protected override int ExtractHash(PrioMembersKey key)
{
IdentityLinkedSet <Member> key1 = key.Key1;
int hash = 91 ^ key1.Count;
foreach (Member item in key1)
{
hash ^= item.GetHashCode();
}
return(hash);
}
protected void LoadAndAddOrels(ILinkedMap <ICacheIntern, IMap <IObjRelation, bool> > cacheToOrelsToLoad, IList <Object> hardRefList,
IMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, ILinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
IdentityLinkedSet <Member> prioMembers)
{
Iterator <Entry <ICacheIntern, IMap <IObjRelation, bool> > > iter = cacheToOrelsToLoad.Iterator();
while (iter.MoveNext())
{
Entry <ICacheIntern, IMap <IObjRelation, bool> > entry = iter.Current;
ICacheIntern cache = entry.Key;
IMap <IObjRelation, bool> orelsToLoad = entry.Value;
LoadAndAddOrels(cache, orelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
if (orelsToLoad.Count == 0)
{
iter.Remove();
}
}
}
protected override bool EqualKeys(PrioMembersKey key, MapEntry <PrioMembersKey, IdentityLinkedSet <Member> > entry)
{
PrioMembersKey other = entry.Key;
if (key == other)
{
return(true);
}
IdentityLinkedSet <Member> key1 = key.Key1;
IdentityLinkedSet <Member> otherKey1 = other.Key1;
if (key1.Count != otherKey1.Count)
{
return(false);
}
foreach (Member item in key1)
{
if (!otherKey1.Contains(item))
{
return(false);
}
}
return(true);
}
public void AddMembers(EntityMetaData metaData, IEntityConfig entityConfig)
{
Type realType = entityConfig.RealType;
ISet <String> memberNamesToIgnore = new HashSet <String>();
ISet <String> explicitBasicMemberNames = new HashSet <String>();
IList <IMemberConfig> embeddedMembers = new List <IMemberConfig>();
IMap <String, IMemberConfig> nameToMemberConfig = new HashMap <String, IMemberConfig>();
IMap <String, IRelationConfig> nameToRelationConfig = new HashMap <String, IRelationConfig>();
IdentityLinkedMap <String, Member> nameToMemberMap = new IdentityLinkedMap <String, Member>();
FillNameCollections(entityConfig, memberNamesToIgnore, explicitBasicMemberNames, embeddedMembers, nameToMemberConfig, nameToRelationConfig);
IdentityLinkedSet <PrimitiveMember> alternateIdMembers = new IdentityLinkedSet <PrimitiveMember>();
IdentityLinkedSet <PrimitiveMember> primitiveMembers = new IdentityLinkedSet <PrimitiveMember>();
IdentityLinkedSet <RelationMember> relationMembers = new IdentityLinkedSet <RelationMember>();
IdentityLinkedSet <Member> notMergeRelevant = new IdentityLinkedSet <Member>();
IdentityLinkedSet <Member> containedInAlternateIdMember = new IdentityLinkedSet <Member>();
IPropertyInfo[] properties = PropertyInfoProvider.GetProperties(realType);
IdentityLinkedMap <String, Member> explicitlyConfiguredMemberNameToMember = new IdentityLinkedMap <String, Member>();
HashMap <String, IOrmConfig> nameToConfigMap = new HashMap <String, IOrmConfig>();
// Resolve members for all explicit configurations - both simple and composite ones, each with embedded
// functionality (dot-member-path)
foreach (IMemberConfig memberConfig in entityConfig.GetMemberConfigIterable())
{
PutNameToConfigMap(memberConfig, nameToConfigMap);
if (memberConfig.Ignore)
{
continue;
}
HandleMemberConfig(metaData, realType, memberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
}
foreach (IRelationConfig relationConfig in entityConfig.GetRelationConfigIterable())
{
PutNameToConfigMap(relationConfig, nameToConfigMap);
HandleRelationConfig(realType, relationConfig, explicitlyConfiguredMemberNameToMember);
}
PutNameToConfigMap(entityConfig.IdMemberConfig, nameToConfigMap);
PutNameToConfigMap(entityConfig.VersionMemberConfig, nameToConfigMap);
PutNameToConfigMap(entityConfig.CreatedByMemberConfig, nameToConfigMap);
PutNameToConfigMap(entityConfig.CreatedOnMemberConfig, nameToConfigMap);
