public IQueryable CreateQuery(Expression expression)
{
if (_currentExpression == expression)
{
return(this);
}
Type elementType = TypeHelpers.FindElementType(expression);
Type queryableType = CachingQueryableCache.GetCachingQueryableType(elementType);
return((IQueryable)Activator.CreateInstance(
queryableType,
new object[] { _source, expression, _getQueryFunc }));
}
public object Execute(Expression expression)
{
MethodInfo methodInfo = CachingQueryableCache.GetCachingQueryableExecuteMethodInfo(typeof(T), expression.Type);
return(methodInfo.Invoke(this, new object[] { expression }));
}
IEnumerator IEnumerable.GetEnumerator()
{
MethodInfo methodInfo = CachingQueryableCache.GetCachingQueryableGetEnumeratorMethodInfo(typeof(T));
return((IEnumerator)methodInfo.Invoke(this, null));
}