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Reflection and model factory

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This commit is contained in:
Stephan
2017-09-25 12:58:54 +02:00
parent d61ca898c4
commit 91b8f073ad
5 changed files with 742 additions and 49 deletions
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63
src/Umbraco.Core/ExpressionExtensions.cs
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@@ -1,5 +1,4 @@
using System;
using System.Linq;
using System.Linq.Expressions;
namespace Umbraco.Core
@@ -7,22 +6,64 @@ namespace Umbraco.Core
internal static class ExpressionExtensions
{
public static Expression<Func<T, bool>> True<T>() { return f => true; }
public static Expression<Func<T, bool>> False<T>() { return f => false; }
public static Expression<Func<T, bool>> Or<T>(this Expression<Func<T, bool>> left,
Expression<Func<T, bool>> right)
public static Expression<Func<T, bool>> Or<T>(this Expression<Func<T, bool>> left, Expression<Func<T, bool>> right)
{
var invokedExpr = Expression.Invoke(right, left.Parameters.Cast<Expression>());
return Expression.Lambda<Func<T, bool>>
(Expression.OrElse(left.Body, invokedExpr), left.Parameters);
var invokedExpr = Expression.Invoke(right, left.Parameters);
return Expression.Lambda<Func<T, bool>>(Expression.OrElse(left.Body, invokedExpr), left.Parameters);
}
public static Expression<Func<T, bool>> And<T>(this Expression<Func<T, bool>> left,
Expression<Func<T, bool>> right)
public static Expression<Func<T, bool>> And<T>(this Expression<Func<T, bool>> left, Expression<Func<T, bool>> right)
{
var invokedExpr = Expression.Invoke(right, left.Parameters.Cast<Expression>());
return Expression.Lambda<Func<T, bool>>
(Expression.AndAlso(left.Body, invokedExpr), left.Parameters);
var invokedExpr = Expression.Invoke(right, left.Parameters);
return Expression.Lambda<Func<T, bool>> (Expression.AndAlso(left.Body, invokedExpr), left.Parameters);
}
public static Action CompileToDelegate(this Expression<Action> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Action<T1> CompileToDelegate<T1>(this Expression<Action<T1>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Action<T1, T2> CompileToDelegate<T1, T2>(this Expression<Action<T1, T2>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Action<T1, T2, T3> CompileToDelegate<T1, T2, T3>(this Expression<Action<T1, T2, T3>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Func<TResult> CompileToDelegate<TResult>(this Expression<Func<TResult>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Func<T1, TResult> CompileToDelegate<T1, TResult>(this Expression<Func<T1, TResult>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Func<T1, T2, TResult> CompileToDelegate<T1, T2, TResult>(this Expression<Func<T1, T2, TResult>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static Func<T1, T2, T3, TResult> CompileToDelegate<T1, T2, T3, TResult>(this Expression<Func<T1, T2, T3, TResult>> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
public static TMethod CompileToDelegate<TMethod>(this Expression<TMethod> expr)
{
return ReflectionUtilities.CompileToDelegate(expr);
}
}
}