PutNameToConfigMap(entityConfig.UpdatedByMemberConfig, nameToConfigMap);
PutNameToConfigMap(entityConfig.UpdatedOnMemberConfig, nameToConfigMap);
metaData.IdMember = HandleMemberConfig(metaData, realType, entityConfig.IdMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
metaData.VersionMember = HandleMemberConfig(metaData, realType, entityConfig.VersionMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
metaData.CreatedByMember = HandleMemberConfig(metaData, realType, entityConfig.CreatedByMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
metaData.CreatedOnMember = HandleMemberConfig(metaData, realType, entityConfig.CreatedOnMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
metaData.UpdatedByMember = HandleMemberConfig(metaData, realType, entityConfig.UpdatedByMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
metaData.UpdatedOnMember = HandleMemberConfig(metaData, realType, entityConfig.UpdatedOnMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
IdentityHashSet <Member> idMembers = new IdentityHashSet <Member>();
Member idMember = metaData.IdMember;
if (idMember is CompositeIdMember)
{
idMembers.AddAll(((CompositeIdMember)idMember).Members);
}
else
{
idMembers.Add(idMember);
}
// Handle all explicitly configured members
foreach (Entry <String, Member> entry in explicitlyConfiguredMemberNameToMember)
{
String memberName = entry.Key;
IOrmConfig ormConfig = nameToConfigMap.Get(memberName);
Member member = entry.Value;
if (idMembers.Contains(member))
{
continue;
}
if (ormConfig.ExplicitlyNotMergeRelevant)
{
notMergeRelevant.Add(member);
}
if (ormConfig is IRelationConfig)
{
if (!relationMembers.Add((RelationMember)member))
{
throw new Exception("Member has been registered as relation multiple times: " + member.Name);
}
continue;
}
if (!(ormConfig is IMemberConfig))
{
continue;
}
if (((IMemberConfig)ormConfig).AlternateId)
{
if (!alternateIdMembers.Add((PrimitiveMember)member))
{
throw new Exception("Member has been registered as alternate id multiple times: " + member.Name);
}
if (member is CompositeIdMember)
{
Member[] containedMembers = ((CompositeIdMember)member).Members;
containedInAlternateIdMember.AddAll(containedMembers);
}
}
if (!(member is CompositeIdMember) && metaData.VersionMember != member)
{
// Alternate Ids are normally primitives, too. But Composite Alternate Ids not - only their composite
// items are primitives
primitiveMembers.Add((PrimitiveMember)member);
}
}
IdentityHashSet <String> explicitTypeInfoItems = IdentityHashSet <String> .Create(explicitlyConfiguredMemberNameToMember.Count);
foreach (Entry <String, Member> entry in explicitlyConfiguredMemberNameToMember)
{
Member member = entry.Value;
explicitTypeInfoItems.Add(member.Name);
if (member is IEmbeddedMember)
{
explicitTypeInfoItems.Add(((IEmbeddedMember)member).GetMemberPath()[0].Name);
}
}
// Go through the available members to look for potential auto-mapping (simple, no embedded)
for (int i = 0; i < properties.Length; i++)
{
IPropertyInfo property = properties[i];
String memberName = property.Name;
if (memberNamesToIgnore.Contains(memberName))
{
continue;
}
if (explicitTypeInfoItems.Contains(memberName))
{
// already configured, no auto mapping needed for this member
continue;
}
MethodPropertyInfo mProperty = (MethodPropertyInfo)property;
Type elementType = TypeInfoItemUtil.GetElementTypeUsingReflection(mProperty.Getter.ReturnType, null);
if ((nameToMemberMap.Get(property.Name) is RelationMember) || RelationProvider.IsEntityType(elementType))
{
RelationMember member = GetRelationMember(metaData.EntityType, property, nameToMemberMap);
relationMembers.Add(member);
continue;
}
PrimitiveMember member2 = GetPrimitiveMember(metaData.EntityType, property, nameToMemberMap);
