public void ApplyChangesToOriginals(ICUDResult cudResult, IOriCollection oriCollection, ICache cache)
{
if (GuiThreadHelper.IsInGuiThread())
{
ApplyChangesToOriginalsIntern(cudResult, oriCollection, cache);
return;
}
GuiThreadHelper.InvokeInGuiAndWait(new IBackgroundWorkerDelegate(delegate()
{
ApplyChangesToOriginalsIntern(cudResult, oriCollection, cache);
}));
}
protected void ApplyChangesToOriginalsIntern(ICUDResult cudResult, IOriCollection oriCollection, ICache cache)
{
ICacheModification cacheModification = this.CacheModification;
IConversionHelper conversionHelper = this.ConversionHelper;
IEntityMetaDataProvider entityMetaDataProvider = this.EntityMetaDataProvider;
IList <Object> originalRefs = cudResult.GetOriginalRefs();
IList <IObjRef> allChangeORIs = oriCollection.AllChangeORIs;
String[] allChangedBy = oriCollection.AllChangedBy;
long[] allChangedOn = oriCollection.AllChangedOn;
String singleChangedBy = oriCollection.ChangedBy;
long? singleChangedOn = oriCollection.ChangedOn;
bool newInstanceOnCall = CacheProvider.IsNewInstanceOnCall;
IList <Object> validObjects = new List <Object>(originalRefs.Count);
bool oldCacheModificationValue = CacheModification.Active;
CacheModification.Active = true;
try
{
for (int a = originalRefs.Count; a-- > 0;)
{
Object originalRef = originalRefs[a];
IObjRef ori = allChangeORIs[a];
if (originalRef == null)
{
// Object has been deleted by cascade delete contraints on server merge or simply a "not specified" original ref
continue;
}
if (originalRef is IObjRef)
{
continue;
}
long? changedOn = allChangedOn != null ? allChangedOn[a] : singleChangedOn;
String changedBy = allChangedBy != null ? allChangedBy[a] : singleChangedBy;
IEntityMetaData metaData = ((IEntityMetaDataHolder)originalRef).Get__EntityMetaData();
PrimitiveMember versionMember = metaData.VersionMember;
PrimitiveMember keyMember = metaData.IdMember;
PrimitiveMember onMember, byMember;
if (keyMember.GetValue(originalRef, false) == null)
{
onMember = metaData.CreatedOnMember;
byMember = metaData.CreatedByMember;
}
else
{
onMember = metaData.UpdatedOnMember;
byMember = metaData.UpdatedByMember;
}
if (onMember != null && changedOn != null)
{
Object createdOn = ConversionHelper.ConvertValueToType(onMember.ElementType, changedOn);
onMember.SetValue(originalRef, createdOn);
}
if (byMember != null && changedBy != null)
{
Object createdBy = ConversionHelper.ConvertValueToType(byMember.ElementType, changedBy);
byMember.SetValue(originalRef, createdBy);
}
if (ori == null)
{
keyMember.SetValue(originalRef, null);
if (versionMember != null)
{
versionMember.SetValue(originalRef, null);
}
if (originalRef is IDataObject)
{
((IDataObject)originalRef).ToBeUpdated = false;
((IDataObject)originalRef).ToBeDeleted = false;
}
continue; // Object has been deleted directly
}
keyMember.SetValue(originalRef, ConversionHelper.ConvertValueToType(keyMember.RealType, ori.Id));
if (versionMember != null)
{
if (AlwaysUpdateVersionInChangedEntities)
{
versionMember.SetValue(originalRef, ConversionHelper.ConvertValueToType(versionMember.RealType, ori.Version));
}
else
{
// We INTENTIONALLY do NOT set the version and let it on its old value, to force the following DCE to refresh the cached object with 'real' data
// If we set the version here to the ori.getVersion(), the DCE will 'see' a already valid object - but is IS NOT valid
// because it may not contain bi-directional information which can only be resolved by reloading the object from persistence layer
//versionMember.SetValue(originalRef, null);
}
}
if (originalRef is IDataObject)
{
((IDataObject)originalRef).ToBeUpdated = false;
