protected void AddCascadeLoadItem(DirectValueHolderRef vhr, PrefetchPath[] cachePaths, IList <PrefetchCommand> cascadeLoadItems)
{
if (cachePaths != null || !vhr.ObjRefsOnly)
{
PrefetchCommand cascadeLoadItem = new PrefetchCommand(vhr, cachePaths);
cascadeLoadItems.Add(cascadeLoadItem);
}
}
public override bool Equals(object obj)
{
if (Object.ReferenceEquals(this, obj))
{
return(true);
}
if (!(obj is PrefetchCommand))
{
return(false);
}
PrefetchCommand other = (PrefetchCommand)obj;
if (valueHolder is DirectValueHolderRef)
{
// Use equals() of ValueHolderKey
return(valueHolder.Equals(other.valueHolder) && prefetchPaths == other.prefetchPaths);
}
return(Object.ReferenceEquals(valueHolder, other.valueHolder) &&
Object.ReferenceEquals(prefetchPaths, other.prefetchPaths));
}
public IdentityLinkedSet <Member> GetPrioMembers(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
List <PrefetchCommand> pendingPrefetchCommands, MergePrefetchPathsCache mergePrefetchPathsCache)
{
IdentityLinkedSet <Member> key1 = new IdentityLinkedSet <Member>();
PrioMembersKey key = new PrioMembersKey(entityTypeToPrefetchPath, key1);
for (int a = 0, size = pendingPrefetchCommands.Count; a < size; a++)
{
PrefetchCommand prefetchCommand = pendingPrefetchCommands[a];
key1.Add(prefetchCommand.valueHolder.Member);
}
IdentityLinkedSet <Member> prioMembersMap = activeMembersToPrioMembersMap.Get(key);
if (prioMembersMap != null)
{
return(prioMembersMap);
}
prioMembersMap = new IdentityLinkedSet <Member>(0.5f);
Tuple2KeyHashMap <Type, PrefetchPath[], bool?> alreadyVisited = null;
IdentityHashSet <Type> touchedTypesInPriority = null;
if (mergePrefetchPathsCache == null)
{
mergePrefetchPathsCache = new MergePrefetchPathsCache(entityMetaDataProvider);
}
bool prio2Mode = true;
foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
{
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
PrefetchPath[] prefetchPaths = prefetchCommand.prefetchPaths;
RelationMember member = valueHolder.Member;
Type targetEntityType = member.ElementType;
// Merge the root prefetch path with the relative prefetch path
prefetchPaths = mergePrefetchPathsCache.MergePrefetchPaths(targetEntityType, prefetchPaths, entityTypeToPrefetchPath);
IEntityMetaData metaData = valueHolder.Vhc.Get__EntityMetaData();
if (targetEntityType.Equals(metaData.EntityType))
{
// prio1 overrides prio2
if (prio2Mode)
{
prio2Mode = false;
alreadyVisited = null;
prioMembersMap.Clear();
if (touchedTypesInPriority != null)
{
touchedTypesInPriority.Clear();
}
}
prioMembersMap.Add(member);
if (touchedTypesInPriority == null)
{
touchedTypesInPriority = new IdentityHashSet <Type>();
}
touchedTypesInPriority.Add(member.EntityType);
touchedTypesInPriority.Add(targetEntityType);
continue;
}
if (prefetchPaths == null || !prio2Mode)
{
continue;
}
if (alreadyVisited == null)
{
alreadyVisited = new Tuple2KeyHashMap <Type, PrefetchPath[], bool?>();
}
if (IsPrio2Member(metaData, entityMetaDataProvider.GetMetaData(targetEntityType), prefetchPaths, entityTypeToPrefetchPath, alreadyVisited,
mergePrefetchPathsCache))
{
prioMembersMap.Add(member);
if (touchedTypesInPriority == null)
{
touchedTypesInPriority = new IdentityHashSet <Type>();
}
touchedTypesInPriority.Add(member.EntityType);
touchedTypesInPriority.Add(targetEntityType);
}
}
if (prioMembersMap.Count > 0)
{
// check for out-of-order members which have nothing to do (and will never ever have in a transitive manner) with the priorized members
foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
{
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
RelationMember member = valueHolder.Member;
if (prioMembersMap.Contains(member))
{
// already priorized
continue;
}
if (touchedTypesInPriority.Contains(member.EntityType) || touchedTypesInPriority.Contains(member.ElementType))