if (metaData.IdMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_ID))
{
metaData.IdMember = member2;
continue;
}
if (idMembers.Contains(member2) && !alternateIdMembers.Contains(member2) && !containedInAlternateIdMember.Contains(member2))
{
continue;
}
if (member2.Equals(metaData.IdMember) || member2.Equals(metaData.VersionMember) || member2.Equals(metaData.CreatedByMember) ||
member2.Equals(metaData.CreatedOnMember) || member2.Equals(metaData.UpdatedByMember) || member2.Equals(metaData.UpdatedOnMember))
{
continue;
}
if (metaData.VersionMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_VERSION))
{
metaData.VersionMember = member2;
continue;
}
if (metaData.CreatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_BY))
{
metaData.CreatedByMember = member2;
}
else if (metaData.CreatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_ON))
{
metaData.CreatedOnMember = member2;
}
else if (metaData.UpdatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_BY))
{
metaData.UpdatedByMember = member2;
}
else if (metaData.UpdatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_ON))
{
metaData.UpdatedOnMember = member2;
}
primitiveMembers.Add(member2);
}
foreach (PrimitiveMember member in primitiveMembers)
{
String memberName = member.Name;
if (explicitBasicMemberNames.Contains(memberName))
{
// Even if the name would match, this member was explicitly configured as "basic"
continue;
}
if (metaData.CreatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_BY))
{
metaData.CreatedByMember = member;
}
else if (metaData.CreatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_ON))
{
metaData.CreatedOnMember = member;
}
else if (metaData.UpdatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_BY))
{
metaData.UpdatedByMember = member;
}
else if (metaData.UpdatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_ON))
{
metaData.UpdatedOnMember = member;
}
}
FilterWrongRelationMappings(relationMembers);
// Order of setter calls is important
PrimitiveMember[] primitives = primitiveMembers.ToArray();
PrimitiveMember[] alternateIds = alternateIdMembers.ToArray();
RelationMember[] relations = relationMembers.ToArray();
Array.Sort(primitives);
Array.Sort(alternateIds);
Array.Sort(relations);
metaData.PrimitiveMembers = primitives;
metaData.AlternateIdMembers = alternateIds;
metaData.RelationMembers = relations;
foreach (Member member in notMergeRelevant)
{
metaData.SetMergeRelevant(member, false);
}
if (metaData.IdMember == null)
{
throw new Exception("No ID member could be resolved for entity of type " + metaData.RealType);
}
}
public IdentityLinkedSet <Member> GetPrioMembers(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
List <PrefetchCommand> pendingPrefetchCommands, MergePrefetchPathsCache mergePrefetchPathsCache)
{
IdentityLinkedSet <Member> key1 = new IdentityLinkedSet <Member>();
PrioMembersKey key = new PrioMembersKey(entityTypeToPrefetchPath, key1);
for (int a = 0, size = pendingPrefetchCommands.Count; a < size; a++)
{
PrefetchCommand prefetchCommand = pendingPrefetchCommands[a];
key1.Add(prefetchCommand.valueHolder.Member);
}
IdentityLinkedSet <Member> prioMembersMap = activeMembersToPrioMembersMap.Get(key);
if (prioMembersMap != null)
{
return(prioMembersMap);
}
prioMembersMap = new IdentityLinkedSet <Member>(0.5f);
Tuple2KeyHashMap <Type, PrefetchPath[], bool?> alreadyVisited = null;
IdentityHashSet <Type> touchedTypesInPriority = null;
if (mergePrefetchPathsCache == null)
{
mergePrefetchPathsCache = new MergePrefetchPathsCache(entityMetaDataProvider);
}
bool prio2Mode = true;
foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
{
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
PrefetchPath[] prefetchPaths = prefetchCommand.prefetchPaths;
RelationMember member = valueHolder.Member;
