public IList <IObjRef> EntityToAllObjRefs(Object entity)
{
if (entity is IEntityMetaDataHolder)
{
return(EntityToAllObjRefs(entity, ((IEntityMetaDataHolder)entity).Get__EntityMetaData()));
}
ILoadContainer lc = (ILoadContainer)entity;
return(EntityToAllObjRefs(entity, EntityMetaDataProvider.GetMetaData(lc.Reference.RealType)));
}
protected void ScanForInitializedObjectsIntern(Object obj, bool isDeepMerge, IList <Object> objects, IMap <Type, IList <Object> > typeToObjectsToMerge,
ISet <Object> alreadyHandledObjectsSet, IList <IObjRef> objRefs, IList <ValueHolderRef> valueHolderKeys)
{
if (obj == null || !alreadyHandledObjectsSet.Add(obj))
{
return;
}
if (obj is IList)
{
IList list = (IList)obj;
for (int a = 0, size = list.Count; a < size; a++)
{
ScanForInitializedObjectsIntern(list[a], isDeepMerge, objects, typeToObjectsToMerge, alreadyHandledObjectsSet, objRefs, valueHolderKeys);
}
return;
}
else if (obj.GetType().IsArray)
{
Array array = (Array)obj;
for (int a = array.Length; a-- > 0;)
{
Object item = array.GetValue(a);
ScanForInitializedObjectsIntern(item, isDeepMerge, objects, typeToObjectsToMerge, alreadyHandledObjectsSet, objRefs, valueHolderKeys);
}
return;
}
else if (obj is IEnumerable && !(obj is String))
{
foreach (Object item in (IEnumerable)obj)
{
ScanForInitializedObjectsIntern(item, isDeepMerge, objects, typeToObjectsToMerge, alreadyHandledObjectsSet, objRefs, valueHolderKeys);
}
return;
}
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(obj.GetType(), true);
if (metaData == null)
{
return;
}
IObjRef objRef = null;
Object id = metaData.IdMember.GetValue(obj, false);
if (id != null)
{
objRef = ObjRefFactory.CreateObjRef(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null);
objRef.GetType().GetFields(BindingFlags.Instance | BindingFlags.NonPublic);
}
if (!(obj is IDataObject) || ((IDataObject)obj).HasPendingChanges)
{
if (typeToObjectsToMerge != null)
{
IList <Object> objectsToMerge = typeToObjectsToMerge.Get(metaData.EntityType);
if (objectsToMerge == null)
{
objectsToMerge = new List <Object>();
typeToObjectsToMerge.Put(metaData.EntityType, objectsToMerge);
}
objectsToMerge.Add(obj);
}
objects.Add(obj);
objRefs.Add(objRef);
}
if (!isDeepMerge)
{
return;
}
RelationMember[] relationMembers = metaData.RelationMembers;
if (relationMembers.Length == 0)
{
return;
}
IObjRefContainer vhc = (IObjRefContainer)obj;
for (int relationIndex = relationMembers.Length; relationIndex-- > 0;)
{
if (ValueHolderState.INIT != vhc.Get__State(relationIndex))
{
continue;
}
RelationMember relationMember = relationMembers[relationIndex];
Object item = relationMember.GetValue(obj);
if (objRef != null && item != null)
{
ValueHolderRef vhk = new ValueHolderRef(objRef, relationMember, relationIndex);
valueHolderKeys.Add(vhk);
}
ScanForInitializedObjectsIntern(item, isDeepMerge, objects, typeToObjectsToMerge, alreadyHandledObjectsSet, objRefs, valueHolderKeys);
}
}
public virtual ICUDResult MergeDeep(Object obj, MergeHandle handle)
{
ICache cache = handle.Cache;
if (cache == null && CacheFactory != null)
{
cache = CacheFactory.Create(CacheFactoryDirective.NoDCE, false, false, "MergeController.ORIGINAL");
handle.Cache = cache;
}
IMap <Type, IList <Object> > typeToObjectsToMerge = null;
Type[] entityPersistOrder = EntityMetaDataProvider.GetEntityPersistOrder();
if (entityPersistOrder != null && entityPersistOrder.Length > 0)
{
typeToObjectsToMerge = new HashMap <Type, IList <Object> >();
}
List <IObjRef> objRefs = new List <IObjRef>();
List <ValueHolderRef> valueHolderKeys = new List <ValueHolderRef>();
IList <Object> objectsToMerge = ScanForInitializedObjects(obj, handle.IsDeepMerge, typeToObjectsToMerge, objRefs, valueHolderKeys);
IList <Object> eagerlyLoadedOriginals = null;
// Load all requested object originals in one roundtrip
