public void AddBulkDependencies(ArrayList keys, IList <CacheSyncDependency> dependencies)
{
Hashtable dependencyList = new Hashtable();
ISyncCache syncCache = null;
SyncEventListener listener = null;
for (int i = 0; i < keys.Count; i++)
{
string key = keys[i] as string;
CacheSyncDependency dependency = dependencies[i];
if (_context.IsDbSyncCoordinator)
{
syncCache = dependency.SyncCache;
listener = null;
if (dependency != null && dependency.CacheId != null)
{
lock (_dependenciesStatus.SyncRoot)
{
if (AddDependencyInternal(key, dependency))
{
List <string> dependencyKeyList = dependencyList[dependency.CacheId] as List <string>;
if (dependencyKeyList == null)
{
dependencyKeyList = new List <string>(keys.Count);
dependencyList.Add(dependency.CacheId, dependencyKeyList);
}
dependencyKeyList.Add(dependency.Key);
}
}
}
}
else
{
SyncItem syncItem = new SyncItem(key, dependency.Key, dependency.CacheId);
lock (_inactiveDependencies.SyncRoot)
{
if (!_inactiveDependencies.Contains(syncItem))
{
_inactiveDependencies.Add(syncItem, dependency);
}
}
}
}
IDictionaryEnumerator ide = dependencyList.GetEnumerator();
while (ide.MoveNext())
{
listener = _listeners[ide.Key] as SyncEventListener;
syncCache = _synCaches[ide.Key] as ISyncCache;
List <string> depdencyKeyList = ide.Value as List <string>;
if (syncCache != null && listener != null)
{
syncCache.RegisterBulkSyncKeyNotifications(depdencyKeyList.ToArray(), listener, CallbackType.PushBasedNotification);
}
}
}
public CompactCacheEntry(object key, object value, ExpirationHint dependency,
Alachisoft.NCache.Caching.CacheSynchronization.CacheSyncDependency syncDependency, long expiration,
byte options, object itemRemovedCallback, string group, string subgroup, Hashtable queryInfo, BitSet Flag, object lockId, ulong version, LockAccessType accessType, string providername, string resyncProviderName)
{
_key = key;
_flag = Flag;
_value = value;
_dependency = dependency;
_syncDependency = syncDependency;
_expiration = expiration;
_options = options;
_itemRemovedCallback = itemRemovedCallback;
if (group != null)
{
_group = group;
if (subgroup != null)
{
_subgroup = subgroup;
}
}
_queryInfo = queryInfo;
_lockId = lockId;
_accessType = accessType;
_version = version;
_providerName = providername;
_resyncProviderName = resyncProviderName;
}
private bool RemoveCacheSyncDependencyInternal(string key, CacheSyncDependency dependency)
{
SyncItem item = new SyncItem(key, dependency.Key, dependency.CacheId);
lock (_dependenciesStatus.SyncRoot)
{
if (_dependenciesKeyMap.Contains(item))
{
ClusteredArrayList dependentKeys = _dependenciesKeyMap[item] as ClusteredArrayList;
if (dependentKeys != null)
{
dependentKeys.Remove(key);
if (dependentKeys.Count > 0)
{
return(false);
}
}
_dependenciesKeyMap.Remove(item);
}
if (_dependenciesStatus.Contains(item))
{
_dependenciesStatus.Remove(item);
}
else
{
return(false);
}
}
return(true);
}
internal ISyncCache GetSyncCacheInstance(CacheSyncDependency dependency)
{
if (_synCaches.Contains(dependency.CacheId))
{
return(_synCaches[dependency.CacheId] as ISyncCache);
}
return(dependency.SyncCache);
}
public void RemoveDependency(object key, CacheSyncDependency dependency)
{
if (_context.IsDbSyncCoordinator)
{
if (dependency == null)
{
return;
}
try
{
SyncItem item = new SyncItem(key, dependency.Key, dependency.CacheId);
lock (_dependenciesStatus.SyncRoot)
{
if (_dependenciesKeyMap.Contains(item))
{
ClusteredArrayList dependentKeys = _dependenciesKeyMap[item] as ClusteredArrayList;
if (dependentKeys != null)
{
dependentKeys.Remove(key);
if (dependentKeys.Count > 0)
{
return;
}
}
_dependenciesKeyMap.Remove(item);
}
if (_dependenciesStatus.Contains(item))
{
_dependenciesStatus.Remove(item);
}
else
{
return;
}
}
ISyncCache syncCache = _synCaches[item.CacheId] as ISyncCache;
ISyncCacheEventsListener listener = _listeners[item.CacheId] as ISyncCacheEventsListener;
if (syncCache != null && listener != null)
{
syncCache.UnRegisterSyncKeyNotifications((string)item.Key, listener);
}
}
catch (Exception e)
{
NCacheLog.Error("CacheSyncManager:", e.ToString());
}
}
else
{
lock (_inactiveDependencies.SyncRoot)
{
_inactiveDependencies.Remove(key);
}
}
}
/// <summary>
/// Initializes all the inactive dependencies.
