public virtual void AfterPropertiesSet(IBeanContextFactory beanContextFactory) { ParamChecker.AssertNotNull(RevertChangesHelper, "RevertChangesHelper"); ParamChecker.AssertNotNull(SharedData, "SharedData"); ParamChecker.AssertNotNull(SharedDataHandOnExtendable, "SharedDataHandOnExtendable"); //TODO: inject Uri as bean #if SILVERLIGHT Uri uri = HtmlPage.Document.DocumentUri; #else Uri uri = null; if (uri == null) { throw new NotSupportedException("This code has to be compatible with .NET first"); } #endif ISet <String> allBeanNames = new HashSet <String>(); if (BeansToConsume != null) { allBeanNames.UnionWith(BeansToConsume.Keys); } IDictionary <String, IModelContainer> data = null; if (Token != null) { data = SharedData.Read(Token); } if (data == null) { // Clear token to suppress handsOn in afterStarted() Token = null; data = new Dictionary <String, IModelContainer>(); } IModelMultiContainer <Uri> uriList = (IModelMultiContainer <Uri>)DictionaryExtension.ValueOrDefault(data, SourceUriBeanName); if (uriList != null) { //Url-list is avaliable uriList.Values.Add(uri); } allBeanNames.UnionWith(data.Keys); if (!allBeanNames.Contains(SourceUriBeanName)) { //Url-list is not avaliable beanContextFactory.RegisterBean <ModelMultiContainer <Uri> >(SourceUriBeanName).PropertyValue("Value", uri); } IdentityHashSet <Object> allProvidedBusinessObjects = new IdentityHashSet <Object>(); foreach (String nameInOwnContext in allBeanNames) { //Proecess the input IModelContainer dataContainer = DictionaryExtension.ValueOrDefault(data, nameInOwnContext); if (dataContainer != null) { if (dataContainer is IModelMultiContainer) { IEnumerable businessObjects = ((IModelMultiContainer)dataContainer).ValuesData; if (businessObjects != null) { allProvidedBusinessObjects.AddAll(businessObjects.Cast <object>()); } } else if (dataContainer is IModelSingleContainer) { Object businessObject = ((IModelSingleContainer)dataContainer).ValueData; if (businessObject != null) { allProvidedBusinessObjects.Add(businessObject); } } //By copying only the data, listeners are unregistered //beanContextFactory.registerBean(name, dataContainer.GetType()).propertyValue("Data", dataContainer.Data); beanContextFactory.RegisterExternalBean(nameInOwnContext, dataContainer); continue; } if (!BeansToConsume.ContainsKey(nameInOwnContext)) { continue; } //Process default-beans String aliasToDefaultBean = BeansToConsume[nameInOwnContext]; if (aliasToDefaultBean == null) { //Mandatory parameter was not present in data throw new Exception("The new Screen has not all mandatory information: \"" + nameInOwnContext + "\" is missing."); } if (!nameInOwnContext.Equals(aliasToDefaultBean)) { beanContextFactory.RegisterAlias(nameInOwnContext, aliasToDefaultBean); } } if (allProvidedBusinessObjects.Count > 0) { IRevertChangesSavepoint savepoint = RevertChangesHelper.CreateSavepoint(allProvidedBusinessObjects); beanContextFactory.RegisterExternalBean(savepoint).Autowireable <IRevertChangesSavepoint>(); } }
protected virtual void RevertChangesIntern(IRevertChangesSavepoint savepoint, IList <Object> objectsToRevert, bool globally, RevertChangesFinishedCallback revertChangesFinishedCallback) { // Store the RevertChangesFinishedCallback from this thread on the stack and set the property null (for following calls): if (objectsToRevert == null || objectsToRevert.Count == 0) { if (revertChangesFinishedCallback != null) { revertChangesFinishedCallback.Invoke(true); } return; } if (globally) { GuiThreadHelper.InvokeOutOfGui(delegate() { bool success = false; try { DataChangeEvent dataChange = new DataChangeEvent(); dataChange.IsLocalSource = true; dataChange.Inserts = new List <IDataChangeEntry>(0); dataChange.Updates = new List <IDataChangeEntry>(); dataChange.Deletes = new List <IDataChangeEntry>(); for (int a = objectsToRevert.Count; a-- > 0;) { Object objectToRevert = objectsToRevert[a]; IEntityMetaData metaData = ((IEntityMetaDataHolder)objectToRevert).Get__EntityMetaData(); Object id = metaData.IdMember.GetValue(objectToRevert, false); if (id == null) { dataChange.Deletes.Add(new DirectDataChangeEntry(objectToRevert)); continue; } dataChange.Updates.Add(new