public override void SetInitialized(Object obj, Object value)
{
member.SetValue(obj, value);
}
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);
}
}
protected void ApplyRelationUpdateItem(IObjRefContainer entity, IRelationUpdateItem rui, bool isUpdate,
IEntityMetaData metaData, IList <DirectValueHolderRef> toPrefetch, List <IObjRef> toFetchFromCache, bool checkBaseState,
IList <IBackgroundWorkerDelegate> runnables)
{
IObjRefHelper objRefHelper = this.ObjRefHelper;
String memberName = rui.MemberName;
int relationIndex = metaData.GetIndexByRelationName(memberName);
RelationMember relationMember = metaData.RelationMembers[relationIndex];
IObjRef[] existingORIs;
if (entity.Is__Initialized(relationIndex))
{
existingORIs = ListUtil.ToArray(ObjRefHelper.ExtractObjRefList(relationMember.GetValue(entity), null));
}
else
{
existingORIs = entity.Get__ObjRefs(relationIndex);
if (existingORIs == null)
{
toPrefetch.Add(new DirectValueHolderRef(entity, relationMember, true));
runnables.Add(new IBackgroundWorkerDelegate(delegate()
{
ApplyRelationUpdateItem(entity, rui, isUpdate, metaData, toPrefetch, toFetchFromCache, checkBaseState, runnables);
}));
return;
}
}
IObjRef[] addedORIs = rui.AddedORIs;
IObjRef[] removedORIs = rui.RemovedORIs;
IObjRef[] newORIs;
if (existingORIs.Length == 0)
{
if (checkBaseState && removedORIs != null)
{
throw new Exception("Removing from empty member");
}
newORIs = addedORIs != null ? (IObjRef[])addedORIs.Clone() : ObjRef.EMPTY_ARRAY;
for (int a = newORIs.Length; a-- > 0;)
{
newORIs[a] = CloneObjRef(newORIs[a], false);
}
}
else
{
// Set to efficiently remove entries
LinkedHashSet <IObjRef> existingORIsSet = new LinkedHashSet <IObjRef>(existingORIs);
if (removedORIs != null)
{
foreach (IObjRef removedORI in removedORIs)
{
IObjRef clonedObjRef = CloneObjRef(removedORI, false);
if (existingORIsSet.Remove(clonedObjRef) || !checkBaseState)
{
continue;
}
throw OptimisticLockUtil.ThrowModified(objRefHelper.EntityToObjRef(entity), null, entity);
}
}
if (addedORIs != null)
{
foreach (IObjRef addedORI in addedORIs)
{
IObjRef clonedObjRef = CloneObjRef(addedORI, false);
if (existingORIsSet.Add(clonedObjRef) || !checkBaseState)
{
continue;
}
throw OptimisticLockUtil.ThrowModified(objRefHelper.EntityToObjRef(entity), null, entity);
}
}
if (existingORIsSet.Count == 0)
{
newORIs = ObjRef.EMPTY_ARRAY;
}
else
{
newORIs = existingORIsSet.ToArray();
}
}
if (!entity.Is__Initialized(relationIndex))
{
entity.Set__ObjRefs(relationIndex, newORIs);
return;
}
toFetchFromCache.AddRange(newORIs);
runnables.Add(new IBackgroundWorkerDelegate(delegate()
{
ICache stateCache = cloneStateTL.Value.incrementalState.GetStateCache();
IList <Object> objects = stateCache.GetObjects(newORIs, CacheDirective.FailEarly);
Object value;
if (relationMember.IsToMany)
{
// To-many relation
Object coll = ListUtil.CreateObservableCollectionOfType(relationMember.RealType, objects.Count);
ListUtil.FillList(coll, objects);
value = coll;
}
else
{
// To-one relation
value = objects.Count > 0 ? objects[0] : null;
}
relationMember.SetValue(entity, value);
}));
}
protected void HandleValueHolderContainer(IValueHolderContainer vhc, RelationMember[] relationMembers, IObjRef[][] relations)
{
ICacheHelper cacheHelper = this.CacheHelper;
ICacheIntern parent = this.Parent;
IProxyHelper proxyHelper = this.ProxyHelper;
for (int relationIndex = relationMembers.Length; relationIndex-- > 0;)
{
RelationMember relationMember = relationMembers[relationIndex];
IObjRef[] relationsOfMember = relations[relationIndex];
if (!CascadeLoadMode.EAGER.Equals(relationMember.CascadeLoadMode))
{
if (ValueHolderState.INIT != vhc.Get__State(relationIndex))
{
// Update ObjRef information within the entity and do nothing else
vhc.Set__ObjRefs(relationIndex, relationsOfMember);
continue;
}
}
// We can safely access to relation if we want to
if (relationsOfMember == null)
{
// Reset value holder state because we do not know the content currently
vhc.Set__Uninitialized(relationIndex, null);
continue;
}
Object relationValue = relationMember.GetValue(vhc);
if (relationsOfMember.Length == 0)
{
if (!relationMember.IsToMany)
{
if (relationValue != null)
{
// Relation has to be flushed
relationMember.SetValue(vhc, null);
}
}
else
{
if (relationValue != null)
{
// Reuse existing collection
ListUtil.ClearList(relationValue);
}
else
{
// We have to create a new empty collection
relationValue = cacheHelper.CreateInstanceOfTargetExpectedType(relationMember.RealType, relationMember.ElementType);
relationMember.SetValue(vhc, relationValue);
}
}
continue;
}
// So we know the new content (which is not empty) and we know that the current content is already initialized
// Now we have to refresh the current content eagerly
// load entities as if we were an "eager valueholder" here
IList <Object> potentialNewItems = parent.GetObjects(new List <IObjRef>(relationsOfMember), this, CacheDirective.None);
if (OverwriteToManyRelations)
{
Object newRelationValue = cacheHelper.ConvertResultListToExpectedType(potentialNewItems, relationMember.RealType,
relationMember.ElementType);
// Set new to-many-relation, even if there has not changed anything in its item content
relationMember.SetValue(vhc, newRelationValue);
continue;
}
IList <Object> relationItems = ListUtil.AnyToList(relationValue);
bool diff = (relationItems.Count != potentialNewItems.Count);
if (!diff)
{
for (int b = potentialNewItems.Count; b-- > 0;)
{
if (!Object.ReferenceEquals(potentialNewItems[b], relationItems[b]))
{
diff = true;
break;
}
}
}
if (!diff)
{
// Nothing to do
continue;
}
if (relationValue != null && relationMember.IsToMany)
{
// Reuse existing collection
ListUtil.ClearAndFillList(relationValue, relationItems);
}
else
{
// We have to create a new empty collection or replace the to-one value
Object newRelationValue = cacheHelper.ConvertResultListToExpectedType(potentialNewItems, relationMember.RealType,
relationMember.ElementType);
relationMember.SetValue(vhc, newRelationValue);
}
}
}
