internal Expression ProcessSelectExpansion(Expression rootExpression, MethodCallExpression selectExpression)
{
LambdaExpression operand = (LambdaExpression)((UnaryExpression)selectExpression.Arguments[1]).Operand;
operand = (LambdaExpression)PartialEvaluator.Eval(operand);
List <ResourceProperty> refPropertiesUsed = GetRefPropertiesUsed(operand);
IQueryable <DSResource> source = this.EvaluateByLinqToObjects(selectExpression.Arguments[0]) as IQueryable <DSResource>;
foreach (ResourceProperty property in refPropertiesUsed)
{
ResourceType resourceType = property.ResourceType;
DataServiceQueryProvider.ResultSet associatedInstances = this.GetAssociatedInstances(source, property);
DataServiceQueryProvider.ResultSet set2 = null;
if (this.resultSets.TryGetValue(resourceType.Name, out set2))
{
set2.Concat <DSResource>(associatedInstances);
}
else
{
this.resultSets[resourceType.Name] = associatedInstances;
}
}
MethodCallExpression expression = new DSMethodTranslatingVisitor(this.resultSets).VisitAndConvert <MethodCallExpression>(selectExpression, "ProcessSelectExpansion");
object obj2 = source.Provider.CreateQuery(expression);
var ___Site4 = CallSite <Func <CallSite, Type, MethodCallExpression, object, ExpressionNodeReplacer> > .Create(Microsoft.CSharp.RuntimeBinder.Binder.InvokeConstructor(CSharpBinderFlags.None, typeof(DSLinqQueryProvider), new CSharpArgumentInfo[] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.IsStaticType | CSharpArgumentInfoFlags.UseCompileTimeType, null), CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.UseCompileTimeType, null), CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) }));
return(___Site4.Target(___Site4, typeof(ExpressionNodeReplacer), selectExpression, Expression.Constant((dynamic)obj2)).Visit(rootExpression));
}
internal Expression ProcessWhereWithResourceRoot(Expression rootExpression, MethodCallExpression whereExpression, bool insideNavPropertyWithGetReferenceCmdlet = false)
{
ICommand command;
LambdaExpression operand = (LambdaExpression)((UnaryExpression)whereExpression.Arguments[1]).Operand;
operand = (LambdaExpression)PartialEvaluator.Eval(operand);
ResourceType initialResourceType = this.GetInitialResourceType();
EntityMetadata entityMetadatum = this.schema.EntityMetadataDictionary[initialResourceType.FullName];
if (!insideNavPropertyWithGetReferenceCmdlet)
{
command = DataServiceController.Current.GetCommand(CommandType.Read, this.userContext, initialResourceType, entityMetadatum, this.membershipId);
}
else
{
command = new ReferenceInstanceBuilderCommand(initialResourceType, entityMetadatum);
}
DataServiceQueryProvider.ResultSet resultSet = null;
using (command)
{
operand = this.InvokeFilteredGet(command, initialResourceType, operand, out resultSet);
}
DSMethodTranslatingVisitor dSMethodTranslatingVisitor = new DSMethodTranslatingVisitor(this.resultSets);
operand = dSMethodTranslatingVisitor.VisitAndConvert <LambdaExpression>(operand, "ProcessWhereWithResourceRoot");
Func <DSResource, bool> func = (Func <DSResource, bool>)operand.Compile();
IQueryable <DSResource> dSResources = resultSet.Where <DSResource>((DSResource item) => func(item)).AsQueryable <DSResource>();
ExpressionNodeReplacer expressionNodeReplacer = new ExpressionNodeReplacer(whereExpression, Expression.Constant(dSResources));
Expression expression = expressionNodeReplacer.Visit(rootExpression);
return(expression);
}
internal object EvaluateByLinqToObjects(Expression expression)
{
IQueryable <DSResource> dSResources = this.initialResourceRoot.AsQueryable <DSResource>();
DSMethodTranslatingVisitor dSMethodTranslatingVisitor = new DSMethodTranslatingVisitor(this.resultSets);
expression = dSMethodTranslatingVisitor.Visit(expression);
object obj = null;
var genericTypeDef = expression.Type.GetGenericTypeDefinition();
if (!expression.Type.IsGenericType || !(genericTypeDef == typeof(IQueryable <>)) && !(genericTypeDef == typeof(EnumerableQuery <>)) && !(genericTypeDef.Name == "QueryableEnumerable`1"))
{
obj = dSResources.Provider.Execute(expression);
}
else
{
obj = dSResources.Provider.CreateQuery(expression);
}
return(obj);
}