Type targetEntityType = member.ElementType;
// Merge the root prefetch path with the relative prefetch path
prefetchPaths = mergePrefetchPathsCache.MergePrefetchPaths(targetEntityType, prefetchPaths, entityTypeToPrefetchPath);
IEntityMetaData metaData = valueHolder.Vhc.Get__EntityMetaData();
if (targetEntityType.Equals(metaData.EntityType))
{
// prio1 overrides prio2
if (prio2Mode)
{
prio2Mode = false;
alreadyVisited = null;
prioMembersMap.Clear();
if (touchedTypesInPriority != null)
{
touchedTypesInPriority.Clear();
}
}
prioMembersMap.Add(member);
if (touchedTypesInPriority == null)
{
touchedTypesInPriority = new IdentityHashSet <Type>();
}
touchedTypesInPriority.Add(member.EntityType);
touchedTypesInPriority.Add(targetEntityType);
continue;
}
if (prefetchPaths == null || !prio2Mode)
{
continue;
}
if (alreadyVisited == null)
{
alreadyVisited = new Tuple2KeyHashMap <Type, PrefetchPath[], bool?>();
}
if (IsPrio2Member(metaData, entityMetaDataProvider.GetMetaData(targetEntityType), prefetchPaths, entityTypeToPrefetchPath, alreadyVisited,
mergePrefetchPathsCache))
{
prioMembersMap.Add(member);
if (touchedTypesInPriority == null)
{
touchedTypesInPriority = new IdentityHashSet <Type>();
}
touchedTypesInPriority.Add(member.EntityType);
touchedTypesInPriority.Add(targetEntityType);
}
}
if (prioMembersMap.Count > 0)
{
// check for out-of-order members which have nothing to do (and will never ever have in a transitive manner) with the priorized members
foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
{
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
RelationMember member = valueHolder.Member;
if (prioMembersMap.Contains(member))
{
// already priorized
continue;
}
if (touchedTypesInPriority.Contains(member.EntityType) || touchedTypesInPriority.Contains(member.ElementType))
{
continue;
}
prioMembersMap.Add(member);
}
}
Object writeLock = activeMembersToPrioMembersMap.GetWriteLock();
lock (writeLock)
{
IdentityLinkedSet <Member> existingPrioMembersMap = activeMembersToPrioMembersMap.Get(key);
if (existingPrioMembersMap != null)
{
return(existingPrioMembersMap);
}
activeMembersToPrioMembersMap.Put(key, prioMembersMap);
return(prioMembersMap);
}
}
public PrioMembersKey(ILinkedMap <Type, PrefetchPath[]> referent, IdentityLinkedSet <Member> key1) : base(referent)
{
this.key1 = key1;
}
protected void LoadAndAddOrels(ICacheIntern cache, IMap <IObjRelation, bool> orelsToLoad, IList <Object> hardRefList,
IMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, ILinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
IdentityLinkedSet <Member> prioMembers)
{
IList <IObjRelation> objRelList;
if (prioMembers.Count > 0)
{
objRelList = new List <IObjRelation>(orelsToLoad.Count);
IEntityMetaDataProvider entityMetaDataProvider = this.EntityMetaDataProvider;
foreach (Entry <IObjRelation, Boolean> entry in orelsToLoad)
{
IObjRelation objRel = entry.Key;
IEntityMetaData metaData = entityMetaDataProvider.GetMetaData(objRel.RealType);
RelationMember memberByName = (RelationMember)metaData.GetMemberByName(objRel.MemberName);
if (!prioMembers.Contains(memberByName))
{
continue;
}
objRelList.Add(objRel);
}
}
else
{
objRelList = orelsToLoad.KeyList();
}
IList <IObjRelationResult> objRelResults = cache.GetObjRelations(objRelList, cache, CacheDirective.ReturnMisses);
IISet <IObjRef> orisToLoad = null;
for (int a = 0, size = objRelResults.Count; a < size; a++)
{
IObjRelation objRel = objRelList[a];
IObjRelationResult objRelResult = objRelResults[a];
bool objRefsOnly = orelsToLoad.Remove(objRel);
if (objRelResult == null)
{
continue;
}
if (orelsToLoad.Get(objRel))
{
// fetch only the objRefs, not the objects themselves
continue;
}
IObjRef[] relations = objRelResult.Relations;
if (relations.Length == 0 || objRefsOnly)
{
