Connected/Connected.Framework.ServiceModel.Client
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Matija Koželj 2022-12-02 15:09:39 +01:00
parent 52957bf853
commit e6a3794bad
32 changed files with 1983 additions and 0 deletions
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17
Connected.ServiceModel.Client.Data/Connected.ServiceModel.Client.Data.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Framework.ServiceModel\Connected.ServiceModel\Connected.ServiceModel.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Data\Connected.Data.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Entities\Connected.Entities.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Services\Connected.Services.csproj" />
<ProjectReference Include="..\Connected.ServiceModel.Client\Connected.ServiceModel.Client.csproj" />
</ItemGroup>
</Project>

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Connected.ServiceModel.Client.Data/CqlDataType.cs Normal file
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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; }
}

771
Connected.ServiceModel.Client.Data/CqlFormatter.cs Normal file
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using Connected.Expressions;
using Connected.Expressions.Formatters;
using Connected.Expressions.Languages;
using Connected.Interop;
using System.Linq.Expressions;
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;
}
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 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;
}
}

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Connected.ServiceModel.Client.Data/CqlLanguage.cs Normal file
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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)
{
if (name.StartsWith("[") && name.EndsWith("]"))
return name;
else if (name.Contains('.'))
return $"[{string.Join("].[", name.Split(SplitChars, StringSplitOptions.RemoveEmptyEntries))}]";
else
return $"[{name}]";
}
public override Linguist CreateLinguist(ExpressionCompilationContext context, Translator translator)
{
return new CqlLinguist(context, this, translator);
}
}

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Connected.ServiceModel.Client.Data/CqlLinguist.cs Normal file
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using Connected.Expressions;
using Connected.Expressions.Languages;
using Connected.Expressions.Translation;
using Connected.Expressions.Translation.Rewriters;
using System.Linq.Expressions;
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);
}
}

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Connected.ServiceModel.Client.Data/CqlTypeSystem.cs Normal file
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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();
}
}

14
Connected.ServiceModel.Client.Data/DataStartup.cs Normal file
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using Connected.Annotations;
using Microsoft.Extensions.DependencyInjection;
[assembly: MicroService(MicroServiceType.Provider)]
namespace Connected.ServiceModel.Client.Data;
internal sealed class DataStartup : Startup
{
protected override void OnConfigureServices(IServiceCollection services)
{
services.AddScoped<RemoteTableService>();
}
}

13
Connected.ServiceModel.Client.Data/RemoteTableService.cs Normal file
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using Connected.Net;
namespace Connected.ServiceModel.Client.Data;
internal sealed class RemoteTableService
{
public RemoteTableService(IHttpService http)
{
Http = http;
}
private IHttpService Http { get; }
}

68
Connected.ServiceModel.Client.Data/TableCommand.cs Normal file
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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);
}
}

77
Connected.ServiceModel.Client.Data/TableConnection.cs Normal file
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using System.Data;
namespace Connected.ServiceModel.Client.Data;
/// <summary>
/// Represents the REST connection to the TomPIT.connected Table Service.
/// </summary>
internal sealed class TableConnection : IDbConnection
{
/// <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()
{
throw new NotImplementedException();
}
public void Dispose()
{
throw new NotImplementedException();
}
/// <summary>
/// This method doesn't do enything since the connection is stateless any is theoretically
/// always in open state.
/// </summary>
public void Open()
{
}
}

59
Connected.ServiceModel.Client.Data/TableDataConnection.cs Normal file
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using Connected.Annotations;
using Connected.Data.Storage;
using Microsoft.Data.SqlClient;
using System.Data;
namespace Connected.ServiceModel.Client.Data;
[ServiceRegistration(ServiceRegistrationMode.Auto, ServiceRegistrationScope.Transient)]
internal sealed class TableDataConnection : DatabaseConnection
{
public TableDataConnection(ICancellationContext context) : base(context)
{
}
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 SqlConnection(ConnectionString);
}
}

74
Connected.ServiceModel.Client.Data/TableReader.cs Normal file
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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);
}
}