/// </summary>
public void ActivateDependencies()
{
try
{
IDictionaryEnumerator iDic = _inactiveDependencies.GetEnumerator();
while (iDic.MoveNext())
{
SyncItem item = (SyncItem)iDic.Key;
CacheSyncDependency dependency = (CacheSyncDependency)iDic.Value;
AddDependency(item.ThisKey, dependency);
}
lock (_inactiveDependencies.SyncRoot)
{
_inactiveDependencies.Clear();
}
}
catch (Exception e)
{
NCacheLog.Error("CacheSyncManager.ActivateDependencies()", e.ToString());
}
}
public void RemoveBulkDependencies(ArrayList keys, IList <CacheSyncDependency> dependencies)
{
string key = null;
CacheSyncDependency dependency = null;
Hashtable dependencyList = new Hashtable();
ISyncCache syncCache = null;
for (int i = 0; i < keys.Count; i++)
{
key = keys[i] as string;
dependency = dependencies[i];
if (_context.IsDbSyncCoordinator)
{
if (dependency == null)
{
return;
}
try
{
if (RemoveCacheSyncDependencyInternal(key, dependency))
{
List <string> dependencyKeyList = dependencyList[dependency.CacheId] as List <string>;
syncCache = _synCaches[dependency.CacheId] as ISyncCache;
if (dependencyKeyList == null)
{
dependencyKeyList = new List <string>(keys.Count);
dependencyList.Add(dependency.CacheId, dependencyKeyList);
}
dependencyKeyList.Add(dependency.Key);
}
}
catch (Exception e)
{
NCacheLog.Error("CacheSyncManager.RemoveBulkDependencies", e.ToString());
}
}
else
{
lock (_inactiveDependencies.SyncRoot)
{
_inactiveDependencies.Remove(key);
}
}
}
if (dependencyList.Count > 0)
{
IDictionaryEnumerator ide = dependencyList.GetEnumerator();
while (ide.MoveNext())
{
try
{
SyncEventListener listener = _listeners[ide.Key] as SyncEventListener;
syncCache = _synCaches[ide.Key] as ISyncCache;
List <string> depdencyKeyList = ide.Value as List <string>;
if (syncCache != null && listener != null)
{
syncCache.UnRegisterBulkSyncKeyNotifications(depdencyKeyList.ToArray(), listener);
}
}
catch (Exception e)
{
NCacheLog.Error("CacheSyncManager.RemoveBulkDependencies", e.ToString());
}
}
}
}
public void AddDependency(object key, CacheSyncDependency dependency)
{
if (_context.IsDbSyncCoordinator)
{
ISyncCache syncCache = dependency.SyncCache;
SyncEventListener listener = null;
if (dependency != null && dependency.CacheId != null)
{
lock (_dependenciesStatus.SyncRoot)
{
SyncItem syncItem = new SyncItem(key, dependency.Key, dependency.CacheId);
ClusteredArrayList dependentKeys = null;
if (!_dependenciesKeyMap.Contains(syncItem))
{
dependentKeys = new ClusteredArrayList();
dependentKeys.Add(syncItem.ThisKey);
_dependenciesKeyMap.Add(syncItem, dependentKeys);
}
else
{
dependentKeys = _dependenciesKeyMap[syncItem] as ClusteredArrayList;
if (!dependentKeys.Contains(syncItem.ThisKey))
{
dependentKeys.Add(syncItem.ThisKey);
}
}
if (!_dependenciesStatus.Contains(syncItem))
{
_dependenciesStatus.Add(syncItem, DependencyStatus.Unchanged);
}
if (_synCaches.Contains(dependency.CacheId))
{
syncCache = _synCaches[dependency.CacheId] as ISyncCache;
listener = _listeners[dependency.CacheId] as SyncEventListener;
}
else
{
//// Only the coordinator or sub-coordinator(inacse of POR) can initialize
//// SyncCache.
syncCache.Initialize();
_synCaches.Add(dependency.CacheId, syncCache);
if (_listeners.Contains(dependency.CacheId))
{
listener = _listeners[dependency.CacheId] as SyncEventListener;
}
else
{
listener = new SyncEventListener(dependency.CacheId, this);
_listeners.Add(dependency.CacheId, listener);
}
}
if (dependentKeys != null && dependentKeys.Count < 2)
{
syncCache.RegisterSyncKeyNotifications((string)syncItem.Key, listener, CallbackType.PushBasedNotification);
}
}
}
}
else
{
SyncItem syncItem = new SyncItem(key, dependency.Key, dependency.CacheId);
lock (_inactiveDependencies.SyncRoot)
{
if (!_inactiveDependencies.Contains(syncItem))
{
_inactiveDependencies.Add(syncItem, dependency);
}
}
}
}
private bool AddDependencyInternal(string key, CacheSyncDependency dependency)
{
SyncEventListener listener = null;
ISyncCache syncCache = dependency.SyncCache;
if (dependency != null && dependency.CacheId != null)
{
lock (_dependenciesStatus.SyncRoot)
{
SyncItem syncItem = new SyncItem(key, dependency.Key, dependency.CacheId);
ClusteredArrayList dependentKeys = null;
if (!_dependenciesKeyMap.Contains(syncItem))
{
dependentKeys = new ClusteredArrayList();
dependentKeys.Add(syncItem.ThisKey);
_dependenciesKeyMap.Add(syncItem, dependentKeys);
}
else
{
dependentKeys = _dependenciesKeyMap[syncItem] as ClusteredArrayList;
if (!dependentKeys.Contains(syncItem.ThisKey))
{
dependentKeys.Add(syncItem.ThisKey);
}
}
if (!_dependenciesStatus.Contains(syncItem))
{
_dependenciesStatus.Add(syncItem, DependencyStatus.Unchanged);
}
if (_synCaches.Contains(dependency.CacheId))
{
syncCache = _synCaches[dependency.CacheId] as ISyncCache;
listener = _listeners[dependency.CacheId] as SyncEventListener;
}
else
{
_synCaches.Add(dependency.CacheId, syncCache);
if (_listeners.Contains(dependency.CacheId))
{
listener = _listeners[dependency.CacheId] as SyncEventListener;
}
else
{
listener = new SyncEventListener(dependency.CacheId, this);
_listeners.Add(dependency.CacheId, listener);
}
}
///This registering for every key needs reviewing
if (dependentKeys != null && dependentKeys.Count < 2)
{
return(true);
}
}
}
return(false);
}