if (objRefs.Count > 0)
{
eagerlyLoadedOriginals = cache.GetObjects(objRefs, CacheDirective.ReturnMisses);
for (int a = eagerlyLoadedOriginals.Count; a-- > 0;)
{
IObjRef existingOri = objRefs[a];
if (eagerlyLoadedOriginals[a] == null && existingOri != null && existingOri.Id != null)
{
// Cache miss for an entity we want to merge. This is an OptimisticLock-State
throw new OptimisticLockException(null, null, existingOri);
}
}
List <IObjRef> objRefsOfVhks = new List <IObjRef>(valueHolderKeys.Count);
for (int a = 0, size = valueHolderKeys.Count; a < size; a++)
{
objRefsOfVhks.Add(valueHolderKeys[a].ObjRef);
}
IList <Object> objectsOfVhks = cache.GetObjects(objRefsOfVhks, CacheDirective.FailEarly | CacheDirective.ReturnMisses);
for (int a = valueHolderKeys.Count; a-- > 0;)
{
IObjRefContainer objectOfVhk = (IObjRefContainer)objectsOfVhks[a];
if (objectOfVhk == null)
{
continue;
}
ValueHolderRef valueHolderRef = valueHolderKeys[a];
if (ValueHolderState.INIT != objectOfVhk.Get__State(valueHolderRef.RelationIndex))
{
DirectValueHolderRef vhcKey = new DirectValueHolderRef(objectOfVhk, valueHolderRef.Member);
handle.PendingValueHolders.Add(vhcKey);
}
}
}
if (typeToObjectsToMerge != null)
{
foreach (Type orderedEntityType in entityPersistOrder)
{
IList <Object> objectsToMergeOfOrderedType = typeToObjectsToMerge.Remove(orderedEntityType);
if (objectsToMergeOfOrderedType == null)
{
continue;
}
MergeDeepStart(objectsToMergeOfOrderedType, handle);
}
foreach (Entry <Type, IList <Object> > entry in typeToObjectsToMerge)
{
IList <Object> objectsToMergeOfUnorderedType = entry.Value;
MergeDeepStart(objectsToMergeOfUnorderedType, handle);
}
}
else if (objectsToMerge.Count > 0)
{
MergeDeepStart(objectsToMerge, handle);
}
return(CUDResultHelper.CreateCUDResult(handle));
}
protected ICUDResult ApplyIntern(ICUDResult cudResult, bool checkBaseState, IncrementalMergeState incrementalState)
{
ICache stateCache = incrementalState.GetStateCache();
IList <IChangeContainer> allChanges = cudResult.AllChanges;
IList <Object> originalRefs = cudResult.GetOriginalRefs();
IList <Object> allObjects = GetAllExistingObjectsFromCache(stateCache, allChanges);
List <Object> hardRefs = new List <Object>();
hardRefs.Add(allObjects); // add list as item intended. adding each item of the source is NOT needed
List <IObjRef> toFetchFromCache = new List <IObjRef>();
List <DirectValueHolderRef> toPrefetch = new List <DirectValueHolderRef>();
List <IBackgroundWorkerDelegate> runnables = new List <IBackgroundWorkerDelegate>();
IEntityFactory entityFactory = this.EntityFactory;
IdentityHashMap <IObjRef, StateEntry> newObjRefToStateEntryMap = new IdentityHashMap <IObjRef, StateEntry>();
IdentityHashMap <IChangeContainer, IChangeContainer> alreadyClonedMap = new IdentityHashMap <IChangeContainer, IChangeContainer>();
List <IChangeContainer> newAllChanges = new List <IChangeContainer>(allChanges.Count);
for (int a = 0, size = allChanges.Count; a < size; a++)
{
IChangeContainer changeContainer = allChanges[a];
Object originalEntity = originalRefs[a];
StateEntry stateEntry = incrementalState.entityToStateMap.Get(originalEntity);
IChangeContainer newChangeContainer;
if (changeContainer is CreateContainer)
{
newChangeContainer = new CreateContainer();
}
else if (changeContainer is UpdateContainer)
{
newChangeContainer = new UpdateContainer();
}
else
{
newChangeContainer = new DeleteContainer();
}
newAllChanges.Add(newChangeContainer);
alreadyClonedMap.Put(changeContainer, newChangeContainer);
if (!(changeContainer is CreateContainer))
{
Object stateCacheEntity2 = allObjects[a];
stateEntry = incrementalState.entityToStateMap.Get(stateCacheEntity2);
if (stateEntry == null)
{
stateEntry = new StateEntry(stateCacheEntity2, changeContainer.Reference, incrementalState.entityToStateMap.Count + 1);