((IDataObject)originalRef).ToBeDeleted = false;
}
validObjects.Add(originalRef);
}
PutInstancesToCurrentCache(validObjects, cache);
}
finally
{
CacheModification.Active = oldCacheModificationValue;
}
}
protected IOriCollection MergeIntern(ICUDResult cudResultOriginal, IMethodDescription methodDescription)
{
IResultingBackgroundWorkerDelegate <IOriCollection> runnable = new IResultingBackgroundWorkerDelegate <IOriCollection>(delegate()
{
IDisposableCache childCache = CacheFactory.CreatePrivileged(CacheFactoryDirective.SubscribeTransactionalDCE, false, false,
"MergeServiceRegistry.STATE");
try
{
IncrementalMergeState state = null;
ICUDResult cudResultOfCache;
if (MergeProcess.IsAddNewlyPersistedEntities() || (Log.DebugEnabled && CudResultPrinter != null))
{
childCache = CacheFactory.CreatePrivileged(CacheFactoryDirective.SubscribeTransactionalDCE, false, false,
"MergeServiceRegistry.STATE");
state = (IncrementalMergeState)CudResultApplier.AcquireNewState(childCache);
cudResultOfCache = CudResultApplier.ApplyCUDResultOnEntitiesOfCache(cudResultOriginal, true, state);
}
else
{
cudResultOfCache = cudResultOriginal;
}
if (Log.DebugEnabled)
{
if (CudResultPrinter != null)
{
Log.Debug("Initial merge [" + RuntimeHelpers.GetHashCode(state) + "]:\n" + CudResultPrinter.PrintCUDResult(cudResultOfCache, state));
}
else
{
Log.Debug("Initial merge [" + RuntimeHelpers.GetHashCode(state) + "]. No Details available");
}
}
List <MergeOperation> mergeOperationSequence = new List <MergeOperation>();
ICUDResult extendedCudResult = WhatIfMerged(cudResultOfCache, methodDescription, mergeOperationSequence, state);
if (Log.DebugEnabled)
{
Log.Debug("Merge finished [" + RuntimeHelpers.GetHashCode(state) + "]");
}
if (MergeSecurityManager != null)
{
SecurityActive.ExecuteWithSecurityDirective(SecurityDirective.ENABLE_ENTITY_CHECK, delegate()
{
MergeSecurityManager.CheckMergeAccess(extendedCudResult, methodDescription);
});
}
List <Object> originalRefsOfCache = new List <Object>(cudResultOfCache.GetOriginalRefs());
List <Object> originalRefsExtended = new List <Object>(extendedCudResult.GetOriginalRefs());
IOriCollection oriCollExtended = Intern(extendedCudResult, methodDescription, mergeOperationSequence, state);
IList <IChangeContainer> allChangesOriginal = cudResultOriginal.AllChanges;
IList <IObjRef> allChangedObjRefsExtended = oriCollExtended.AllChangeORIs;
IObjRef[] allChangedObjRefsResult = new IObjRef[allChangesOriginal.Count];
IdentityHashMap <Object, int?> originalRefOfCacheToIndexMap = new IdentityHashMap <Object, int?>();
for (int a = originalRefsOfCache.Count; a-- > 0;)
{
originalRefOfCacheToIndexMap.Put(originalRefsOfCache[a], a);
}
for (int a = originalRefsExtended.Count; a-- > 0;)
{
int?indexOfCache = originalRefOfCacheToIndexMap.Get(originalRefsExtended[a]);
if (indexOfCache == null)
{
// this is a change implied by a rule or an persistence-implicit change
// we do not know about it in the outer original CUDResult
continue;
}
IObjRef objRefExtended = allChangedObjRefsExtended[a];
IObjRef objRefOriginal = allChangesOriginal[indexOfCache.Value].Reference;
if (objRefExtended == null)
{
// entity has been deleted
objRefOriginal.Id = null;
objRefOriginal.Version = null;
}
else
{
objRefOriginal.Id = objRefExtended.Id;
objRefOriginal.Version = objRefExtended.Version;
}
if (objRefOriginal is IDirectObjRef)
{
((IDirectObjRef)objRefOriginal).Direct = null;
}
allChangedObjRefsResult[indexOfCache.Value] = objRefOriginal;
}
OriCollection oriCollection = new OriCollection(new List <IObjRef>(allChangedObjRefsResult));
return(oriCollection);
}
finally
{
