public void HandleEvent(Object eventObject, DateTime dispatchTime, long sequenceId)
{
if (!(eventObject is ClearAllCachesEvent))
{
return;
}
CommittedRootCache.Clear();
IRootCache privilegedSecondLevelCache = SecondLevelCacheManager.SelectPrivilegedSecondLevelCache(false);
if (privilegedSecondLevelCache != null && !Object.ReferenceEquals(privilegedSecondLevelCache, CommittedRootCache))
{
privilegedSecondLevelCache.Clear();
}
IRootCache nonPrivilegedSecondLevelCache = SecondLevelCacheManager.SelectNonPrivilegedSecondLevelCache(false);
if (nonPrivilegedSecondLevelCache != null && !Object.ReferenceEquals(nonPrivilegedSecondLevelCache, CommittedRootCache) &&
!Object.ReferenceEquals(nonPrivilegedSecondLevelCache, privilegedSecondLevelCache))
{
nonPrivilegedSecondLevelCache.Clear();
}
IList <IWritableCache> firstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches();
for (int a = firstLevelCaches.Count; a-- > 0;)
{
IWritableCache firstLevelCache = firstLevelCaches[a];
firstLevelCache.Clear();
}
}
public static CacheDependencyNode AddRootCache(IRootCache rootCache, IdentityHashMap <IRootCache, CacheDependencyNode> rootCacheToNodeMap)
{
rootCache = rootCache.CurrentRootCache;
CacheDependencyNode node = rootCacheToNodeMap.Get(rootCache);
if (node != null)
{
return(node);
}
CacheDependencyNode parentNode = null;
IRootCache parent = ((RootCache)rootCache).Parent;
if (parent != null)
{
parentNode = AddRootCache(parent, rootCacheToNodeMap);
}
node = new CacheDependencyNode(rootCache);
node.parentNode = parentNode;
if (parentNode != null)
{
parentNode.childNodes.Add(node);
}
rootCacheToNodeMap.Put(rootCache, node);
return(node);
}
protected CacheDependencyNode BuildCacheDependency()
{
IRootCache privilegedSecondLevelCache = SecondLevelCacheManager.SelectPrivilegedSecondLevelCache(true);
IRootCache nonPrivilegedSecondLevelCache = SecondLevelCacheManager.SelectNonPrivilegedSecondLevelCache(false);
IList <IWritableCache> selectedFirstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches();
IdentityHashMap <IRootCache, CacheDependencyNode> secondLevelCacheToNodeMap = new IdentityHashMap <IRootCache, CacheDependencyNode>();
if (privilegedSecondLevelCache != null)
{
CacheDependencyNodeFactory.AddRootCache(privilegedSecondLevelCache.CurrentRootCache, secondLevelCacheToNodeMap);
}
if (nonPrivilegedSecondLevelCache != null)
{
CacheDependencyNodeFactory.AddRootCache(nonPrivilegedSecondLevelCache.CurrentRootCache, secondLevelCacheToNodeMap);
}
for (int a = selectedFirstLevelCaches.Count; a-- > 0;)
{
ChildCache childCache = (ChildCache)selectedFirstLevelCaches[a];
IRootCache parent = ((IRootCache)childCache.Parent).CurrentRootCache;
CacheDependencyNode node = CacheDependencyNodeFactory.AddRootCache(parent, secondLevelCacheToNodeMap);
node.directChildCaches.Add(childCache);
}
return(CacheDependencyNodeFactory.BuildRootNode(secondLevelCacheToNodeMap));
}
protected IRootCache GetCurrentRootCache()
{
IRootCache rootCache = GetCurrentRootCacheIfValid();
if (rootCache == null)
{
rootCache = AcquireRootCache(privileged, rootCacheTL);
}
return(rootCache);
}
protected override void InterceptIntern(IInvocation invocation)
{
if (clearMethod.Equals(invocation.Method))
{
IRootCache rootCache = GetCurrentRootCacheIfValid();
if (rootCache == null)
{
// Nothing to do
return;
}
}
IRootCache rootCache2 = GetCurrentRootCache();
invocation.ReturnValue = invocation.Method.Invoke(rootCache2, invocation.Arguments);
}
protected void WaitEventToResume(IBackgroundWorkerParamDelegate <IProcessResumeItem> resumeDelegate, IBackgroundWorkerParamDelegate <Exception> errorDelegate)
{
IRootCache rootCache = RootCache;
IList <IWritableCache> selectedFirstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches();
ISet <Object> collisionSet = new IdentityHashSet <Object>();
collisionSet.Add(rootCache);
for (int a = selectedFirstLevelCaches.Count; a-- > 0;)
{
collisionSet.Add(selectedFirstLevelCaches[a]);
}
// Without the current rootcache we can not handle the event now. We have to block till the rootCache and all childCaches get valid
EventDispatcher.WaitEventToResume(collisionSet, -1, resumeDelegate, errorDelegate);
}
protected IRootCache GetCurrentRootCache(bool privileged, bool forceInstantiation)
{
