public IStorageWriter OpenWriter(IStorageOperation operation, IStorageConnection connection)
{
return new TableWriter(operation, connection);
}
public async Task Initialize()
{
await Task.CompletedTask;
}
}

@ -1,59 +0,0 @@
using System.Data;
namespace Connected.ServiceModel.Client.Data;
/// <summary>
/// Defines the transaction on the remote table storage.
/// </summary>
/// <remarks>
/// Connection write operations using this transaction are queued until
/// the <see cref="Commit"/> is called.
/// </remarks>
internal class TableTransaction : IDbTransaction
{
/// <summary>
/// Creates new <see cref="TableTransaction"/> object.
/// </summary>
/// <param name="connection">The storage connection associated with the transaction.</param>
public TableTransaction(IDbConnection connection)
{
Connection = connection;
}
/// <summary>
/// The storage connection that created the transaction.
/// </summary>
/// <remarks>
/// Multiple connections can use the transaction, but only one is directly associated with the transaction.
/// </remarks>
public IDbConnection? Connection { get; }
/// <summary>
/// The isolation level of the transaction. It's always <see cref="IsolationLevel.Snapshot"/> on this transaction.
/// </summary>
public IsolationLevel IsolationLevel { get; } = IsolationLevel.Snapshot;
/// <summary>
/// Commits this transaction. This call actually performs a REST call to the remote service.
/// </summary>
/// <exception cref="NotImplementedException"></exception>
public void Commit()
{
throw new NotImplementedException();
}
/// <summary>
/// Disposes the <see cref="TableTransaction"/> object.
/// </summary>
public void Dispose()
{
/*
* Nothing really to do here.
*/
}
/// <summary>
/// Rolls back any changes made in this transaction.
/// </summary>
public void Rollback()
{
/*
* This call doesm't have to do enything since we weren't perform
* any calls to the remote service. We just discard the operations.
*/
}
}

@ -1,38 +0,0 @@
using Connected.Data.Storage;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class TableWriter : TableCommand, IStorageWriter
{
public TableWriter(IStorageOperation operation, IStorageConnection connection)
: base(operation, connection)
{
}
public async Task<int> Execute()
{
if (Connection is null)
return -1;
try
{
var recordsAffected = await Connection.Execute(this);
if (Connection.Behavior == StorageConnectionMode.Isolated)
await Connection.Commit();
return recordsAffected;
}
finally
{
if (Connection.Behavior == StorageConnectionMode.Isolated)
{
await Connection.Close();
await Connection.DisposeAsync();
Connection = null;
}
}
}
}

@ -1,77 +0,0 @@
using System.Collections.Concurrent;
using System.Reflection;
using Connected.Entities.Annotations;
using Connected.Entities.Storage;
namespace Connected.ServiceModel.Client.Data;
internal sealed class UpdateCommandBuilder : CommandBuilder
{
private static readonly ConcurrentDictionary<string, StorageOperation> _cache;
static UpdateCommandBuilder()
{
_cache = new();
}
private static ConcurrentDictionary<string, StorageOperation> Cache => _cache;
private bool SupportsConcurrency { get; set; }
protected override bool TryGetExisting(out StorageOperation? result)
{
return Cache.TryGetValue(Entity.GetType().FullName, out result);
}
protected override StorageOperation OnBuild()
{
WriteLine($"UPDATE [{Schema.Schema}].[{Schema.Name}] SET");
WriteAssignments();
WriteWhere();
Trim();
Write(';');
var result = new StorageOperation { CommandText = CommandText, Concurrency = SupportsConcurrency ? DataConcurrencyMode.Enabled : DataConcurrencyMode.Disabled };
foreach (var parameter in Parameters)
result.AddParameter(parameter);
Cache.TryAdd(Entity.GetType().FullName, result);
return result;
}
private void WriteAssignments()
{
foreach (var property in Properties)
{
if (property.GetCustomAttribute<PrimaryKeyAttribute>() is not null)
{
WhereProperties.Add(property);
continue;
}
var parameter = CreateParameter(property);
WriteLine($"{ColumnName(property)} = {parameter.Name},");
}
Trim();
}
private void WriteWhere()
{
WriteLine(string.Empty);
for (var i = 0; i < WhereProperties.Count; i++)
{
var property = WhereProperties[i];
var parameter = CreateParameter(property);
if (i == 0)
WriteLine($" WHERE {ColumnName(property)} = {parameter.Name}");
else
WriteLine($" AND {ColumnName(property)} = {parameter.Name}");
}
}
}

@ -1,14 +0,0 @@
{
"$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/main/src/NerdBank.GitVersioning/version.schema.json",
"version": "1.0-prerelease",
"semVer1NumericIdentifierPadding": 4,
"nugetPackageVersion": {
"semVer": 2, // optional. Set to either 1 or 2 to control how the NuGet package version string is generated. Default is 1.
"precision": "build" // optional. Use when you want to use a more or less precise package version than the default major.minor.build.
},
"cloudBuild": {
"buildNumber": {
"enabled": true
}
}
}

