public IEntryProcessorResult ProcessEntry(string key, IEntryProcessor entryProcessor, Object[] arguments, BitSet writeOptionFlag, String defaultWriteThru, OperationContext operationContext)
{
IEntryProcessorResult result = null;
EPCacheEntry epEntry = null;
try {
epEntry = GetEPCacheEntry(key, entryProcessor.IgnoreLock(), operationContext);
object value = null;
if (epEntry != null && epEntry.CacheEntry != null)
{
value = epEntry.CacheEntry.Value;
}
NCacheMutableEntry mutableEntry = new NCacheMutableEntry(key, value);
result = new EntryProcessorResult(key, entryProcessor.ProcessEntry(mutableEntry, arguments));
if (mutableEntry.IsUpdated)
{
epEntry.CacheEntry = MakeCacheEntry(epEntry.CacheEntry, mutableEntry.Value);
UpdateEPCacheEntry(key, epEntry, writeOptionFlag, defaultWriteThru);
}
else if (mutableEntry.IsRemoved)
{
RemoveEPCacheEntry(key, epEntry, writeOptionFlag, defaultWriteThru);
}
} catch (EntryProcessorException ex) {
return(new EntryProcessorResult(key, ex));
} catch (Exception ex) {
return(new EntryProcessorResult(key, new EntryProcessorException(ex)));
}
finally
{
if (epEntry != null && epEntry.LockHandle != null)
{
try {
_cacheRoot.Unlock(key, epEntry.LockHandle.LockId, false, new OperationContext());
} catch (Exception ex)
{
_context.NCacheLog.Error("EntryProcessorManager.ProcesssEntry", "exception is thrown while unlocking key: " + key.ToString() + ex.Message);
}
}
}
return(result);
}
private void RemoveEPCacheEntry(string key, EPCacheEntry epCacheEntry, BitSet flag, String writethruProvider)
{
CacheEntry entry = epCacheEntry.CacheEntry;
object lockID = null;
LockAccessType lockAccess = LockAccessType.IGNORE_LOCK;
if (epCacheEntry.LockHandle != null)
{
lockAccess = LockAccessType.DEFAULT;
lockID = epCacheEntry.LockHandle.LockId;
}
OperationContext operationContext = new OperationContext(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
_cacheRoot.Remove(key, flag, null, lockID, 0, lockAccess, writethruProvider, operationContext);
}
private void UpdateEPCacheEntry(Object key, EPCacheEntry epCacheEntry, BitSet writeOptionFlag, String writethruProvider)
{
CacheEntry entry = epCacheEntry.CacheEntry;
OperationContext operationContext = new OperationContext(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
object value;
if (entry.Value is CallbackEntry)
{
value = ((CallbackEntry)entry.Value).Value;
}
else
{
value = entry.Value;
}
object obj = _context.CachingSubSystemDataService.GetClientData(value, ref writeOptionFlag, Common.Util.LanguageContext.DOTNET);
_cacheRoot.Insert(key, obj, entry.ExpirationHint, entry.SyncDependency, entry.EvictionHint, entry.GroupInfo != null ? entry.GroupInfo.Group : null, entry.GroupInfo != null ? entry.GroupInfo.SubGroup : null, entry.QueryInfo, writeOptionFlag, entry.LockId != null ? entry.LockId : null, entry.Version, entry.LockAccessType, writethruProvider, entry.ResyncProviderName != null ? entry.ResyncProviderName : null, operationContext);
}