DataChangeEntry(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null)); } EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1); success = true; } finally { if (revertChangesFinishedCallback != null) { revertChangesFinishedCallback.Invoke(success); } } }); } else { // Commented the following part from Ambeth 0.130 and use the part from Ambeth 0.129 due to a deadlock in the merge process: //GuiThreadHelper.InvokeOutOfGui(delegate() //{ // bool success1 = false; // try // { // IList<IDataChangeEntry> directObjectDeletes = new List<IDataChangeEntry>(); // IList<Object> initializedObjects = MergeController.ScanForInitializedObjects(objectsToRevert, true, null); // IList<IObjRef> orisToRevert = new List<IObjRef>(); // ISet<Object> persistedObjectsToRevert = new IdentityHashSet<Object>(); // for (int a = initializedObjects.Count; a-- > 0; ) // { // Object objectToRevert = initializedObjects[a]; // IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(objectToRevert.GetType()); // Object id = metaData.IdMember.GetValue(objectToRevert, false); // if (id == null) // { // directObjectDeletes.Add(new DirectDataChangeEntry(objectToRevert)); // continue; // } // persistedObjectsToRevert.Add(objectToRevert); // orisToRevert.Add(new ObjRef(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null)); // } // IList<Object> hardRefsToRootCacheValues = RootCache.GetObjects(orisToRevert, CacheDirective.CacheValueResult | CacheDirective.ReturnMisses); // for (int a = orisToRevert.Count; a-- > 0; ) // { // if (hardRefsToRootCacheValues[a] == null) // { // // Object could not be loaded/retrieved any more. So the ori refers to an invalid object // // We can not revert invalid objects and currently ignore them. They will raise exceptions if they will // // be tried to persist in a merge process any time in the future // orisToRevert.RemoveAt(a); // } // } // // We do nothing with the hardRef-list from the RootCache. It is only necessary to keep track of the instance reference on the stack // // To prohibit GC any potential WeakReferences in the meantime.... // GuiThreadHelper.InvokeInGuiAndWait(delegate() // { // IProcessResumeItem processResumeItem = WaitEventToResume(); // try // { // bool oldCacheModificationValue = CacheModification.IsActive; // CacheModification.IsActive = true; // bool oldFailEarlyModeActive = AbstractCache<Object>.FailEarlyModeActive; // AbstractCache<Object>.FailEarlyModeActive = true; // try // { // IList<IWritableCache> firstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches(); // IList<Object> hardRefsToRootCacheValuesHere = hardRefsToRootCacheValues; // foreach (IWritableCache firstLevelCache in firstLevelCaches) // { // IList<Object> persistedObjectsInThisCache = firstLevelCache.GetObjects(orisToRevert, CacheDirective.FailEarly); // for (int a = persistedObjectsInThisCache.Count; a-- > 0; ) // { // Object persistedObjectInThisCache = persistedObjectsInThisCache[a]; // if (!persistedObjectsToRevert.Contains(persistedObjectInThisCache)) // { // continue; // } // RootCache.ApplyValues(persistedObjectInThisCache, (ICacheIntern)firstLevelCache); // } // } // for (int a = objectsToRevert.Count; a-- > 0; ) // { // Object objectToRevert = objectsToRevert[a]; // if (objectToRevert is IDataObject) // { // // Objects which are specified to be reverted loose their delete flag // ((IDataObject)objectToRevert).ToBeDeleted = false; // } // } // } // finally // { // AbstractCache<Object>.FailEarlyModeActive = oldFailEarlyModeActive; // CacheModification.IsActive = oldCacheModificationValue; // } // } // finally // { // if (processResumeItem != null) // { // processResumeItem.ResumeProcessingFinished(); // processResumeItem = null; // } // } // }); // if (directObjectDeletes.Count > 0) // { // DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, 0); // dataChange.Deletes = directObjectDeletes; // EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1); // } // success1 = true; // } // finally // { // if (revertChangesFinishedCallback != null) // { // revertChangesFinishedCallback.Invoke(success1); // } // } //}); // Here comes the part from Ambeth 0.129: GuiThreadHelper.InvokeOutOfGui(delegate() { bool success1 = false; bool?success2 = null; bool?success3 = null; try { IList <IDataChangeEntry> directObjectDeletes = new List <IDataChangeEntry>(); List <IObjRef> objRefs = new List <IObjRef>(); List <ValueHolderRef> valueHolderKeys = new List <ValueHolderRef>(); IList <Object> initializedObjects = MergeController.ScanForInitializedObjects(objectsToRevert, true, null, objRefs, valueHolderKeys); IList <IObjRef> orisToRevert = new List <IObjRef>(); ISet <Object> persistedObjectsToRevert = new IdentityHashSet <Object>(); for (int a = initializedObjects.Count; a-- > 0;) { Object objectToRevert = initializedObjects[a]; IEntityMetaData metaData = ((IEntityMetaDataHolder)objectToRevert).Get__EntityMetaData(); Object id = metaData.IdMember.GetValue(objectToRevert, false); if (id == null) { directObjectDeletes.Add(new DirectDataChangeEntry(objectToRevert)); continue; } persistedObjectsToRevert.Add(objectToRevert); orisToRevert.Add(new ObjRef(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null)); } IList <Object> hardRefsToRootCacheValues = RootCache.GetObjects(orisToRevert, CacheDirective.CacheValueResult | CacheDirective.ReturnMisses); for (int a = orisToRevert.Count; a-- > 0;) { if (hardRefsToRootCacheValues[a] == null) { // Object could not be loaded/retrieved any more. So the ori refers to an invalid object // We can not revert invalid objects and currently ignore them. They will raise exceptions if they will // be tried to persist in a merge process any time in the future orisToRevert.RemoveAt(a); } } // We do nothing with the hardRef-list from the RootCache. It is only necessary to keep track of the instance reference on the stack // To prohibit GC any potential WeakReferences in the meantime.... success2 = false; GuiThreadHelper.InvokeInGui(delegate(Object state) { WaitEventToResume(delegate(IProcessResumeItem processResumeItem) { try { bool oldCacheModificationValue = CacheModification.Active; CacheModification.Active = true; bool oldFailEarlyModeActive = AbstractCache.FailInCacheHierarchyModeActive; AbstractCache.FailInCacheHierarchyModeActive = true; try { IList <IWritableCache> firstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches(); IList <Object> hardRefsToRootCacheValuesHere = hardRefsToRootCacheValues; foreach (IWritableCache firstLevelCache in firstLevelCaches) { IList <Object> persistedObjectsInThisCache = firstLevelCache.GetObjects(orisToRevert, CacheDirective.FailEarly); for (int a = persistedObjectsInThisCache.Count; a-- > 0;) { Object persistedObjectInThisCache = persistedObjectsInThisCache[a]; if (!persistedObjectsToRevert.Contains(persistedObjectInThisCache)) { continue; } RootCache.ApplyValues(persistedObjectInThisCache, (ICacheIntern)firstLevelCache, null); } } for (int a = objectsToRevert.Count; a-- > 0;) { Object objectToRevert = objectsToRevert[a]; if (objectToRevert is IDataObject) { // Objects which are specified to be reverted loose their flags ((IDataObject)objectToRevert).ToBeDeleted = false; } } if (directObjectDeletes.Count == 0) { success2 = true; return; } } finally { AbstractCache.FailInCacheHierarchyModeActive = oldFailEarlyModeActive; CacheModification.Active = oldCacheModificationValue; } } finally { if (processResumeItem != null) { processResumeItem.ResumeProcessingFinished(); } } success3 = false; GuiThreadHelper.InvokeOutOfGui(delegate() { try { DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, 0); dataChange.Deletes = directObjectDeletes; EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1); success3 = true; } finally { if (revertChangesFinishedCallback != null) { revertChangesFinishedCallback.Invoke(success3.Value); } } }); success2 = true; }, delegate(Exception e) { if (revertChangesFinishedCallback != null && success3 == null) { revertChangesFinishedCallback.Invoke(success2.Value); } }); }, null); success1 = true; } finally { if (revertChangesFinishedCallback != null && success2 == null && success3 == null) { revertChangesFinishedCallback.Invoke(success1); } } }); } }