@ -1,15 +0,0 @@
using Connected.Annotations;
using Connected.ServiceModel.Storage;
using Microsoft.Extensions.DependencyInjection;
[assembly: MicroService(MicroServiceType.Provider)]
namespace Connected.ServiceModel.Client.Storage;
internal class Bootstrapper : Startup
{
protected override void OnConfigureServices(IServiceCollection services)
{
services.AddScoped(typeof(IStorageService), typeof(StorageService));
}
}

@ -1,46 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
<Title>$(AssemblyName)</Title>
<Authors>Tom PIT ltd</Authors>
<Copyright>2022 Tom PIT ltd</Copyright>
<PackageProjectUrl>https://git.tompit.com/Connected/Info</PackageProjectUrl>
<PackageReadmeFile>README.md</PackageReadmeFile>
<PackageTags>connected;platform;</PackageTags>
<IncludeSymbols>True</IncludeSymbols>
<SymbolPackageFormat>snupkg</SymbolPackageFormat>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<PackageOutputPath>$(OutputPath)</PackageOutputPath>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Connected.ServiceModel" Version="1.0.*-*" />
<PackageReference Include="Connected.Entities" Version="1.0.*-*" />
<PackageReference Include="Connected.Services" Version="1.0.*-*" />
<PackageReference Include="Connected.ServiceModel.Client" Version="1.0.*-*" />
<PackageReference Include="Nerdbank.GitVersioning"
Version="3.5.119"
PrivateAssets="all"
Condition="!Exists('packages.config')" />
</ItemGroup>
<ItemGroup>
<None Include="..\..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>
<Target Name="CopyPackages" AfterTargets="Pack">
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).nupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).snupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
</Target>
</Project>

@ -1,28 +0,0 @@
using Connected.Net;
using Connected.ServiceModel.Client.Net;
using Connected.ServiceModel.Client.Subscription;
using Connected.ServiceModel.Storage;
using Connected.Services;
namespace Connected.ServiceModel.Client.Storage;
internal sealed class DeleteDirectory : ServiceAction<DeleteDirectoryArgs>
{
public DeleteDirectory(ISubscriptionService subscription, IHttpService http, IConnectedServer server, ICancellationContext cancel)
{
Subscription = subscription;
Http = http;
Server = server;
Cancel = cancel;
}
public ISubscriptionService Subscription { get; }
public IHttpService Http { get; }
public IConnectedServer Server { get; }
public ICancellationContext Cancel { get; }
protected override async Task OnInvoke()
{
await Http.Post(await Server.SelectUrl(new ConnectedServerUrlArgs { Kind = ConnectedUrlKind.FileSystem }), Arguments, Cancel.CancellationToken);
}
}

@ -1,57 +0,0 @@
using System.Collections.Immutable;
using Connected.ServiceModel.Storage;
using Connected.Services;
namespace Connected.ServiceModel.Client.Storage;
internal class StorageService : Service, IStorageService
{
public StorageService(IContext context) : base(context)
{
}
public async Task DeleteDirectory(DeleteDirectoryArgs args)
{
await Invoke(GetOperation<DeleteDirectory>(), args);
}
public Task DeleteFile(DeleteFileArgs args)
{
throw new NotImplementedException();
}
public Task InsertDirectory(InsertDirectoryArgs args)
{
throw new NotImplementedException();
}
public Task MoveFile(MoveFileArgs args)
{
throw new NotImplementedException();
}
public Task<ImmutableList<IDirectory>?> QueryDirectories(DirectoryArgs args)
{
throw new NotImplementedException();
}
public Task<ImmutableList<IFile>?> QueryFiles(DirectoryArgs args)
{
throw new NotImplementedException();
}
public Task<byte[]?> SelectFile(FileArgs args)
{
throw new NotImplementedException();
}
public Task UpdateDirectory(UpdateDirectoryArgs args)
{
throw new NotImplementedException();
}
public Task UpdateFile(UpdateFileArgs args)
{
throw new NotImplementedException();
}
}

@ -1,14 +0,0 @@
{
"$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/main/src/NerdBank.GitVersioning/version.schema.json",
"version": "1.0-prerelease",
"semVer1NumericIdentifierPadding": 4,
"nugetPackageVersion": {
"semVer": 2, // optional. Set to either 1 or 2 to control how the NuGet package version string is generated. Default is 1.
"precision": "build" // optional. Use when you want to use a more or less precise package version than the default major.minor.build.
},
"cloudBuild": {
"buildNumber": {
"enabled": true
}
}
}

@ -1,16 +0,0 @@
using Connected.Annotations;
using Connected.ServiceModel.Client.Subscription;
using Microsoft.Extensions.DependencyInjection;
[assembly: MicroService(MicroServiceType.Provider)]
namespace Connected.ServiceModel.Client.Net;
internal class Bootstrapper : Startup
{
protected override void OnConfigureServices(IServiceCollection services)
{
services.AddScoped(typeof(IConnectedServer), typeof(ConnectedServer));
services.AddScoped(typeof(ISubscriptionService), typeof(SubscriptionService));
}
}