childCache.Dispose();
}
});
if (SecurityActive == null || !SecurityActive.FilterActivated)
{
return(runnable());
}
else
{
return(SecurityActive.ExecuteWithoutFiltering(runnable));
}
}
protected IOriCollection Intern(ICUDResult cudResult, IMethodDescription methodDescription, IList <MergeOperation> mergeOperationSequence,
IncrementalMergeState state)
{
IList <IChangeContainer> allChanges = cudResult.AllChanges;
IList <Object> originalRefs = cudResult.GetOriginalRefs();
IdentityHashMap <IChangeContainer, int> changeToChangeIndexDict = new IdentityHashMap <IChangeContainer, int>();
for (int a = allChanges.Count; a-- > 0;)
{
changeToChangeIndexDict.Put(allChanges[a], a);
}
IObjRef[] objRefs = new IObjRef[allChanges.Count];
long[] allChangedOn = new long[allChanges.Count];
String[] allChangedBy = new String[allChanges.Count];
CHashSet <long> changedOnSet = new CHashSet <long>();
CHashSet <String> changedBySet = new CHashSet <String>();
for (int a = 0, size = mergeOperationSequence.Count; a < size; a++)
{
MergeOperation mergeOperation = mergeOperationSequence[a];
IMergeServiceExtension mergeServiceExtension = mergeOperation.MergeServiceExtension;
IList <IChangeContainer> changesForMergeService = mergeOperation.ChangeContainer;
ICUDResult msCudResult = BuildCUDResult(changesForMergeService, changeToChangeIndexDict, originalRefs);
IOriCollection msOriCollection = mergeServiceExtension.Merge(msCudResult, methodDescription);
MergeController.ApplyChangesToOriginals(msCudResult, msOriCollection, state.GetStateCache());
IList <IObjRef> allChangeORIs = msOriCollection.AllChangeORIs;
long? msDefaultChangedOn = msOriCollection.ChangedOn;
String msDefaultChangedBy = msOriCollection.ChangedBy;
long[] msAllChangedOn = msOriCollection.AllChangedOn;
String[] msAllChangedBy = msOriCollection.AllChangedBy;
for (int b = changesForMergeService.Count; b-- > 0;)
{
int index = changeToChangeIndexDict.Get(changesForMergeService[b]);
objRefs[index] = allChangeORIs[b];
if (msAllChangedOn != null)
{
long msChangedOn = msAllChangedOn[b];
allChangedOn[index] = msChangedOn;
changedOnSet.Add(msChangedOn);
}
else
{
allChangedOn[index] = msDefaultChangedOn.Value;
}
if (msAllChangedBy != null)
{
String msChangedBy = msAllChangedBy[b];
allChangedBy[index] = msChangedBy;
changedBySet.Add(msChangedBy);
}
else
{
allChangedBy[index] = msDefaultChangedBy;
}
}
if (msDefaultChangedOn != null)
{
changedOnSet.Add(msDefaultChangedOn.Value);
}
if (msDefaultChangedBy != null)
{
changedBySet.Add(msDefaultChangedBy);
}
}
OriCollection oriCollection = new OriCollection();
oriCollection.AllChangeORIs = new List <IObjRef>(objRefs);
if (changedBySet.Count == 1)
{
Iterator <String> iter = changedBySet.Iterator();
iter.MoveNext();
oriCollection.ChangedBy = iter.Current;
}
else
{
oriCollection.AllChangedBy = allChangedBy;
}
if (changedOnSet.Count == 1)
{
Iterator <long> iter = changedOnSet.Iterator();
iter.MoveNext();
oriCollection.ChangedOn = iter.Current;
}
else
{
oriCollection.AllChangedOn = allChangedOn;
}
foreach (IMergeListener mergeListener in mergeListeners.GetExtensions())
{
mergeListener.PostMerge(cudResult, objRefs);
}
if (originalRefs != null)
{
// Set each original ref to null in order to suppress a post-processing in a potentially calling IMergeProcess
for (int a = originalRefs.Count; a-- > 0;)
{
originalRefs[a] = null;
}
}
// TODO DCE must be fired HERE <---
return(oriCollection);
}
protected virtual void ProcessCUDResult(Object objectToMerge, ICUDResult cudResult, IList <Object> unpersistedObjectsToDelete,
ProceedWithMergeHook proceedHook, bool addNewEntitiesToCache)
{
