private void CheckExpandPaths()
{
if (this.expandPathsAsText.Count > 0)
{
if (this.queryExpression == null)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.RequestQueryProcessor_QueryExpandOptionNotApplicable);
}
if (this.description.TargetResourceType.ResourceTypeKind == ResourceTypeKind.Collection)
{
throw DataServiceException.CreateBadRequestError(System.Data.Services.Strings.RequestQueryProcessor_QueryExpandOptionNotApplicable);
}
}
this.expandPaths = new List <ExpandSegmentCollection>(this.expandPathsAsText.Count);
for (int i = this.expandPathsAsText.Count - 1; i >= 0; i--)
{
ExpandSegmentCollection item = this.CheckSingleExpandPath(this.expandPathsAsText[i]);
if (item == null)
{
this.expandPathsAsText.RemoveAt(i);
}
else
{
this.expandPaths.Add(item);
ExpandedProjectionNode rootProjectionNode = this.GetRootProjectionNode();
for (int j = 0; j < item.Count; j++)
{
ExpandSegment segment = item[j];
ExpandedProjectionNode node2 = rootProjectionNode.AddExpandedNode(segment);
this.GetRootProjectionNode().ExpansionOnDerivedTypesSpecified |= rootProjectionNode.HasExpandedPropertyOnDerivedType;
rootProjectionNode = node2;
}
this.GetRootProjectionNode().ExpansionsSpecified = true;
}
}
}