public IOriCollection Merge(ICUDResult cudResult, IMethodDescription methodDescription)
{
ParamChecker.AssertParamNotNull(cudResult, "cudResult");
long?startTime = startTimeTL.Value;
bool startTimeHasBeenSet = false;
if (!startTime.HasValue)
{
startTime = DateTimeUtil.CurrentTimeMillis();
startTimeTL.Value = startTime;
startTimeHasBeenSet = true;
}
try
{
if (Transaction == null || Transaction.Active)
{
return(MergeIntern(cudResult, methodDescription));
}
return(Transaction.RunInLazyTransaction(delegate()
{
return MergeIntern(cudResult, methodDescription);
}));
}
finally
{
if (startTimeHasBeenSet)
{
startTimeTL.Value = null;
}
}
}
private object CallInSyncContext(IMethodDescription methodDescription, object[] parameters)
{
object result = null;
Exception exception = null;
var resetEvent = new AutoResetEvent(false);
_synchronizationContext.Post(s =>
{
try
{
result = methodDescription.Method.Invoke(Object, parameters);
}
catch (Exception e)
{
exception = e;
}
resetEvent.Set();
}, null);
resetEvent.WaitOne();
if (exception != null)
{
throw exception;
}
return(result);
}
private void CreateMethod(IMethodDescription methodDescription)
{
var returnType = methodDescription.ReturnType.Type;
var method = _typeBuilder.DefineMethod(methodDescription.Name,
MethodAttributes.Public | MethodAttributes.Virtual,
CallingConventions.Standard | CallingConventions.HasThis,
returnType,
methodDescription.Parameters.Select(x => x.ParameterType.Type).ToArray());
var gen = method.GetILGenerator();
if (returnType != typeof(void))
{
if (returnType.IsValueType)
{
var local = gen.DeclareLocal(returnType);
gen.Emit(OpCodes.Ldloca, local);
gen.Emit(OpCodes.Initobj, returnType);
gen.Emit(OpCodes.Ldloc, local);
}
else
{
gen.Emit(OpCodes.Ldnull);
}
}
gen.Emit(OpCodes.Ret);
}
private void CreateMethod(IMethodDescription methodDescription)
{
var method = methodDescription.Method;
var parameters = methodDescription.Parameters;
var methodAttributes = MethodAttributes.Public | MethodAttributes.Virtual;
var methodBuilder = _typeBuilder.DefineMethod(methodDescription.Name,
methodAttributes,
method.ReturnType,
parameters.Select(x => x.ParameterType.Type).ToArray());
var gen = methodBuilder.GetILGenerator();
if (methodDescription.IsAsync)
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, _subject);
for (int i = 0; i < methodDescription.Parameters.Count; ++i)
{
gen.Emit(OpCodes.Ldarg, i + 1);
}
gen.Emit(OpCodes.Callvirt, methodDescription.Method);
}
else
{
ConstructorInfo constructor;
MethodInfo run;
List <FieldInfo> fields;
var lambdaType = CreateLambdaStorageClass(methodDescription,
out fields,
out constructor,
out run);
var lambda = gen.DeclareLocal(lambdaType);
gen.Emit(OpCodes.Newobj, constructor);
gen.Emit(OpCodes.Stloc, lambda);
for (int i = 0; i < methodDescription.Parameters.Count; ++i)
{
gen.Emit(OpCodes.Ldloc, lambda);
gen.Emit(OpCodes.Ldarg, i + 1);
gen.Emit(OpCodes.Stfld, fields[i]);
}
gen.Emit(OpCodes.Ldloc, lambda);
gen.Emit(OpCodes.Ldftn, run);
gen.Emit(OpCodes.Newobj, Methods.ActionIntPtrCtor);
gen.Emit(OpCodes.Call, Methods.TaskFactoryStartNew);
}
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, _timeout);
gen.Emit(OpCodes.Call, Methods.TaskExTimeoutAfter);
gen.Emit(OpCodes.Ret);
_typeBuilder.DefineMethodOverride(methodBuilder, methodDescription.Method);
}
public AsyncStateMachineCompiler(TypeBuilder typeBuilder,
ITypeDescription interfaceDescription,
IMethodDescription methodDescription)
{
_originalMethod = methodDescription.Method;
var taskType = methodDescription.ReturnType.Type;
_taskGetAwaiter = taskType.GetMethod(nameof(Task.GetAwaiter));
_awaiterType = GetAwaiterType(taskType);
_awaiterOnCompleted = _awaiterType.GetMethod(nameof(TaskAwaiter.OnCompleted),
new[] { typeof(Action) });
var taskReturnType = GetTaskReturnType(taskType);
_hasReturnValue = taskReturnType != typeof(void);
if (_hasReturnValue)
{
_taskGetResult = taskType.GetProperty(nameof(Task <int> .Result)).GetMethod;
}
var interfaceType = interfaceDescription.Type;
_taskCompletionSourceType = GetTaskCompletionSourceType(taskType);
_taskCompletionSourceSetResult = _taskCompletionSourceType.GetMethod(nameof(TaskCompletionSource <int> .SetResult));
_taskCompletionSourceSetException = _taskCompletionSourceType.GetMethod(nameof(TaskCompletionSource <int> .SetException),
