/// <summary>
/// Create a clone with new type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>The new clone.</returns>
internal override ResourceExpression CreateCloneWithNewType(Type type)
{
QueryableResourceExpression clone = this.CreateCloneWithNewTypes(type, TypeSystem.GetElementType(type));
if (this.keyPredicateConjuncts != null && this.keyPredicateConjuncts.Count > 0)
{
clone.SetKeyPredicate(this.keyPredicateConjuncts);
}
clone.keyFilter = this.keyFilter;
clone.sequenceQueryOptions = this.sequenceQueryOptions;
clone.transparentScope = this.transparentScope;
return(clone);
}
/// <summary>
/// Create a clone of the ResourceExpression.
/// </summary>
/// <returns>The new clone.</returns>
internal override ResourceExpression CreateCloneResourceExpression()
{
QueryableResourceExpression clone = this.CreateClone();
if (this.keyPredicateConjuncts != null && this.keyPredicateConjuncts.Count > 0)
{
clone.SetKeyPredicate(this.keyPredicateConjuncts);
}
clone.keyFilter = this.keyFilter;
clone.sequenceQueryOptions = this.sequenceQueryOptions;
clone.transparentScope = this.transparentScope;
return(clone);
}
/// <summary>
/// Cast QueryableResourceExpression to new type without affecting member type
/// </summary>
/// <param name="type">The new expression type</param>
/// <returns>A copy of this with the new types</returns>
internal QueryableResourceExpression CreateCloneForTransparentScope(Type type)
{
// QueryableResourceExpression can always have order information,
// so return them as IOrderedQueryable<> always. Necessary to allow
// OrderBy results that get aliased to a previous expression work
// with ThenBy.
Type elementType = TypeSystem.GetElementType(type);
Debug.Assert(elementType != null, "elementType != null -- otherwise the set isn't going to act like a collection");
Type newType = typeof(IOrderedQueryable <>).MakeGenericType(elementType);
QueryableResourceExpression clone = this.CreateCloneWithNewTypes(newType, this.ResourceType);
if (this.keyPredicateConjuncts != null && this.keyPredicateConjuncts.Count > 0)
{
clone.SetKeyPredicate(this.keyPredicateConjuncts);
}
clone.keyFilter = this.keyFilter;
clone.sequenceQueryOptions = this.sequenceQueryOptions;
clone.transparentScope = this.transparentScope;
return(clone);
}