DeleteResult <JSONDocument> IDocumentStore.DeleteDocument(RemoveOperation operation)
{
UsageStats stats = new UsageStats();
stats.BeginSample();
DeleteResult <JSONDocument> result = new DeleteResult <JSONDocument>();
CacheItem cItem;
if (!_cache.ContainsKey(operation.RowId))
{
//TODO: Read-through
if (!_persistenceManager.MetadataIndex(_parent.Name).ContainsRowId(operation.RowId))
{
if (LoggerManager.Instance.StorageLogger != null && LoggerManager.Instance.StorageLogger.IsWarnEnabled)
{
LoggerManager.Instance.StorageLogger.Warn("Delete : document not found.", "Document not found while deleting in metadataIndex. rowId = " + operation.RowId + " collection = " + Name);
}
AddFailedOperation(operation);
return(result);
}
cItem = LoadDocument(operation.RowId, operation.Context);
}
else
{
cItem = CacheGet(operation.RowId);
}
//Remove an item from eviction index, so that it's not marked for eviction.
if (cItem != null)
{
_evictionPolicy.Remove(operation.RowId, cItem.EvictionHint);
}
result.Document = cItem.Document;
result.RowId = operation.RowId;
//_cache.Remove(operation.RowId);
//CacheRemove(operation.RowId);
_indexManager.UpdateIndex(operation.RowId, result.Document, new JSONDocument(), operation.OperationId);
cItem.Flag.SetBit(BitsetConstants.DocumentDirty);
cItem.Flag.SetBit(BitsetConstants.MarkedForDeletion);
PersistenceOperation persistenceOperation = new PersistenceDeleteOperation(operation.OperationId, _parent.Name, operation.RowId, cItem, operation.Context);
AddToPersistenceDictionary(persistenceOperation);
_persistenceManager.MetadataIndex(_parent.Name).Remove(new DocumentKey(cItem.Document.Key));
if (_statsCollector != null)
{
stats.EndSample();
_statsCollector.IncrementStatsValue(StatisticsType.AvgDeleteTime, stats.Current);
_statsCollector.IncrementStatsValue(StatisticsType.DeletesPerSec);
}
return(result);
}
