public override IsExpressionResult IsExpression(Expression expression, int level, RequestFor requestFlag)
{
if (level != 0)
{
var levelExpression = expression.GetLevelExpression(Builder.MappingSchema, level);
if (levelExpression.NodeType == ExpressionType.MemberAccess)
{
var ma = (MemberExpression)levelExpression;
if (ma.Member.Name == "Key" && ma.Member.DeclaringType == _groupingType)
{
return(ReferenceEquals(levelExpression, expression) ?
_key.IsExpression(null, 0, requestFlag) :
_key.IsExpression(expression, level + 1, requestFlag));
}
}
else if (levelExpression.NodeType == ExpressionType.Call)
{
if (requestFlag == RequestFor.Expression)
{
return(IsExpressionResult.True);
}
}
}
return(IsExpressionResult.False);
}
public override bool IsExpression(Expression expression, int level, RequestFor requestFlag)
{
//switch (requestFlag)
//{
// case RequestFor.Object: return expression == null;
//}
if (level != 0)
{
var levelExpression = expression.GetLevelExpression(level);
if (levelExpression.NodeType == ExpressionType.MemberAccess)
{
var ma = (MemberExpression)levelExpression;
if (ma.Member.Name == "Key" && ma.Member.DeclaringType == _groupingType)
{
return(levelExpression == expression?
_key.IsExpression(null, 0, requestFlag) :
_key.IsExpression(expression, level + 1, requestFlag));
}
//return Sequence.BuildExpression(expression, level);
}
}
return(false);
}
public override IsExpressionResult IsExpression(Expression expression, int level, RequestFor requestFlag)
{
if (level != 0)
{
var levelExpression = expression.GetLevelExpression(level);
if (levelExpression.NodeType == ExpressionType.MemberAccess)
{
var ma = (MemberExpression)levelExpression;
if (ma.Member.Name == "Key" && ma.Member.DeclaringType == _groupingType)
{
return(levelExpression == expression?
_key.IsExpression(null, 0, requestFlag) :
_key.IsExpression(expression, level + 1, requestFlag));
}
}
}
return(IsExpressionResult.False);
}