new [] { typeof(Exception) });
_taskCompletionSourceSetExceptions = _taskCompletionSourceType.GetMethod(nameof(TaskCompletionSource <int> .SetException),
new [] { typeof(IEnumerable <Exception>) });
_taskCompletionSourceGetTask = _taskCompletionSourceType.GetProperty(nameof(TaskCompletionSource <int> .Task))
.GetMethod;
var name = string.Format("{0}_AsyncStateMachine", methodDescription.Name);
_stateMachine = typeBuilder.DefineNestedType(name);
_subject = _stateMachine.DefineField("Subject", taskType, FieldAttributes.Public);
_fallback = _stateMachine.DefineField("Fallback", interfaceType, FieldAttributes.Public);
_subjectTask = _stateMachine.DefineField("_subjectTask", taskType, FieldAttributes.Private);
_fallbackTask = _stateMachine.DefineField("_fallbackTask", taskType, FieldAttributes.Private);
_taskCompletionSource = _stateMachine.DefineField("TaskCompletionSource", _taskCompletionSourceType,
FieldAttributes.Public | FieldAttributes.InitOnly);
_parameters = new List <FieldInfo>(methodDescription.Parameters.Count);
foreach (var parameter in methodDescription.Parameters)
{
var parameterName = string.Format("parameter_{0}", parameter.Name);
var field = _stateMachine.DefineField(parameterName,
parameter.ParameterType.Type,
FieldAttributes.Public);
_parameters.Add(field);
}
}
private static void ThrowIfIncompatible(IMethodDescription expectedDescription, MethodDescription actualDescription)
{
ThrowIfIncompatible(expectedDescription.ReturnParameter, actualDescription.ReturnParameter);
if (expectedDescription.Parameters.Count != actualDescription.Parameters.Length)
{
throw new NotImplementedException($"The remote method has a different amount of parameters: Expected {expectedDescription} but found {actualDescription}");
}
for (int i = 0; i < expectedDescription.Parameters.Count; ++i)
{
var expectedParameter = expectedDescription.Parameters[i];
var actualParameter = actualDescription.Parameters[i];
ThrowIfIncompatible(expectedParameter, actualParameter);
}
}
private bool OperationWithArguments(IMethodDescription methodDescription, object[] invocationArguments)
{
var parameters = methodDescription.Method.GetParameters();
return(parameters.Length == invocationArguments.Length && parameters.Zip(
invocationArguments,
(p, ia) =>
{
if (ia == null)
{
// Check if null can be assigned to the parameter type
var canBeNull = !p.ParameterType.IsValueType ||
Nullable.GetUnderlyingType(p.ParameterType) != null;
return canBeNull;
}
return p.ParameterType.IsInstanceOfType(ia);
}).All(p => p));
}
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);
}
private Type CreateLambdaStorageClass(IMethodDescription methodDescription,
out List <FieldInfo> fields,
out ConstructorInfo constructor,
out MethodInfo run)
{
var name = string.Format("{0}_State", methodDescription.Name);
var lambdaType = _typeBuilder.DefineNestedType(name);
fields = new List <FieldInfo>(methodDescription.Parameters.Count);
foreach (var parameter in methodDescription.Parameters)
{
var field = lambdaType.DefineField(parameter.Name,
parameter.ParameterType.Type,
FieldAttributes.Public);
fields.Add(field);
}
var ctor = lambdaType.DefineConstructor(MethodAttributes.Public,
CallingConventions.Standard | CallingConventions.HasThis,
new Type[0]);
var gen = ctor.GetILGenerator();
gen.Emit(OpCodes.Ret);
constructor = ctor;
var method = lambdaType.DefineMethod("Run",
MethodAttributes.Public,
CallingConventions.Standard | CallingConventions.HasThis,
typeof(void),
new Type[0]);
gen = method.GetILGenerator();
gen.Emit(OpCodes.Ret);
run = method;
return(lambdaType.CreateType());
}
private void CreateMethod(IMethodDescription methodDescription)
{
var method = methodDescription.Method;
var parameters = methodDescription.Parameters;
var methodAttributes = MethodAttributes.Public | MethodAttributes.Virtual;
var methodBuilder = _typeBuilder.DefineMethod(methodDescription.Name,
methodAttributes,
method.ReturnType,
parameters.Select(x => x.ParameterType.Type).ToArray());
var gen = methodBuilder.GetILGenerator();
var exception = gen.DeclareLocal(typeof(Exception));
LocalBuilder returnValue = null;
var hasReturnValue = method.ReturnType != typeof(void);
if (hasReturnValue)
{
