/// <summary>
/// Processes the specified cache index.
/// </summary>
/// <param name="cacheIndex">Index of the cache.</param>
/// <param name="messageContext">The message context.</param>
/// <param name="storeContext">The store context.</param>
internal static void Process(CacheIndex cacheIndex, MessageContext messageContext, IndexStoreContext storeContext)
{
lock (LockingUtil.Instance.GetLock(messageContext.PrimaryId))
{
try
{
IndexTypeMapping indexTypeMapping =
storeContext.StorageConfiguration.CacheIndexV3StorageConfig.IndexTypeMappingCollection[messageContext.TypeId];
#region Extract CacheIndex and Validate from incoming message
ValidateSave(cacheIndex);
#endregion
#region Log CacheIndex before processing
StringBuilder dbgIndexInfo = null;
if (LoggingUtil.Log.IsDebugEnabled)
{
dbgIndexInfo = new StringBuilder();
dbgIndexInfo.Append("TypeId=").Append(messageContext.TypeId).Append(Environment.NewLine);
dbgIndexInfo.Append(IndexServerUtils.GetPrintableCacheIndex(cacheIndex,
storeContext.TagHashCollection,
messageContext.TypeId));
}
#endregion
#region Init vars
List <RelayMessage> indexStorageMessageList = new List <RelayMessage>();
List <RelayMessage> dataStorageMessageList = new List <RelayMessage>();
List <CacheIndexInternal> internalIndexList = new List <CacheIndexInternal>();
List <IndexItem> cappedDeleteItemList = new List <IndexItem>();
CacheIndexInternal internalIndex;
#endregion
if (cacheIndex.IndexVirtualCountMapping == null)
{
#region Save Items
#region Extract CacheIndexInternal from index storage
if (cacheIndex.TargetIndexName == null) //Save to multiple indexes
{
#region Get CacheIndexInternal for multiple indexes
foreach (KeyValuePair <string /*IndexName*/, List <string> /*TagNameList*/> kvp in cacheIndex.IndexTagMapping)
{
Index indexInfo = indexTypeMapping.IndexCollection[kvp.Key];
internalIndex = IndexServerUtils.GetCacheIndexInternal(storeContext,
messageContext.TypeId,
cacheIndex.PrimaryId,
cacheIndex.IndexId,
indexInfo.ExtendedIdSuffix,
kvp.Key,
0,
null,
true,
null,
false,
false,
indexInfo.PrimarySortInfo,
indexInfo.LocalIdentityTagList,
indexInfo.StringHashCodeDictionary,
null);
if (internalIndex != null)
{
// update performance counter
PerformanceCounters.Instance.SetCounterValue(
PerformanceCounterEnum.NumberOfItemsInIndexPerSave,
messageContext.TypeId,
internalIndex.OutDeserializationContext.TotalCount);
}
if (internalIndex == null || cacheIndex.ReplaceFullIndex) //CacheIndexInternal does not exists or is to be discarded
{
internalIndex = new CacheIndexInternal
{
InDeserializationContext = new InDeserializationContext
{
TypeId = messageContext.TypeId,
TagHashCollection = storeContext.TagHashCollection,
IndexId = cacheIndex.IndexId,
IndexName = kvp.Key,
InclusiveFilter = true,
PrimarySortInfo = indexInfo.PrimarySortInfo,
LocalIdentityTagNames = indexInfo.LocalIdentityTagList,
StringHashCollection = storeContext.StringHashCollection,
StringHashCodeDictionary = indexInfo.StringHashCodeDictionary
}
};
}
internalIndexList.Add(internalIndex);
}
#endregion
}
else //Save to single index
{
#region Get CacheIndexInternal for TargetIndexName
Index indexInfo = indexTypeMapping.IndexCollection[cacheIndex.TargetIndexName];
internalIndex = IndexServerUtils.GetCacheIndexInternal(storeContext,
messageContext.TypeId,
cacheIndex.PrimaryId,
cacheIndex.IndexId,
indexInfo.ExtendedIdSuffix,
cacheIndex.TargetIndexName,
0,
null,
true,
null,
false,
false,
indexInfo.PrimarySortInfo,
indexInfo.LocalIdentityTagList,
indexInfo.StringHashCodeDictionary,
null);
if (internalIndex != null)
{
// update performance counter
PerformanceCounters.Instance.SetCounterValue(
PerformanceCounterEnum.NumberOfItemsInIndexPerSave,
messageContext.TypeId,
internalIndex.OutDeserializationContext.TotalCount);
}
if (internalIndex == null || cacheIndex.ReplaceFullIndex) //CacheIndexInternal does not exists or is to be discarded
{
internalIndex = new CacheIndexInternal
