protected void WriteRUI(IRelationUpdateItem rui, IWriter writer, IncrementalMergeState state)
{
if (rui == null)
{
return;
}
IObjRef[] addedORIs = rui.AddedORIs;
IObjRef[] removedORIs = rui.RemovedORIs;
if (addedORIs != null)
{
writer.WriteStartElement(rui.MemberName);
writer.WriteAttribute("add", addedORIs.Length);
writer.WriteStartElementEnd();
WriteObjRefs(addedORIs, writer, state);
writer.WriteCloseElement(rui.MemberName);
}
if (removedORIs != null)
{
writer.WriteStartElement(rui.MemberName);
writer.WriteAttribute("remove", removedORIs.Length);
writer.WriteStartElementEnd();
WriteObjRefs(removedORIs, writer, state);
writer.WriteCloseElement(rui.MemberName);
}
}
protected void WriteObjRefs(IObjRef[] objRefs, IWriter writer, IncrementalMergeState incrementalState)
{
IConversionHelper conversionHelper = ConversionHelper;
IObjRef[] clone = (IObjRef[])objRefs.Clone();
Array.Sort(clone, incrementalState.objRefComparator);
foreach (IObjRef item in clone)
{
writer.WriteStartElement("Entity");
StateEntry stateEntry = incrementalState.objRefToStateMap.Get(item);
if (stateEntry != null)
{
writer.WriteAttribute("idx", stateEntry.index);
writer.WriteEndElement();
continue;
}
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(item.RealType);
writer.WriteAttribute("type", metaData.EntityType.FullName);
PrimitiveMember idMember = metaData.GetIdMemberByIdIndex(item.IdNameIndex);
writer.WriteAttribute(idMember.Name, conversionHelper.ConvertValueToType <String>(item.Id));
if (item.Version != null)
{
writer.WriteAttribute("version", conversionHelper.ConvertValueToType <String>(item.Version));
}
writer.WriteEndElement();
}
}
protected void WriteRUIs(IRelationUpdateItem[] fullRUIs, IWriter writer, IncrementalMergeState state)
{
if (fullRUIs == null)
{
return;
}
foreach (IRelationUpdateItem rui in fullRUIs)
{
WriteRUI(rui, writer, state);
}
}
protected void WriteCUDResult(ICUDResult cudResult, IWriter writer, IncrementalMergeState state)
{
IList <IChangeContainer> allChanges = cudResult.AllChanges;
List <CreateContainer> creates = new List <CreateContainer>();
List <UpdateContainer> updates = new List <UpdateContainer>();
List <DeleteContainer> deletes = new List <DeleteContainer>();
for (int a = allChanges.Count; a-- > 0;)
{
IChangeContainer changeContainer = allChanges[a];
if (changeContainer is CreateContainer)
{
creates.Add((CreateContainer)changeContainer);
}
else if (changeContainer is UpdateContainer)
{
updates.Add((UpdateContainer)changeContainer);
}
else
{
deletes.Add((DeleteContainer)changeContainer);
}
}
creates.Sort(createContainerComparator);
updates.Sort(updateContainerComparator);
deletes.Sort(deleteContainerComparator);
writer.WriteStartElement("CUDResult");
writer.WriteAttribute("size", allChanges.Count);
writer.WriteAttribute("creates", creates.Count);
writer.WriteAttribute("updates", updates.Count);
writer.WriteAttribute("deletes", deletes.Count);
writer.WriteStartElementEnd();
WriteChangeContainers(creates, writer, "Creates", state);
WriteChangeContainers(updates, writer, "Updates", state);
WriteChangeContainers(deletes, writer, "Deletes", state);
writer.WriteCloseElement("CUDResult");
}
protected ICUDResult WhatIfMerged(ICUDResult cudResult, IMethodDescription methodDescription, List <MergeOperation> mergeOperationSequence,
IncrementalMergeState incrementalState)
{
IList <MergeOperation> lastMergeOperationSequence;
while (true)
{
IMap <Type, IList <IChangeContainer> > sortedChanges = BucketSortChanges(cudResult.AllChanges);
lastMergeOperationSequence = CreateMergeOperationSequence(sortedChanges);
ParamHolder <bool> hasAtLeastOneImplicitChange = new ParamHolder <bool>(false);
IList <MergeOperation> fLastMergeOperationSequence = lastMergeOperationSequence;
cudResult = CacheContext.ExecuteWithCache(incrementalState.GetStateCache(), delegate(ICUDResult cudResult2)
{
for (int a = 0, size = fLastMergeOperationSequence.Count; a < size; a++)
{
MergeOperation mergeOperation = fLastMergeOperationSequence[a];