57
Connected.ServiceModel.Client.Data/TableSchemaMiddleware.cs Normal file
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using Connected.Annotations;
using Connected.Data.Schema;
using Connected.Entities.Storage;
using Connected.Middleware;
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, IConnectedServer connected)
{
Storage = storage;
Connected = connected;
}
private IStorageProvider Storage { get; }
public 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.IsAssignableTo(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(Storage, schema, connectionString);
///*
// * Sinchronize schema object first.
// */
//await new SchemaSynchronize().Execute(args);
///*
// * Only tables are supported
// */
//if (string.IsNullOrWhiteSpace(schema.Type) || string.Equals(schema.Type, SchemaAttribute.SchemaTypeTable, StringComparison.OrdinalIgnoreCase))
// await new TableSynchronize().Execute(args);
await Task.CompletedTask;
}
}

114
Connected.ServiceModel.Client.Data/TableStorageProvider.cs Normal file
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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.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.IsAssignableTo(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;
return null;
}
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;
}
}

59
Connected.ServiceModel.Client.Data/TableTransaction.cs Normal file
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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.
*/
}
}

38
Connected.ServiceModel.Client.Data/TableWriter.cs Normal file
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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;
}
}
}
}

15
Connected.ServiceModel.Client.Storage/Bootstrapper.cs Normal file
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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));
}
}

16
Connected.ServiceModel.Client.Storage/Connected.ServiceModel.Client.Storage.csproj Normal file
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@ -0,0 +1,16 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Framework.ServiceModel\Connected.ServiceModel\Connected.ServiceModel.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Entities\Connected.Entities.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Services\Connected.Services.csproj" />
<ProjectReference Include="..\Connected.ServiceModel.Client\Connected.ServiceModel.Client.csproj" />
</ItemGroup>
</Project>

28
Connected.ServiceModel.Client.Storage/StorageOps.cs Normal file
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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);
}
}

57
Connected.ServiceModel.Client.Storage/StorageService.cs Normal file
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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();
}
}

16
Connected.ServiceModel.Client/Bootstrapper.cs Normal file
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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));
}
}

14
Connected.ServiceModel.Client/Connected.ServiceModel.Client.csproj Normal file
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@ -0,0 +1,14 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Framework\Connected.Entities\Connected.Entities.csproj" />
<ProjectReference Include="..\..\Framework\Connected.Services\Connected.Services.csproj" />
</ItemGroup>
</Project>

15
Connected.ServiceModel.Client/Net/ConnectedServer.cs Normal file
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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);
}
}

13
Connected.ServiceModel.Client/Net/ConnectedServerArgs.cs Normal file
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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;
}

20
Connected.ServiceModel.Client/Net/ConnectedServerOps.cs Normal file
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using Connected.Services;
namespace Connected.ServiceModel.Client.Net;
internal sealed class SelectUrl : ServiceFunction<ConnectedServerUrlArgs, string>
{
private const string Root = "https://connected.tompit.com";
protected override async Task<string?> OnInvoke()
{
await Task.CompletedTask;
return Arguments.Kind switch
{
ConnectedUrlKind.Root => Root,
ConnectedUrlKind.FileSystem => $"{Root}/services/fileSystem",
ConnectedUrlKind.TableStorage => $"{Root}/services/tables",
_ => throw new NotImplementedException(),
};
}
}

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

7
Connected.ServiceModel.Client/Subscription/ISubscription.cs Normal file
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using Connected.Data;
namespace Connected.ServiceModel.Client.Subscription;
public interface ISubscription : IPrimaryKey<int>
{
}

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

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

16
Connected.ServiceModel.Client/Subscription/SubscriptionOps.cs Normal file
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@ -0,0 +1,16 @@
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
};
}
}

15
Connected.ServiceModel.Client/Subscription/SubscriptionService.cs Normal file
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@ -0,0 +1,15 @@
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);
}
}

69
Framerwork.ServiceModel.Client.sln Normal file
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@ -0,0 +1,69 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.4.33027.239
MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Dependencies", "Dependencies", "{CF4933B0-B3E2-49C9-8FB3-D3FA3E2DBA3B}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Connected.ServiceModel.Client", "Connected.ServiceModel.Client\Connected.ServiceModel.Client.csproj", "{679249A7-58C5-42D9-A764-4EBDC7DE7F9D}"
EndProject
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