protected void MergePhase1(Object objectToMerge, Object objectToDelete, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback, bool addNewEntitiesToCache)
{
ICUDResult cudResult;
MergeHandle mergeHandle;
IDisposableCache childCache = CacheFactory.Create(CacheFactoryDirective.NoDCE, false, false, "MergeProcess.ORIGINAL");
try
{
mergeHandle = BeanContext.RegisterBean <MergeHandle>() //
.PropertyValue("Cache", childCache) //
.Finish();
cudResult = MergeController.MergeDeep(objectToMerge, mergeHandle);
mergeHandle.Cache = null;
}
finally
{
childCache.Dispose();
childCache = null;
}
if (GuiThreadHelper.IsInGuiThread())
{
MergePhase2(objectToMerge, objectToDelete, mergeHandle, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
}
else
{
GuiThreadHelper.InvokeInGui(delegate()
{
MergePhase2(objectToMerge, objectToDelete, mergeHandle, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
});
}
}
protected override Object InterceptDeleteIntern(MethodInfo method, Object[] arguments, Attribute annotation,
Boolean?isAsyncBegin)
{
if (arguments == null || (arguments.Length != 1 && arguments.Length != 3))
{
throw new Exception("Arguments currently must be only 1 or 3: " + method.ToString());
}
ProceedWithMergeHook proceedHook = GetProceedHook(arguments);
MergeFinishedCallback finishedCallback = GetFinishedCallback(arguments);
RemoveAttribute remove = (RemoveAttribute)annotation;
if (remove != null)
{
String idName = remove.IdName;
Type entityType = remove.EntityType;
if (idName != null && idName.Length > 0)
{
if (entityType == null)
{
throw new Exception("Annotation invalid: " + remove + " on method " + method.ToString());
}
DeleteById(method, entityType, idName, arguments[0], proceedHook, finishedCallback);
return(null);
}
}
Object argumentToDelete = arguments[0];
MergeProcess.Process(null, argumentToDelete, proceedHook, finishedCallback);
if (!typeof(void).Equals(method.ReturnType))
{
return(argumentToDelete);
}
return(null);
}
public void Process(Object objectToMerge, Object objectToDelete, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback, bool addNewEntitiesToCache)
{
if (GuiThreadHelper.IsInGuiThread())
{
GuiThreadHelper.InvokeOutOfGui(delegate()
{
MergePhase1(objectToMerge, objectToDelete, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
});
}
else
{
MergePhase1(objectToMerge, objectToDelete, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
}
}
public virtual void Execute(Object parameter, INextCommandDelegate commandFinishedCallback)
{
if (parameter == null)
{
if (commandFinishedCallback != null)
{
commandFinishedCallback.Invoke(true);
}
return;
}
IList <Object> businessObjects = ExtractBusinessObjects(parameter);
if (businessObjects.Count < 1)
{
if (commandFinishedCallback != null)
{
commandFinishedCallback.Invoke(true);
}
return;
}
ProceedWithMergeHook proceedWithMergeHook = null;
if (CUDResultPreprocessor != null)
{
proceedWithMergeHook = CUDResultPreprocessor.GetProceedWithMergeHook();
}
MergeFinishedCallback mergeFinishedCallback = new MergeFinishedCallback(delegate(bool success)
{
bool result = success;
if (proceedWithMergeHook != null)
{
if (CUDResultPreprocessor.GetPreprocessSuccess(proceedWithMergeHook) != true)
{
result = false;
}
CUDResultPreprocessor.CleanUp(proceedWithMergeHook);
}
if (commandFinishedCallback != null)
{
commandFinishedCallback.Invoke(result);
}
});
MergeProcess.Process(businessObjects, null, proceedWithMergeHook, mergeFinishedCallback);
}
protected override Object InterceptMergeIntern(MethodInfo method, Object[] arguments, Attribute annotation,
Boolean?isAsyncBegin)
{
if (arguments == null || (arguments.Length != 1 && arguments.Length != 2 && arguments.Length != 3))
{
throw new Exception("Arguments currently must be only 1, 2 or 3: " + method.ToString());
}
Object argumentToMerge = arguments[0];
Object argumentToDelete = GetArgumentToDelete(arguments, method.GetParameters());
ProceedWithMergeHook proceedHook = GetProceedHook(arguments);
MergeFinishedCallback finishedCallback = GetFinishedCallback(arguments);
MergeProcess.Process(argumentToMerge, argumentToDelete, proceedHook, finishedCallback);
if (!typeof(void).Equals(method.ReturnType))
{
return(argumentToMerge);
}
return(null);
}
protected void DeleteById(MethodInfo method, Type entityType, String idName, Object ids, ProceedWithMergeHook proceedHook, MergeFinishedCallback finishedCallback)
{
IEntityMetaData metaData = GetSpecifiedMetaData(method, typeof(RemoveAttribute), entityType);
Member idMember = GetSpecifiedMember(method, typeof(RemoveAttribute), metaData, idName);
sbyte idIndex = metaData.GetIdIndexByMemberName(idName);
Type idType = idMember.RealType;
List <IObjRef> objRefs = new List <IObjRef>();
BuildObjRefs(entityType, idIndex, idType, ids, objRefs);
MergeProcess.Process(null, objRefs, proceedHook, finishedCallback);
}
public void Process(Object objectToMerge, Object objectToDelete, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback)
{
Process(objectToMerge, objectToDelete, proceedHook, mergeFinishedCallback, true);
}
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);
}
protected void MergePhase3(Object objectToMerge, IList <Object> unpersistedObjectsToDelete, ICUDResult cudResult, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback,
bool addNewEntitiesToCache)
{
// Take over callback stored threadlocally from foreign calling thread to current thread
bool success = false;
try
{
ProcessCUDResult(objectToMerge, cudResult, unpersistedObjectsToDelete, proceedHook, addNewEntitiesToCache);
success = true;
}
finally
{
if (mergeFinishedCallback != null)
{
mergeFinishedCallback.Invoke(success);
}
}
}
protected void MergePhase2(Object objectToMerge, Object objectToDelete, MergeHandle mergeHandle, ICUDResult cudResult, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback, bool addNewEntitiesToCache)
{
List <Object> unpersistedObjectsToDelete = new List <Object>();
RemoveUnpersistedDeletedObjectsFromCudResult(cudResult.AllChanges, cudResult.GetOriginalRefs(), unpersistedObjectsToDelete);
if (objectToDelete != null)
{
IList <IObjRef> oriList = OriHelper.ExtractObjRefList(objectToDelete, mergeHandle);
AppendDeleteContainers(objectToDelete, oriList, cudResult.AllChanges, cudResult.GetOriginalRefs(), unpersistedObjectsToDelete);
}
// Store the MergeFinishedCallback from this thread on the stack and set the property null (for following calls):
if (GuiThreadHelper.IsInGuiThread())
{
GuiThreadHelper.InvokeOutOfGui(delegate()
{
MergePhase3(objectToMerge, unpersistedObjectsToDelete, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
});
}
else
{
MergePhase3(objectToMerge, unpersistedObjectsToDelete, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
}
}