IRootCache rootCache = privileged ? privilegedRootCacheTL.Value : rootCacheTL.Value;
if (rootCache != null)
{
return(rootCache);
}
if (!transactionalRootCacheActiveTL.Value)
{
// If no thread-bound root cache is active (which implies that no transaction is currently active
// return the unbound root cache (which reads committed data)
return(CommittedRootCache);
}
// if we need a cache and security is active the privileged cache is a prerequisite in both cases
IRootCache privilegedRootCache = privilegedRootCacheTL.Value;
if (privilegedRootCache == null)
{
if (!forceInstantiation)
{
// do not create an instance of anything in this case
return(null);
}
// here we know that the non-privileged one could not have existed before, so we simply create the privileged one
privilegedRootCache = AcquireRootCache(true, privilegedRootCacheTL);
}
if (privileged)
{
// we need only the privilegedRootCache so we are finished
return(privilegedRootCache);
}
IRootCache nonPrivilegedRootCache = rootCacheTL.Value;
if (nonPrivilegedRootCache == null)
{
if (!forceInstantiation)
{
// do not create an instance of anything in this case
return(null);
}
// share the locks from the privileged rootCache
nonPrivilegedRootCache = AcquireRootCache(privileged, rootCacheTL, (ICacheRetriever)privilegedRootCache, privilegedRootCache.ReadLock,
privilegedRootCache.WriteLock);
}
return(nonPrivilegedRootCache);
}
protected override void InterceptIntern(IInvocation invocation)
{
if (clearMethod.Equals(invocation.Method))
{
IRootCache rootCache = privilegedRootCacheTL.Value;
if (rootCache != null)
{
rootCache.Clear();
}
rootCache = rootCacheTL.Value;
if (rootCache != null)
{
rootCache.Clear();
}
return;
}
ICacheIntern requestingCache = null;
foreach (Object arg in invocation.Arguments)
{
if (arg is ICacheIntern)
{
requestingCache = (ICacheIntern)arg;
break;
}
}
bool privileged;
if (requestingCache != null)
{
privileged = requestingCache.Privileged;
}
else
{
privileged = IsCurrentPrivileged();
}
IRootCache rootCache2 = GetCurrentRootCache(privileged);
invocation.ReturnValue = invocation.Method.Invoke(rootCache2, invocation.Arguments);
}
protected void CleanupSecondLevelCachesIntern(CacheDependencyNode node, IList <IObjRef> deletesList, IList <IObjRef> objRefsRemovePriorVersions)
{
IRootCache rootCache = node.rootCache;
Lock writeLock = rootCache.WriteLock;
writeLock.Lock();
try
{
rootCache.Remove(deletesList);
rootCache.RemovePriorVersions(objRefsRemovePriorVersions);
}
finally
{
writeLock.Unlock();
}
List <CacheDependencyNode> childNodes = node.childNodes;
for (int a = childNodes.Count; a-- > 0;)
{
CleanupSecondLevelCachesIntern(childNodes[a], deletesList, objRefsRemovePriorVersions);
}
}
public void DisposeTransactionalRootCache(bool success)
{
transactionalRootCacheActiveTL.Value = false;
DisposeCurrentRootCache(rootCacheTL);
IRootCache rootCache = privilegedRootCacheTL.Value;
if (rootCache == null)
{
DisposeCurrentRootCache(privilegedRootCacheTL);
// This may happen if an exception occurs while committing and therefore calling a rollback
return;
}
try
{
if (success)
{
List <RootCacheValue> content = new List <RootCacheValue>();
// Save information into second level cache for committed data
rootCache.GetContent(delegate(Type entityType, sbyte idIndex, Object id, Object value)
{
content.Add((RootCacheValue)value);
}
);
if (content.Count > 0)
{
rootCache.Clear();
CommittedRootCache.Put(content);
}
}
}
finally
{
DisposeCurrentRootCache(privilegedRootCacheTL);
}
}
protected void ChangeFirstLevelCachesIntern(CacheDependencyNode node, ISet <IObjRef> intermediateDeletes)
{
List <CacheDependencyNode> childNodes = node.childNodes;
for (int a = childNodes.Count; a-- > 0;)
{
ChangeFirstLevelCachesIntern(childNodes[a], intermediateDeletes);
}
CacheChangeItem[] cacheChangeItems = node.cacheChangeItems;
if (cacheChangeItems == null)
{
return;
}
IRootCache parentCache = node.rootCache;
// RootCache readlock must be acquired before individual writelock to the child caches due to deadlock reasons
Lock parentCacheReadLock = parentCache.ReadLock;
parentCacheReadLock.Lock();
try
{
HashMap <IObjRef, CacheValueAndPrivilege> objRefToCacheValueMap = node.objRefToCacheValueMap;
for (int a = cacheChangeItems.Length; a-- > 0;)
{
CacheChangeItem cci = cacheChangeItems[a];
if (cci == null)
{
continue;
}