if (cudResult.AllChanges.Count > 0 || (unpersistedObjectsToDelete != null && unpersistedObjectsToDelete.Count > 0))
{
if (proceedHook != null)
{
bool proceed = proceedHook.Invoke(cudResult, unpersistedObjectsToDelete);
if (!proceed)
{
return;
}
}
}
if (cudResult.AllChanges.Count == 0)
{
if (Log.InfoEnabled)
{
Log.Info("Service call skipped early because there is nothing to merge");
}
}
else
{
IOriCollection oriColl;
EventDispatcher.EnableEventQueue();
try
{
EventDispatcher.Pause(Cache);
try
{
bool?oldNewlyPersistedEntities = addNewlyPersistedEntitiesTL.Value;
addNewlyPersistedEntitiesTL.Value = addNewEntitiesToCache;
try
{
IResultingBackgroundWorkerDelegate <IOriCollection> runnable = new IResultingBackgroundWorkerDelegate <IOriCollection>(delegate()
{
IOriCollection oriColl2 = MergeService.Merge(cudResult, null);
MergeController.ApplyChangesToOriginals(cudResult, oriColl2, null);
return(oriColl2);
});
if (Transaction == null || Transaction.Active)
{
oriColl = runnable();
}
else
{
oriColl = Transaction.RunInLazyTransaction(runnable);
}
}
finally
{
addNewlyPersistedEntitiesTL.Value = oldNewlyPersistedEntities;
}
}
finally
{
EventDispatcher.Resume(Cache);
}
}
finally
{
EventDispatcher.FlushEventQueue();
}
DataChangeEvent dataChange = DataChangeEvent.Create(-1, -1, -1);
// This is intentionally a remote source
dataChange.IsLocalSource = false;
if (IsNetworkClientMode)
{
IList <IChangeContainer> allChanges = cudResult.AllChanges;
IList <IObjRef> orisInReturn = oriColl.AllChangeORIs;
for (int a = allChanges.Count; a-- > 0;)
{
IChangeContainer changeContainer = allChanges[a];
IObjRef reference = changeContainer.Reference;
IObjRef referenceInReturn = orisInReturn[a];
if (changeContainer is CreateContainer)
{
if (referenceInReturn.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
{
throw new ArgumentException("Implementation error: Only PK references are allowed in events");
}
dataChange.Inserts.Add(new DataChangeEntry(referenceInReturn.RealType, referenceInReturn.IdNameIndex, referenceInReturn.Id, referenceInReturn.Version));
}
else if (changeContainer is UpdateContainer)
{
if (referenceInReturn.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
{
throw new ArgumentException("Implementation error: Only PK references are allowed in events");
}
dataChange.Updates.Add(new DataChangeEntry(referenceInReturn.RealType, referenceInReturn.IdNameIndex, referenceInReturn.Id, referenceInReturn.Version));
}
else if (changeContainer is DeleteContainer)
{
if (reference.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
{
throw new ArgumentException("Implementation error: Only PK references are allowed in events");
}
dataChange.Deletes.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
}
}
//EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
}
}
if (unpersistedObjectsToDelete != null && unpersistedObjectsToDelete.Count > 0)
{
// Create a DCE for all objects without an id but which should be deleted...
// This is the case for newly created objects on client side, which should be
// "cancelled". The DCE notifies all models which contain identity references to the related
// objects to erase their existence in all controls. They are not relevant in the previous
// server merge process
DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, unpersistedObjectsToDelete.Count);
for (int a = unpersistedObjectsToDelete.Count; a-- > 0;)
{
Object unpersistedObject = unpersistedObjectsToDelete[a];
dataChange.Deletes.Add(new DirectDataChangeEntry(unpersistedObject));
}
EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
}
RevertChangesHelper.RevertChanges(objectToMerge);
}