incrementalState.entityToStateMap.Put(stateCacheEntity2, stateEntry);
incrementalState.objRefToStateMap.Put(stateEntry.objRef, stateEntry);
}
// delete & update do not need further handling
continue;
}
Type realType = changeContainer.Reference.RealType;
Object stateCacheEntity;
if (stateEntry == null)
{
stateCacheEntity = entityFactory.CreateEntity(realType);
DirectObjRef directObjRef = new DirectObjRef(realType, stateCacheEntity);
directObjRef.CreateContainerIndex = a;
stateEntry = new StateEntry(stateCacheEntity, directObjRef, incrementalState.entityToStateMap.Count + 1);
incrementalState.entityToStateMap.Put(stateCacheEntity, stateEntry);
incrementalState.objRefToStateMap.Put(stateEntry.objRef, stateEntry);
newObjRefToStateEntryMap.Put(changeContainer.Reference, stateEntry);
}
else
{
stateCacheEntity = stateEntry.entity;
}
allObjects[a] = stateCacheEntity;
}
cloneStateTL.Value = new CloneState(newObjRefToStateEntryMap, incrementalState);
try
{
for (int a = allChanges.Count; a-- > 0;)
{
IChangeContainer changeContainer = allChanges[a];
IObjRefContainer entity = (IObjRefContainer)allObjects[a];
changeContainer = FillClonedChangeContainer(changeContainer, alreadyClonedMap);
IPrimitiveUpdateItem[] puis;
IRelationUpdateItem[] ruis;
if (changeContainer is CreateContainer)
{
CreateContainer createContainer = (CreateContainer)changeContainer;
puis = createContainer.Primitives;
ruis = createContainer.Relations;
}
else if (changeContainer is UpdateContainer)
{
UpdateContainer updateContainer = (UpdateContainer)changeContainer;
puis = updateContainer.Primitives;
ruis = updateContainer.Relations;
}
else
{
((IDataObject)entity).ToBeDeleted = true;
continue;
}
IEntityMetaData metaData = ((IEntityMetaDataHolder)entity).Get__EntityMetaData();
ApplyPrimitiveUpdateItems(entity, puis, metaData);
if (ruis != null)
{
bool isUpdate = changeContainer is UpdateContainer;
foreach (IRelationUpdateItem rui in ruis)
{
ApplyRelationUpdateItem(entity, rui, isUpdate, metaData, toPrefetch, toFetchFromCache, checkBaseState, runnables);
}
}
}
while (toPrefetch.Count > 0 || toFetchFromCache.Count > 0 || runnables.Count > 0)
{
if (toPrefetch.Count > 0)
{
PrefetchHelper.Prefetch(toPrefetch);
toPrefetch.Clear();
}
if (toFetchFromCache.Count > 0)
{
IList <Object> fetchedObjects = stateCache.GetObjects(toFetchFromCache, CacheDirective.None);
hardRefs.Add(fetchedObjects); // add list as item intended. adding each item of the source is NOT needed
toFetchFromCache.Clear();
}
IBackgroundWorkerDelegate[] runnableArray = runnables.ToArray();
runnables.Clear();
foreach (IBackgroundWorkerDelegate runnable in runnableArray)
{
runnable();
}
}
List <Object> newObjects = new List <Object>(allObjects.Count);
List <DirectValueHolderRef> changedRelationRefs = new List <DirectValueHolderRef>();
for (int a = allObjects.Count; a-- > 0;)
{
IChangeContainer newChange = newAllChanges[a];
IRelationUpdateItem[] ruis = null;
Object entity = allObjects[a];
if (newChange is CreateContainer)
{
newObjects.Add(entity);
ruis = ((CreateContainer)newChange).Relations;
}
else if (newChange is UpdateContainer)
{
ruis = ((UpdateContainer)newChange).Relations;
}
if (ruis == null)
{
continue;
}
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(entity.GetType());
foreach (IRelationUpdateItem rui in ruis)
{
Member member = metaData.GetMemberByName(rui.MemberName);
changedRelationRefs.Add(new DirectValueHolderRef((IObjRefContainer)entity, (RelationMember)member));
}
}
if (newObjects.Count > 0)
{
((IWritableCache)stateCache).Put(newObjects);
}
if (changedRelationRefs.Count > 0)
{
PrefetchHelper.Prefetch(changedRelationRefs);
}
return(new CUDResult(newAllChanges, allObjects));
}
finally
{
cloneStateTL.Value = null;
}
}