returnValue = gen.DeclareLocal(method.ReturnType);
}
gen.BeginExceptionBlock();
if (methodDescription.IsAsync)
{
var compiler = new AsyncStateMachineCompiler(_typeBuilder,
_interfaceDescription,
methodDescription);
compiler.Compile(gen, _subject, _fallback, returnValue);
}
else
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, _subject);
for (var i = 0; i < parameters.Count; ++i)
{
gen.Emit(OpCodes.Ldarg, i + 1);
}
gen.Emit(OpCodes.Callvirt, methodDescription.Method);
if (hasReturnValue)
{
gen.Emit(OpCodes.Stloc, returnValue);
}
}
gen.BeginCatchBlock(typeof(Exception));
gen.Emit(OpCodes.Stloc, exception);
gen.EmitWriteLine(string.Format("Caught exception in {0}", methodDescription.Name));
gen.EmitWriteLine(exception);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, _fallback);
for (var i = 0; i < parameters.Count; ++i)
{
gen.Emit(OpCodes.Ldarg, i + 1);
}
gen.Emit(OpCodes.Callvirt, methodDescription.Method);
if (hasReturnValue)
{
gen.Emit(OpCodes.Stloc, returnValue);
}
gen.EndExceptionBlock();
if (hasReturnValue)
{
gen.Emit(OpCodes.Ldloc, returnValue);
}
gen.Emit(OpCodes.Ret);
_typeBuilder.DefineMethodOverride(methodBuilder, methodDescription.Method);
}
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));
}
}
public IOriCollection Merge(ICUDResult cudResult, IMethodDescription methodDescription)
{
return(null);
}
public IOriCollection Merge(ICUDResult cudResult, IMethodDescription methodDescription)
{
int localDcId;
IDataChange dataChange;
IList <IChangeContainer> allChanges = cudResult.AllChanges;
IList <IObjRef> resultOriList = new List <IObjRef>(allChanges.Count);
String changedBy = "anonymous";
long changedOn;
Lock writeLock = PersistenceMock.GetWriteLock();
writeLock.Lock();
try
{
localDcId = ++dcId;
changedOn = DateTimeUtil.CurrentTimeMillis();
IList <IDataChangeEntry> inserts = new List <IDataChangeEntry>();
IList <IDataChangeEntry> updates = new List <IDataChangeEntry>();
IList <IDataChangeEntry> deletes = new List <IDataChangeEntry>();
for (int a = 0, size = allChanges.Count; a < size; a++)
{
IChangeContainer changeContainer = allChanges[a];
IObjRef reference = changeContainer.Reference;
if (changeContainer is DeleteContainer)
{
PersistenceMock.RemoveObject(reference);
resultOriList.Add(null);
deletes.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
}
else if (changeContainer is UpdateContainer)
{
resultOriList.Add(reference);
reference.Version = ((int)reference.Version) + 1;
PersistenceMock.ChangeObject(reference, ((UpdateContainer)changeContainer).Primitives, ((UpdateContainer)changeContainer).Relations, changedBy, changedOn);
updates.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
}
else if (changeContainer is CreateContainer)
{
Object newId = AcquireIdForEntityType(reference.RealType);
if (newId == null)
{
throw new Exception("Id must be valid");
}
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(reference.RealType);
newId = ConversionHelper.ConvertValueToType(metaData.IdMember.ElementType, newId);
reference.Id = newId;
reference.Version = 1;
((IDirectObjRef)reference).Direct = null;
resultOriList.Add(reference);
PersistenceMock.AddObject(reference, ((CreateContainer)changeContainer).Primitives, ((CreateContainer)changeContainer).Relations, changedBy, changedOn);
inserts.Add(new DataChangeEntry(reference.RealType, ObjRef.PRIMARY_KEY_INDEX, reference.Id, reference.Version));
}
}
OriCollection oriColl = new OriCollection(resultOriList);
oriColl.ChangedBy = changedBy;
oriColl.ChangedOn = changedOn;
MergeController.ApplyChangesToOriginals(cudResult, oriColl, null);
dataChange = new DataChangeEvent(inserts, updates, deletes, DateTimeUtil.ConvertJavaMillisToDateTime(changedOn), false);
}
finally
{
writeLock.Unlock();
}
EventDispatcher.DispatchEvent(dataChange, dataChange.ChangeTime, localDcId);
OriCollection oriCollection = new OriCollection(resultOriList);
oriCollection.ChangedBy = changedBy;
oriCollection.ChangedOn = changedOn;
return(oriCollection);
}
public virtual IOriCollection Merge(ICUDResult cudResult, IMethodDescription methodDescription)
{
return(MergeServiceWCF.Merge((CUDResult)cudResult, (MethodDescription)methodDescription));
}
public void AddOperationDescription(IMethodDescription method)
{
_operations.Add(method);
}