{
InDeserializationContext = new InDeserializationContext
{
TypeId = messageContext.TypeId,
TagHashCollection = storeContext.TagHashCollection,
IndexId = cacheIndex.IndexId,
IndexName = cacheIndex.TargetIndexName,
InclusiveFilter = true,
PrimarySortInfo = indexInfo.PrimarySortInfo,
LocalIdentityTagNames = indexInfo.LocalIdentityTagList,
StringHashCollection = storeContext.StringHashCollection,
StringHashCodeDictionary = indexInfo.StringHashCodeDictionary
}
};
}
internalIndexList.Add(internalIndex);
#endregion
}
#endregion
#region Log CacheIndexInternals before save
if (LoggingUtil.Log.IsDebugEnabled && dbgIndexInfo != null)
{
dbgIndexInfo.Append(Environment.NewLine).Append(string.Format("BEFORE SAVE {0}",
IndexServerUtils.GetPrintableCacheIndexInternalList(
internalIndexList,
storeContext.TagHashCollection,
messageContext.TypeId)));
}
#endregion
#region Process Delete and Add List
try
{
#region Process Delete List
if (cacheIndex.DeleteList.Count > 0 && !cacheIndex.ReplaceFullIndex)
{
ProcessDeleteList(internalIndexList, cacheIndex.DeleteList, messageContext.TypeId);
}
#endregion
#region Process Add List
if (cacheIndex.AddList.Count > 0 || cacheIndex.UpdateMetadata)
{
ProcessAddList(internalIndexList, cappedDeleteItemList, cacheIndex, storeContext, indexTypeMapping);
}
#endregion
}
catch
{
LoggingUtil.Log.Debug(IndexServerUtils.GetPrintableCacheIndexInternalList(internalIndexList, storeContext.TagHashCollection, messageContext.TypeId));
throw;
}
#endregion
#region Log CacheIndexInternals after save
if (LoggingUtil.Log.IsDebugEnabled && dbgIndexInfo != null)
{
dbgIndexInfo.Append(Environment.NewLine).Append(string.Format("AFTER SAVE {0}",
IndexServerUtils.GetPrintableCacheIndexInternalList(internalIndexList,
storeContext.TagHashCollection,
messageContext.TypeId)));
}
#endregion
#region Data store relay messages for deletes and saves
if (DataTierUtil.ShouldForwardToDataTier(messageContext.RelayTTL,
messageContext.SourceZone,
storeContext.MyZone,
indexTypeMapping.IndexServerMode) && !cacheIndex.PreserveData)
{
byte[] fullDataId;
short relatedTypeId;
if (!storeContext.TryGetRelatedIndexTypeId(messageContext.TypeId, out relatedTypeId))
{
LoggingUtil.Log.ErrorFormat("Invalid RelatedTypeId for TypeId - {0}", messageContext.TypeId);
throw new Exception("Invalid RelatedTypeId for TypeId - " + messageContext.TypeId);
}
#region Delete Messages
foreach (IndexItem indexItem in cacheIndex.DeleteList)
{
fullDataId = DataTierUtil.GetFullDataId(cacheIndex.IndexId, indexItem, indexTypeMapping.FullDataIdFieldList);
if (fullDataId != null)
{
dataStorageMessageList.Add(new RelayMessage(relatedTypeId,
IndexCacheUtils.GeneratePrimaryId(fullDataId),
fullDataId,
MessageType.Delete));
}
}
#endregion
#region Save Messages
foreach (IndexDataItem indexDataItem in cacheIndex.AddList)
{
fullDataId = DataTierUtil.GetFullDataId(cacheIndex.IndexId, indexDataItem, indexTypeMapping.FullDataIdFieldList);
if (fullDataId != null)
{
dataStorageMessageList.Add(new RelayMessage(relatedTypeId,
IndexCacheUtils.GeneratePrimaryId(fullDataId),
fullDataId,
DateTime.Now,
indexDataItem.Data ?? new byte[0],
storeContext.GetCompressOption(messageContext.TypeId),
MessageType.Save));
if (indexDataItem.Data == null || indexDataItem.Data.Length == 0)
{
LoggingUtil.Log.WarnFormat("Saving null data for TypeId: {0}, IndexId: {1}, ItemId: {2}, FullDataId: {3}, PrimaryId: {4}",
relatedTypeId,
IndexCacheUtils.GetReadableByteArray(cacheIndex.IndexId),
IndexCacheUtils.GetReadableByteArray(indexDataItem.ItemId),
IndexCacheUtils.GetReadableByteArray(fullDataId),
IndexCacheUtils.GeneratePrimaryId(fullDataId));
}
}
}
#endregion
#region Capped Item Delete Messages
foreach (IndexItem indexItem in cappedDeleteItemList)
{
fullDataId = DataTierUtil.GetFullDataId(cacheIndex.IndexId, indexItem, indexTypeMapping.FullDataIdFieldList);
if (fullDataId != null)
{
