public static IQueryable <T> Intercept <T>(IQueryable <T> underlyingQuery, params ExpressionVisitor[] visitors)
{
Func <Expression, Expression>[] visitFuncs = visitors.Select <ExpressionVisitor, Func <Expression, Expression> >((ExpressionVisitor v) =>
{
ExpressionVisitor expressionVisitor = v;
return(new Func <Expression, Expression>(expressionVisitor.Visit));
}).ToArray <Func <Expression, Expression> >();
return(InterceptingProvider.Intercept <T>(null, underlyingQuery, visitFuncs));
}
public static IQueryable <T> Intercept <T>(ExpressionVisitor afterUnderlyingVisitor, IQueryable <T> underlyingQuery, params ExpressionVisitor[] visitors)
{
Func <Expression, Expression> func;
Func <Expression, Expression>[] visitFuncs = visitors.Select <ExpressionVisitor, Func <Expression, Expression> >((ExpressionVisitor v) =>
{
ExpressionVisitor expressionVisitor = v;
return(new Func <Expression, Expression>(expressionVisitor.Visit));
}).ToArray <Func <Expression, Expression> >();
if (afterUnderlyingVisitor != null)
{
ExpressionVisitor expressionVisitor1 = afterUnderlyingVisitor;
func = new Func <Expression, Expression>(expressionVisitor1.Visit);
}
else
{
func = null;
}
return(InterceptingProvider.Intercept <T>(func, underlyingQuery, visitFuncs));
}
internal InterceptedQuery(InterceptingProvider provider, Expression expression)
{
this._provider = provider;
this.Expression = expression;
}
public static IQueryable <T> Intercept <T>(Func <Expression, Expression> afterUnderlyingVisitor, IQueryable <T> underlyingQuery, params Func <Expression, Expression>[] visitors)
{
InterceptingProvider provider = new InterceptingProvider(afterUnderlyingVisitor, underlyingQuery.Provider, visitors);
return(provider.CreateQuery <T>(underlyingQuery.Expression));
}