{
continue;
}
prioMembersMap.Add(member);
}
}
Object writeLock = activeMembersToPrioMembersMap.GetWriteLock();
lock (writeLock)
{
IdentityLinkedSet <Member> existingPrioMembersMap = activeMembersToPrioMembersMap.Get(key);
if (existingPrioMembersMap != null)
{
return(existingPrioMembersMap);
}
activeMembersToPrioMembersMap.Put(key, prioMembersMap);
return(prioMembersMap);
}
}
protected void ProcessPendingOrelsAndObjRefs(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
AlreadyHandledSet alreadyHandledSet, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisLoadedHistory,
IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, bool> > cacheToOrelsToLoad, List <PrefetchCommand> pendingPrefetchCommands,
List <Object> hardRefList)
{
// all relation members where at least one instance of the owning entity type needs a prefetch on this member in the immediate next step
MergePrefetchPathsCache mergePrefetchPathsCache = new MergePrefetchPathsCache(EntityMetaDataProvider);
IdentityLinkedSet <Member> prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);
LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);
while (pendingPrefetchCommands.Count > 0)
{
PrefetchCommand[] currentPrefetchCommands = pendingPrefetchCommands.ToArray();
// Clear the items to be ready for cascaded items in new batch recursion step
pendingPrefetchCommands.Clear();
if (prioMembers.Count > 0)
{
for (int a = 0, size = currentPrefetchCommands.Length; a < size; a++)
{
PrefetchCommand prefetchCommand = currentPrefetchCommands[a];
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
if (!prioMembers.Contains(valueHolder.Member))
{
currentPrefetchCommands[a] = null;
pendingPrefetchCommands.Add(prefetchCommand);
}
}
}
GuiThreadHelper.InvokeInGuiAndWait(delegate()
{
ICacheModification cacheModification = CacheModification;
ValueHolderContainerMixin valueHolderContainerMixin = ValueHolderContainerMixin;
bool oldActive = cacheModification.Active;
if (!oldActive)
{
cacheModification.Active = true;
}
try
{
foreach (PrefetchCommand prefetchCommand in currentPrefetchCommands)
{
if (prefetchCommand == null)
{
continue;
}
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
PrefetchPath[] cachePaths = prefetchCommand.prefetchPaths;
RelationMember member = valueHolder.Member;
// Merge the root prefetch path with the relative prefetch path
cachePaths = mergePrefetchPathsCache.MergePrefetchPaths(member.ElementType, cachePaths, entityTypeToPrefetchPath);
IObjRefContainer vhc = valueHolder.Vhc;
ICacheIntern targetCache;
bool doSetValue = false;
if (valueHolder is IndirectValueHolderRef)
{
IndirectValueHolderRef valueHolderKey = (IndirectValueHolderRef)valueHolder;
targetCache = valueHolderKey.RootCache;
}
else
{
targetCache = ((IValueHolderContainer)vhc).__TargetCache;
doSetValue = true;
}
int relationIndex = vhc.Get__EntityMetaData().GetIndexByRelation(member);
IObjRef[] objRefs = vhc.Get__ObjRefs(relationIndex);
Object obj = valueHolderContainerMixin.GetValue(vhc, relationIndex, member, targetCache, objRefs, CacheDirective.FailEarly);
if (doSetValue && obj != null)
{
member.SetValue(vhc, obj);
}
EnsureInitializedRelationsIntern3(obj, cachePaths, entityTypeToPrefetchPath, cacheToOrisToLoad, cacheToOrelsToLoad, cacheToOrisLoadedHistory,
cacheToOrelsLoadedHistory, alreadyHandledSet, pendingPrefetchCommands);
}
}
finally
{
if (!oldActive)
{
cacheModification.Active = false;
}
}
});
// Remove all oris which have already been tried to load before
if (cacheToOrisToLoad.Count == 0 && cacheToOrelsToLoad.Count == 0 && pendingPrefetchCommands.Count == 0)
{
return;
}
prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);
LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);
}
}
