public override DbExpression Visit(DbNewInstanceExpression expression)
{
Check.NotNull(expression, "expression");
DbExpression result = expression;
var newType = VisitTypeUsage(expression.ResultType);
var newArguments = VisitExpressionList(expression.Arguments);
var unchanged = (ReferenceEquals(expression.ResultType, newType) && ReferenceEquals(expression.Arguments, newArguments));
if (expression.HasRelatedEntityReferences)
{
var newRefs = VisitList(expression.RelatedEntityReferences, VisitRelatedEntityRef);
if (!unchanged
||
!ReferenceEquals(expression.RelatedEntityReferences, newRefs))
{
result = CqtBuilder.CreateNewEntityWithRelationshipsExpression((EntityType)newType.EdmType, newArguments, newRefs);
}
}
else
{
if (!unchanged)
{
result = CqtBuilder.New(newType, newArguments.ToArray());
}
}
NotifyIfChanged(expression, result);
return(result);
}