ChildCache childCache = node.directChildCaches[a];
IList <IObjRef> deletedObjRefs = cci.DeletedObjRefs;
IList <Object> objectsToUpdate = cci.UpdatedObjects;
IList <IObjRef> objRefsToUpdate = cci.UpdatedObjRefs;
IRootCache parent = ((IRootCache)childCache.Parent).CurrentRootCache;
Lock writeLock = childCache.WriteLock;
writeLock.Lock();
try
{
if (deletedObjRefs != null && deletedObjRefs.Count > 0)
{
childCache.Remove(deletedObjRefs);
}
foreach (IObjRef intermediateDeleteObjRef in intermediateDeletes)
{
childCache.Remove(intermediateDeleteObjRef);
}
if (objectsToUpdate != null && objectsToUpdate.Count > 0)
{
List <IObjRef> objRefsToForget = null;
for (int b = objectsToUpdate.Count; b-- > 0;)
{
Object objectInCache = objectsToUpdate[b];
IObjRef objRefInCache = objRefsToUpdate[b];
// Check if the objects still have their id. They may have lost them concurrently because this
// method here may be called from another thread (e.g. UI thread)
IEntityMetaData metaData = ((IEntityMetaDataHolder)objectInCache).Get__EntityMetaData();
Object id = metaData.IdMember.GetValue(objectInCache, false);
if (id == null)
{
continue;
}
CacheValueAndPrivilege cacheValueP = objRefToCacheValueMap.Get(objRefInCache);
if (cacheValueP == null)
{
if (objRefsToForget == null)
{
objRefsToForget = new List <IObjRef>();
}
objRefsToForget.Add(objRefInCache);
foreach (PrimitiveMember member in metaData.PrimitiveMembers)
{
member.SetValue(objectInCache, null);
}
RelationMember[] relationMembers = metaData.RelationMembers;
for (int relationIndex = relationMembers.Length; relationIndex-- > 0;)
{
((IValueHolderContainer)objectInCache).Set__Uninitialized(relationIndex, null);
}
continue;
}
if (!parentCache.ApplyValues(objectInCache, childCache, cacheValueP.privilege))
{
if (Log.WarnEnabled)
{
Log.Warn("No entry for object '" + objectInCache + "' found in second level cache");
}
}
}
if (objRefsToForget != null)
{
childCache.Remove(objRefsToForget);
}
}
}
finally
{
writeLock.Unlock();
}
}
}
finally
{
parentCacheReadLock.Unlock();
}
}
protected void ChangeSecondLevelCacheIntern(CacheDependencyNode node, CacheDirective cacheDirective)
{
IRootCache rootCache = node.rootCache;
HashMap <IObjRef, CacheValueAndPrivilege> objRefToLoadContainerDict = node.objRefToCacheValueMap;
CHashSet <IObjRef> objRefsToLoad = new CHashSet <IObjRef>(node.objRefsToLoad);
if (node.cacheChangeItems != null)
{
foreach (CacheChangeItem cci in node.cacheChangeItems)
{
if (cci == null)
{
continue;
}
objRefsToLoad.AddAll(cci.UpdatedObjRefs);
}
}
IList <IObjRef> objRefs = objRefsToLoad.ToList();
IList <Object> refreshResult = rootCache.GetObjects(objRefs, cacheDirective);
IPrivilege[] privileges = null;
if (SecurityActivation != null && PrivilegeProvider != null && SecurityActivation.FilterActivated)
{
privileges = PrivilegeProvider.GetPrivilegesByObjRef(objRefs).GetPrivileges();
}
for (int a = refreshResult.Count; a-- > 0;)
{
RootCacheValue cacheValue = (RootCacheValue)refreshResult[a];
if (cacheValue == null)
{
continue;
}
objRefToLoadContainerDict.Put(objRefs[a], new CacheValueAndPrivilege(cacheValue, privileges != null ? privileges[a] : null));
}
CheckCascadeRefreshNeeded(node);
CHashSet <IObjRef> cascadeRefreshObjRefsSet = node.cascadeRefreshObjRefsSet;
CHashSet <IObjRelation> cascadeRefreshObjRelationsSet = node.cascadeRefreshObjRelationsSet;
if (cascadeRefreshObjRelationsSet.Count > 0)
{
IList <IObjRelationResult> relationsResult = rootCache.GetObjRelations(cascadeRefreshObjRelationsSet.ToList(), cacheDirective);
for (int a = relationsResult.Count; a-- > 0;)
{
IObjRelationResult relationResult = relationsResult[a];
cascadeRefreshObjRefsSet.AddAll(relationResult.Relations);
}
// apply gathered information of unknown relations to the rootCache
rootCache.Put(relationsResult);
}
if (cascadeRefreshObjRefsSet.Count > 0)
{
IList <IObjRef> cascadeRefreshObjRefsSetList = cascadeRefreshObjRefsSet.ToList();
refreshResult = rootCache.GetObjects(cascadeRefreshObjRefsSetList, cacheDirective);
}
List <CacheDependencyNode> childNodes = node.childNodes;
for (int a = childNodes.Count; a-- > 0;)
{
ChangeSecondLevelCacheIntern(childNodes[a], failInCacheHierarchyAndCacheValueResultAndReturnMissesSet);
}
}
public CacheDependencyNode(IRootCache rootCache)
{
this.rootCache = rootCache;
}