@ -1,44 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
<Title>$(AssemblyName)</Title>
<Authors>Tom PIT ltd</Authors>
<Copyright>2022 Tom PIT ltd</Copyright>
<PackageProjectUrl>https://git.tompit.com/Connected/Info</PackageProjectUrl>
<PackageReadmeFile>README.md</PackageReadmeFile>
<PackageTags>connected;platform;</PackageTags>
<IncludeSymbols>True</IncludeSymbols>
<SymbolPackageFormat>snupkg</SymbolPackageFormat>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<PackageOutputPath>$(OutputPath)</PackageOutputPath>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Connected.Entities" Version="1.0.*-*"/>
<PackageReference Include="Connected.Services" Version="1.0.*-*"/>
<PackageReference Include="Nerdbank.GitVersioning"
Version="3.5.119"
PrivateAssets="all"
Condition="!Exists('packages.config')" />
</ItemGroup>
<ItemGroup>
<None Include="..\..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>
<Target Name="CopyPackages" AfterTargets="Pack">
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).nupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
<Copy SourceFiles="$(OutputPath)..\$(PackageId).$(PackageVersion).snupkg" DestinationFolder="$([System.Environment]::GetEnvironmentVariable('LOCAL_NUGET'))" />
</Target>
</Project>

@ -1,15 +0,0 @@
using Connected.Services;
namespace Connected.ServiceModel.Client.Net;
internal class ConnectedServer : Service, IConnectedServer
{
public ConnectedServer(IContext context) : base(context)
{
}
public async Task<string?> SelectUrl(ConnectedServerUrlArgs args)
{
return await Invoke(GetOperation<SelectUrl>(), args);
}
}

@ -1,13 +0,0 @@
namespace Connected.ServiceModel.Client.Net;
public enum ConnectedUrlKind
{
Root = 0,
FileSystem = 1,
TableStorage = 2
}
public sealed class ConnectedServerUrlArgs : Dto
{
public ConnectedUrlKind Kind { get; set; } = ConnectedUrlKind.Root;
}

@ -1,30 +0,0 @@
using Connected.Services;
using Microsoft.Extensions.Configuration;
namespace Connected.ServiceModel.Client.Net;
internal sealed class SelectUrl : ServiceFunction<ConnectedServerUrlArgs, string>
{
private const string Root = "https://connected.tompit.com";
private readonly string? _rootOverride = null;
public SelectUrl(IConfiguration configuration)
{
_rootOverride = configuration?.GetValue<string?>("connectedServicesRootUrl", null);
}
private string RootUrl => string.IsNullOrWhiteSpace(_rootOverride) ? Root : _rootOverride;
protected override async Task<string> OnInvoke()
{
await Task.CompletedTask;
return Arguments.Kind switch
{
ConnectedUrlKind.Root => RootUrl,
ConnectedUrlKind.FileSystem => $"{RootUrl}/services/fileSystem",
ConnectedUrlKind.TableStorage => $"{RootUrl}/services/tables",
_ => throw new NotImplementedException(),
};
}
}

@ -1,6 +0,0 @@
namespace Connected.ServiceModel.Client.Net;
public interface IConnectedServer
{
Task<string?> SelectUrl(ConnectedServerUrlArgs args);
}

@ -1,7 +0,0 @@
using Connected.Data;
namespace Connected.ServiceModel.Client.Subscription;
public interface ISubscription : IPrimaryKey<int>
{
}

@ -1,6 +0,0 @@
namespace Connected.ServiceModel.Client.Subscription;
public interface ISubscriptionService
{
Task<ISubscription?> Select();
}

@ -1,9 +0,0 @@
using Connected.Entities;
using Connected.Entities.Annotations;
namespace Connected.ServiceModel.Client.Subscription;
[Persistence(Persistence = ColumnPersistence.InMemory)]
internal record Subscription : Entity<int>, ISubscription
{
}

@ -1,16 +0,0 @@
using Connected.Services;
namespace Connected.ServiceModel.Client.Subscription;
internal sealed class SelectSubscription : ServiceFunction<IDto, ISubscription?>
{
protected override async Task<ISubscription?> OnInvoke()
{
await Task.CompletedTask;
return new Subscription
{
Id = 1
};
}
}

@ -1,15 +0,0 @@
using Connected.Services;
namespace Connected.ServiceModel.Client.Subscription;
internal class SubscriptionService : Service, ISubscriptionService
{
public SubscriptionService(IContext context) : base(context)
{
}
public async Task<ISubscription?> Select()
{
return await Invoke(GetOperation<SelectSubscription>(), Dto.Empty);
}
}

@ -1,14 +0,0 @@
{
"$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/main/src/NerdBank.GitVersioning/version.schema.json",
"version": "1.0-prerelease",
"semVer1NumericIdentifierPadding": 4,
"nugetPackageVersion": {
"semVer": 2, // optional. Set to either 1 or 2 to control how the NuGet package version string is generated. Default is 1.
"precision": "build" // optional. Use when you want to use a more or less precise package version than the default major.minor.build.
},
"cloudBuild": {
"buildNumber": {
"enabled": true
}
}
}
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