dataStorageMessageList.Add(new RelayMessage(relatedTypeId,
IndexCacheUtils.GeneratePrimaryId(fullDataId),
fullDataId,
MessageType.Delete));
}
}
#endregion
#region Send relay mesaages to data store
if (dataStorageMessageList.Count > 0)
{
storeContext.ForwarderComponent.HandleMessages(dataStorageMessageList);
}
#endregion
}
#endregion
#endregion
if (dbgIndexInfo != null)
{
LoggingUtil.Log.Debug(dbgIndexInfo.ToString());
}
}
else
{
#region Update Virtual Count
foreach (KeyValuePair <string /*IndexName*/, int /*VirtualCount*/> kvp in cacheIndex.IndexVirtualCountMapping)
{
Index indexInfo = indexTypeMapping.IndexCollection[kvp.Key];
internalIndex = IndexServerUtils.GetCacheIndexInternal(storeContext,
messageContext.TypeId,
cacheIndex.PrimaryId,
cacheIndex.IndexId,
indexInfo.ExtendedIdSuffix,
kvp.Key,
0,
null,
true,
null,
true,
false,
indexInfo.PrimarySortInfo,
indexInfo.LocalIdentityTagList,
indexInfo.StringHashCodeDictionary,
null);
if (internalIndex == null)
{
internalIndex = new CacheIndexInternal
{
InDeserializationContext = new InDeserializationContext
{
TypeId = messageContext.TypeId,
TagHashCollection = storeContext.TagHashCollection,
IndexId = cacheIndex.IndexId,
IndexName = kvp.Key,
InclusiveFilter = true,
DeserializeHeaderOnly = true,
PrimarySortInfo = indexInfo.PrimarySortInfo,
LocalIdentityTagNames = indexInfo.LocalIdentityTagList,
StringHashCollection = storeContext.StringHashCollection,
StringHashCodeDictionary = indexInfo.StringHashCodeDictionary
}
};
}
else
{
// update performance counter
PerformanceCounters.Instance.SetCounterValue(
PerformanceCounterEnum.NumberOfItemsInIndexPerSave,
messageContext.TypeId,
internalIndex.OutDeserializationContext.TotalCount);
}
internalIndex.VirtualCount = kvp.Value;
internalIndexList.Add(internalIndex);
}
#endregion
}
#region Index storage relay messages for each CacheIndexInternal
#region Metadata
if (indexTypeMapping.MetadataStoredSeperately && cacheIndex.UpdateMetadata)
{
indexStorageMessageList.Add(new RelayMessage(messageContext.TypeId,
cacheIndex.PrimaryId,
cacheIndex.IndexId,
DateTime.Now,
cacheIndex.Metadata ?? new byte[0],
storeContext.GetCompressOption(messageContext.TypeId),
MessageType.Save));
}
#endregion
#region Index(es)
byte[] payload;
CompactBinaryWriter writer;
RelayMessage indexStorageMessage;
byte[] extendedId;
foreach (CacheIndexInternal cacheIndexInternal in internalIndexList)
{
extendedId = IndexServerUtils.FormExtendedId(
cacheIndex.IndexId,
indexTypeMapping.IndexCollection[cacheIndexInternal.InDeserializationContext.IndexName].ExtendedIdSuffix);
// This mess is required until Moods 2.0 migrated to have IVersionSerializable version of CacheIndexInternal
// ** TBD - Should be removed later
if (LegacySerializationUtil.Instance.IsSupported(messageContext.TypeId))
{
writer = new CompactBinaryWriter(new BinaryWriter(new MemoryStream()));
cacheIndexInternal.Serialize(writer);
payload = new byte[writer.BaseStream.Length];
writer.BaseStream.Position = 0;
writer.BaseStream.Read(payload, 0, payload.Length);
indexStorageMessage = new RelayMessage(messageContext.TypeId,
cacheIndex.PrimaryId,
extendedId,
DateTime.Now,
payload,
storeContext.GetCompressOption(messageContext.TypeId),
MessageType.Save);
}
else
{
indexStorageMessage = RelayMessage.GetSaveMessageForObject(messageContext.TypeId,
cacheIndex.PrimaryId,
extendedId,
DateTime.Now,
cacheIndexInternal,
storeContext.GetCompressOption(messageContext.TypeId));
}
indexStorageMessageList.Add(indexStorageMessage);
}
#endregion
#region Send relay mesaages to index storage
storeContext.IndexStorageComponent.HandleMessages(indexStorageMessageList);
#endregion
#endregion
}
catch (Exception ex)
{
LoggingUtil.Log.DebugFormat("CacheIndex: {0}", IndexServerUtils.GetPrintableCacheIndex(cacheIndex, storeContext.TagHashCollection, messageContext.TypeId));
throw new Exception("TypeId " + messageContext.TypeId + " -- Error processing save message.", ex);
}
}
}