IMergeServiceExtension mergeServiceExtension = mergeOperation.MergeServiceExtension;
ICUDResult explAndImplCudResult = mergeServiceExtension.EvaluateImplicitChanges(cudResult2, incrementalState);
cudResult2 = MergeCudResult(cudResult2, explAndImplCudResult, mergeServiceExtension, hasAtLeastOneImplicitChange,
incrementalState);
}
return(cudResult2);
}, cudResult);
foreach (IMergeListener mergeListener in mergeListeners.GetExtensions())
{
ICUDResult explAndImplCudResult = mergeListener.PreMerge(cudResult, incrementalState.GetStateCache());
cudResult = MergeCudResult(cudResult, explAndImplCudResult, mergeListener, hasAtLeastOneImplicitChange, incrementalState);
}
if (!hasAtLeastOneImplicitChange.Value)
{
break;
}
}
mergeOperationSequence.AddRange(lastMergeOperationSequence);
return(cudResult);
}
protected ICUDResult MergeCudResult(ICUDResult cudResult, ICUDResult explAndImplCudResult, Object implyingHandle,
ParamHolder <Boolean> hasAtLeastOneImplicitChange, IncrementalMergeState state)
{
if (explAndImplCudResult == null || Object.ReferenceEquals(cudResult, explAndImplCudResult))
{
return(cudResult);
}
ICUDResult diffCUDResult = CudResultComparer.DiffCUDResult(cudResult, explAndImplCudResult);
if (diffCUDResult == null)
{
return(cudResult);
}
hasAtLeastOneImplicitChange.Value = true;
CudResultApplier.ApplyCUDResultOnEntitiesOfCache(diffCUDResult, false, state);
if (Log.DebugEnabled)
{
Object currHandle = implyingHandle;
if (currHandle is IProxyTargetAccessor)
{
IInterceptor interceptor = ((IProxyTargetAccessor)currHandle).GetInterceptors()[0];
while (interceptor is CascadedInterceptor)
{
Object target = ((CascadedInterceptor)interceptor).Target;
if (target is IInterceptor)
{
interceptor = ((IInterceptor)target);
continue;
}
currHandle = target;
break;
}
}
if (currHandle == null)
{
currHandle = implyingHandle;
}
if (CudResultPrinter != null)
{
Log.Debug("Incremental merge [" + RuntimeHelpers.GetHashCode(state) + "] (" + currHandle.GetType().Name + "):\n"
+ CudResultPrinter.PrintCUDResult(diffCUDResult, state));
}
else
{
Log.Debug("Incremental merge [" + RuntimeHelpers.GetHashCode(state) + "] (" + currHandle.GetType().Name + "). No Details printable");
}
}
return(explAndImplCudResult);
}
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 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 void WriteChangeContainer(IChangeContainer changeContainer, IWriter writer, IncrementalMergeState incrementalState)
{
IObjRef objRef = changeContainer.Reference;
writer.WriteStartElement("Entity");
writer.WriteAttribute("type", objRef.RealType.FullName);
writer.WriteAttribute("id", ConversionHelper.ConvertValueToType <String>(objRef.Id));
if (objRef.Version != null)
{
writer.WriteAttribute("version", ConversionHelper.ConvertValueToType <String>(objRef.Version));
}
StateEntry stateEntry = incrementalState.objRefToStateMap.Get(objRef);
if (stateEntry == null)
{
throw new Exception();
}
writer.WriteAttribute("idx", stateEntry.index);
if (changeContainer is DeleteContainer)
{
writer.WriteEndElement();
return;
}
ICreateOrUpdateContainer createOrUpdate = (ICreateOrUpdateContainer)changeContainer;
WritePUIs(createOrUpdate.GetFullPUIs(), writer);
WriteRUIs(createOrUpdate.GetFullRUIs(), writer, incrementalState);
writer.WriteCloseElement("Entity");
}
protected void WriteChangeContainers <V>(IList <V> changes, IWriter writer, String elementName, IncrementalMergeState state) where V : IChangeContainer
{
if (changes.Count == 0)
{
return;
}
writer.WriteStartElement(elementName);
writer.WriteStartElementEnd();
for (int a = 0, size = changes.Count; a < size; a++)
{
WriteChangeContainer(changes[a], writer, state);
}
writer.WriteCloseElement(elementName);
}
public CloneState(IdentityHashMap <IObjRef, StateEntry> newObjRefToStateEntryMap,
IncrementalMergeState incrementalState)
{
this.newObjRefToStateEntryMap = newObjRefToStateEntryMap;
this.incrementalState = incrementalState;
}
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;
}
}