// fetch only the objRefs, not the objects themselves
continue;
}
if (orisToLoad == null)
{
orisToLoad = cacheToOrisToLoad.Get(cache);
if (orisToLoad == null)
{
orisToLoad = new CHashSet <IObjRef>();
cacheToOrisToLoad.Put(cache, orisToLoad);
}
}
orisToLoad.AddAll(relations);
}
IISet <IObjRelation> orelsLoadedHistory = cacheToOrelsLoadedHistory.Get(cache);
if (orelsLoadedHistory == null)
{
orelsLoadedHistory = new CHashSet <IObjRelation>();
cacheToOrelsLoadedHistory.Put(cache, orelsLoadedHistory);
}
orelsLoadedHistory.AddAll(objRelList);
}
protected void ProcessPendingOrelsAndObjRefs(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
AlreadyHandledSet alreadyHandledSet, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisLoadedHistory,
IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, bool> > cacheToOrelsToLoad, List <PrefetchCommand> pendingPrefetchCommands,
List <Object> hardRefList)
{
// all relation members where at least one instance of the owning entity type needs a prefetch on this member in the immediate next step
MergePrefetchPathsCache mergePrefetchPathsCache = new MergePrefetchPathsCache(EntityMetaDataProvider);
IdentityLinkedSet <Member> prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);
LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);
while (pendingPrefetchCommands.Count > 0)
{
PrefetchCommand[] currentPrefetchCommands = pendingPrefetchCommands.ToArray();
// Clear the items to be ready for cascaded items in new batch recursion step
pendingPrefetchCommands.Clear();
if (prioMembers.Count > 0)
{
for (int a = 0, size = currentPrefetchCommands.Length; a < size; a++)
{
PrefetchCommand prefetchCommand = currentPrefetchCommands[a];
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
if (!prioMembers.Contains(valueHolder.Member))
{
currentPrefetchCommands[a] = null;
pendingPrefetchCommands.Add(prefetchCommand);
}
}
}
GuiThreadHelper.InvokeInGuiAndWait(delegate()
{
ICacheModification cacheModification = CacheModification;
ValueHolderContainerMixin valueHolderContainerMixin = ValueHolderContainerMixin;
bool oldActive = cacheModification.Active;
if (!oldActive)
{
cacheModification.Active = true;
}
try
{
foreach (PrefetchCommand prefetchCommand in currentPrefetchCommands)
{
if (prefetchCommand == null)
{
continue;
}
DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
PrefetchPath[] cachePaths = prefetchCommand.prefetchPaths;
RelationMember member = valueHolder.Member;
// Merge the root prefetch path with the relative prefetch path
cachePaths = mergePrefetchPathsCache.MergePrefetchPaths(member.ElementType, cachePaths, entityTypeToPrefetchPath);
IObjRefContainer vhc = valueHolder.Vhc;
ICacheIntern targetCache;
bool doSetValue = false;
if (valueHolder is IndirectValueHolderRef)
{
IndirectValueHolderRef valueHolderKey = (IndirectValueHolderRef)valueHolder;
targetCache = valueHolderKey.RootCache;
}
else
{
targetCache = ((IValueHolderContainer)vhc).__TargetCache;
doSetValue = true;
}
int relationIndex = vhc.Get__EntityMetaData().GetIndexByRelation(member);
IObjRef[] objRefs = vhc.Get__ObjRefs(relationIndex);
Object obj = valueHolderContainerMixin.GetValue(vhc, relationIndex, member, targetCache, objRefs, CacheDirective.FailEarly);
if (doSetValue && obj != null)
{
member.SetValue(vhc, obj);
}
EnsureInitializedRelationsIntern3(obj, cachePaths, entityTypeToPrefetchPath, cacheToOrisToLoad, cacheToOrelsToLoad, cacheToOrisLoadedHistory,
cacheToOrelsLoadedHistory, alreadyHandledSet, pendingPrefetchCommands);
}
}
finally
{
if (!oldActive)
{
cacheModification.Active = false;
}
}
});
// Remove all oris which have already been tried to load before
if (cacheToOrisToLoad.Count == 0 && cacheToOrelsToLoad.Count == 0 && pendingPrefetchCommands.Count == 0)
{
return;
}
prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);
LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);
}
}
public void WaitEventToResume(Object eventTargetToResume, long maxWaitTime, IBackgroundWorkerParamDelegate <IProcessResumeItem> resumeDelegate, IBackgroundWorkerParamDelegate <Exception> errorDelegate)
{
try
{
IdentityHashSet <Object> pendingSet = new IdentityHashSet <Object>();
if (eventTargetToResume is IEnumerable)
{
pendingSet.AddAll((IEnumerable)eventTargetToResume);
}
else
{
pendingSet.Add(eventTargetToResume);
}
WaitForResumeItem pauseItem = null;
listenersWriteLock.Lock();
try
{
IList <Object> remainingPausedEventTargets = EvaluatePausedEventTargetsOfForeignThreads();
IdentityLinkedSet <Object> remainingPausedEventTargetsSet = new IdentityLinkedSet <Object>(remainingPausedEventTargets);
remainingPausedEventTargetsSet.RetainAll(pendingSet);
if (remainingPausedEventTargetsSet.Count > 0)
{
// We should wait now but we have to check if we are in the UI thread, which must never wait
if (GuiThreadHelper.IsInGuiThread())
{
// This is the trick: We "requeue" the current action in the UI pipeline to prohibit blocking
GuiThreadHelper.InvokeInGuiLate(delegate()
{
WaitEventToResume(eventTargetToResume, maxWaitTime, resumeDelegate, errorDelegate);
});
return;
}
pauseItem = new WaitForResumeItem(pendingSet);
waitForResumeSet.Add(pauseItem);
}
}
finally
{
listenersWriteLock.Unlock();
}
if (pauseItem == null)
{
resumeDelegate.Invoke(null);
return;
}
CountDownLatch latch = pauseItem.Latch;
if (maxWaitTime < 0)
{
latch.Await();
}
else if (maxWaitTime > 0)
{
latch.Await(TimeSpan.FromMilliseconds(maxWaitTime));
}
else
{
throw new System.Exception("Thread should wait but does not want to");
}
resumeDelegate.Invoke(pauseItem);
}
catch (Exception e)
{
if (Log.ErrorEnabled)
{
Log.Error(e);
}
if (errorDelegate != null)
{
errorDelegate.Invoke(e);
}
throw;
}
}
public void Resume(Object eventTarget)
{
if (GuiThreadHelper.IsInGuiThread())
{
// Nothing to do
return;
}
IEventTargetExtractor eventTargetExtractor = typeToEventTargetExtractorsDict.GetExtension(eventTarget.GetType());
if (eventTargetExtractor == null)
{
return;
}
eventTarget = eventTargetExtractor.ExtractEventTarget(eventTarget);
if (eventTarget == null)
{
return;
}
IdentityLinkedSet <WaitForResumeItem> freeLatchMap = null;
try
{
PausedEventTargetItem pauseETI;
listenersWriteLock.Lock();
try
{
IdentityLinkedMap <Object, PausedEventTargetItem> pausedTargets = this.pausedTargets;
pauseETI = pausedTargets.Get(eventTarget);
if (pauseETI == null)
{
throw new System.Exception("No pause() active for target " + eventTarget);
}
pauseETI.PauseCount--;
if (pauseETI.PauseCount > 0)
{
return;
}
pausedTargets.Remove(eventTarget);
IList <Object> remainingPausedEventTargets = EvaluatePausedEventTargets();
IdentityHashSet <Object> remainingPausedEventTargetsSet = new IdentityHashSet <Object>();
Iterator <WaitForResumeItem> iter = waitForResumeSet.Iterator();
while (iter.MoveNext())
{
WaitForResumeItem pauseItem = iter.Current;
remainingPausedEventTargetsSet.AddAll(remainingPausedEventTargets);
remainingPausedEventTargetsSet.RetainAll(pauseItem.PendingPauses);
if (remainingPausedEventTargetsSet.Count == 0)
{
iter.Remove();
if (freeLatchMap == null)
{
freeLatchMap = new IdentityLinkedSet <WaitForResumeItem>();
}
freeLatchMap.Add(pauseItem);
}
remainingPausedEventTargetsSet.Clear();
}
}
finally
{
listenersWriteLock.Unlock();
}
}
finally
{
if (freeLatchMap != null)
{
foreach (WaitForResumeItem wfrItem in freeLatchMap)
{
wfrItem.Latch.CountDown();
}
foreach (WaitForResumeItem wfrItem in freeLatchMap)
{
try
{
wfrItem.ResultLatch.Await();
}
catch (System.Exception e)
{
throw new System.Exception("Fatal state occured. This may result in a global deadlock", e);
}
}
}
}
}
