public void BuildCachePath(Type entityType, String memberToInitialize, CHashSet <AppendableCachePath> cachePaths)
{
Type currentType = entityType;
String requestedMemberName = memberToInitialize;
AppendableCachePath currentCachePath = null;
CHashSet <AppendableCachePath> currentCachePaths = cachePaths;
while (true)
{
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(currentType);
Member widenedMember = metaData.GetWidenedMatchingMember(requestedMemberName);
if (widenedMember == null)
{
throw new ArgumentException("No member found to resolve path " + entityType.FullName + "." + memberToInitialize);
}
String widenedMemberName = widenedMember.Name;
if (widenedMember is PrimitiveMember)
{
if (widenedMemberName.Equals(memberToInitialize))
{
// this member does not need to be prefetched
return;
}
// widened member has been found but not the full path of the requested member name
throw new ArgumentException("No member found to resolve path " + entityType.FullName + "." + memberToInitialize);
}
AppendableCachePath childCachePath = null;
if (currentCachePaths == null)
{
currentCachePaths = new CHashSet <AppendableCachePath>();
currentCachePath.children = currentCachePaths;
}
foreach (AppendableCachePath cachePath in currentCachePaths)
{
if (widenedMemberName.Equals(cachePath.memberName))
{
childCachePath = cachePath;
break;
}
}
if (childCachePath == null)
{
int relationIndex = metaData.GetIndexByRelation(widenedMember);
childCachePath = new AppendableCachePath(widenedMember.ElementType, relationIndex, widenedMemberName);
currentCachePaths.Add(childCachePath);
}
if (widenedMemberName.Equals(requestedMemberName))
{
// we have travered the full path of the requested member name
return;
}
requestedMemberName = requestedMemberName.Substring(widenedMemberName.Length + 1);
currentCachePath = childCachePath;
currentType = currentCachePath.memberType;
currentCachePaths = currentCachePath.children;
}
}