public virtual void execute() { long start = Environment.TickCount; // Do something for nearly 60 seconds (job gets invoked every 60 seconds while (Environment.TickCount - start < 58000) { IList <TestEntity> allTestEntities = null; IList <TestEntity2> allTest2Entities = null; ICache newCache = CacheProvider.GetCurrentCache(); CacheContext.ExecuteWithCache <Object>(newCache, delegate() { allTestEntities = HelloWorldService.GetAllTestEntities(); allTest2Entities = HelloWorldService.GetAllTest2Entities(); return(null); }); if (allTestEntities.Count > 0) { IRevertChangesSavepoint savepoint = RevertChangesHelper.CreateSavepoint(allTestEntities); allTestEntities[0].MyString = "Hallo"; allTestEntities[0].Version = -67; allTestEntities[0].Relation = null; savepoint.RevertChanges(); } // Evaluate random type of change ( INSERT / UPDATE / DELETE / NOTHING) double randomChange = random.NextDouble(); bool entity2Change = random.NextDouble() > 0.66; // Evaluate entity to change by its index in the result list of existing entities (necessary for UPDATE / // DELETE) int changeIndex = (int)(random.NextDouble() * allTestEntities.Count); // Evaluate entity2 to select its index in the result list of existing entities (necessary for INSERT of // entity1) int selectEntity2Index = (int)(random.NextDouble() * allTest2Entities.Count); // Evaluate new value to change on chosen entity (necessary for INSERT / UPDATE) int randomNewValue = (int)(random.NextDouble() * Int32.MaxValue / 2); // Map from randomChange to the enum-based operation to execute ChangeOperation changeOperation; if (randomChange < 0.10) // 10% probability for INSERTs { changeOperation = ChangeOperation.INSERT; } else if (randomChange < 0.20) // 10% probability for DELETEs { changeOperation = ChangeOperation.DELETE; } else if (randomChange < 0.40) // 20% probability for doing NOTHING { changeOperation = ChangeOperation.NOTHING; } else // 60% probablity for doing an ordinary UPDATE on an entity { changeOperation = ChangeOperation.UPDATE; } if (entity2Change && allTestEntities.Count > 0) { // If there are less than 10 entities, force to insertion of one if (allTest2Entities.Count < 10)// || ChangeOperation.INSERT.Equals(changeOperation)) { TestEntity2 newEntity = new TestEntity2(); newEntity.MyValue2 = randomNewValue; HelloWorldService.SaveTestEntities2(newEntity); allTest2Entities.Add(newEntity); } //// If there are more than 20 entities, force to deletion of one else if (allTestEntities.Count > 20 || ChangeOperation.DELETE.Equals(changeOperation)) { TestEntity2 deleteEntity = allTest2Entities[selectEntity2Index]; allTest2Entities.RemoveAt(selectEntity2Index); HelloWorldService.DeleteTestEntities2(deleteEntity); } else if (ChangeOperation.UPDATE.Equals(changeOperation)) { TestEntity2 updateEntity = allTest2Entities[selectEntity2Index]; updateEntity.MyValue2 = randomNewValue; HelloWorldService.SaveTestEntities2(updateEntity); } else { TestEntity2 noOpEntity = allTest2Entities[selectEntity2Index]; // Change nothing, but try to save entity (results in NO-OP) HelloWorldService.SaveTestEntities2(noOpEntity); } } else { // If there are less than 10 entities, force to insertion of one if (allTestEntities.Count < 10)// || ChangeOperation.INSERT.Equals(changeOperation)) { TestEntity newEntity = new TestEntity(); newEntity.MyValue = randomNewValue; HelloWorldService.SaveTestEntities(newEntity); allTestEntities.Add(newEntity); } // If there are more than 20 entities, force to deletion of one else if (allTestEntities.Count > 20 || ChangeOperation.DELETE.Equals(changeOperation)) { TestEntity deleteEntity = allTestEntities[changeIndex]; allTestEntities.RemoveAt(changeIndex); HelloWorldService.DeleteTestEntities(deleteEntity); } else if (ChangeOperation.UPDATE.Equals(changeOperation)) { TestEntity updateEntity = allTestEntities[changeIndex]; TestEntity2 testEntity2 = allTest2Entities.Count > 0 ? allTest2Entities[selectEntity2Index] : null; updateEntity.MyValue = randomNewValue; updateEntity.Relation = testEntity2; updateEntity.EmbeddedObject.Name = "Name_" + randomNewValue; updateEntity.EmbeddedObject.Value = randomNewValue; HelloWorldService.SaveTestEntities(updateEntity); } else { TestEntity noOpEntity = allTestEntities[changeIndex]; // Change nothing, but try to save entity (results in NO-OP) HelloWorldService.SaveTestEntities(noOpEntity); } } Thread.Sleep(500); } }