/// <summary>
/// Gets the result item list.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="itemPositionList">The item position list.</param>
/// <returns>List of ResultItems</returns>
internal static List<ResultItem> GetResultItemList(CacheIndexInternal cacheIndexInternal, IEnumerable<int> itemPositionList)
{
List<ResultItem> resultItemList = new List<ResultItem>();
foreach (int itemPosition in itemPositionList)
{
resultItemList.Add(new ResultItem(cacheIndexInternal.InDeserializationContext.IndexId,
cacheIndexInternal.GetItem(itemPosition).ItemId,
null,
InternalItemAdapter.ConvertToTagDictionary(cacheIndexInternal.GetItem(itemPosition).TagList, cacheIndexInternal.InDeserializationContext)));
}
return resultItemList;
}
/// <summary>
/// Gets the result item list.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="itemPositionList">The item position list.</param>
/// <returns>List of ResultItems</returns>
internal static List <ResultItem> GetResultItemList(CacheIndexInternal cacheIndexInternal, IEnumerable <int> itemPositionList)
{
List <ResultItem> resultItemList = new List <ResultItem>();
foreach (int itemPosition in itemPositionList)
{
resultItemList.Add(new ResultItem(cacheIndexInternal.InDeserializationContext.IndexId,
cacheIndexInternal.GetItem(itemPosition).ItemId,
null,
InternalItemAdapter.ConvertToTagDictionary(cacheIndexInternal.GetItem(itemPosition).TagList, cacheIndexInternal.InDeserializationContext)));
}
return(resultItemList);
}
/// <summary>
/// Gets the index data item list.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="offset">The offset.</param>
/// <param name="itemNum">If 0 gets all items.</param>
/// <returns>List of IndexDataItems</returns>
internal static List<IndexDataItem> GetIndexDataItemList(CacheIndexInternal cacheIndexInternal, int offset, int itemNum)
{
if (itemNum == Int32.MaxValue)
{
itemNum = cacheIndexInternal.Count;
}
List<IndexDataItem> resultItemList = new List<IndexDataItem>(itemNum);
if (cacheIndexInternal.Count >= offset)
{
for (int i = offset - 1; i < cacheIndexInternal.Count && resultItemList.Count < itemNum; i++)
{
resultItemList.Add(new IndexDataItem(cacheIndexInternal.GetItem(i).ItemId,
InternalItemAdapter.ConvertToTagDictionary(cacheIndexInternal.GetItem(i).TagList, cacheIndexInternal.InDeserializationContext)));
}
}
return resultItemList;
}
/// <summary>
/// Gets the index data item list.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="offset">The offset.</param>
/// <param name="itemNum">If 0 gets all items.</param>
/// <returns>List of IndexDataItems</returns>
internal static List <IndexDataItem> GetIndexDataItemList(CacheIndexInternal cacheIndexInternal, int offset, int itemNum)
{
if (itemNum == Int32.MaxValue)
{
itemNum = cacheIndexInternal.Count;
}
List <IndexDataItem> resultItemList = new List <IndexDataItem>(itemNum);
if (cacheIndexInternal.Count >= offset)
{
for (int i = offset - 1; i < cacheIndexInternal.Count && resultItemList.Count < itemNum; i++)
{
resultItemList.Add(new IndexDataItem(cacheIndexInternal.GetItem(i).ItemId,
InternalItemAdapter.ConvertToTagDictionary(cacheIndexInternal.GetItem(i).TagList, cacheIndexInternal.InDeserializationContext)));
}
}
return(resultItemList);
}
/// <summary>
/// Repositions the index item.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="indexInfo">The index info.</param>
/// <param name="addItem">The add item.</param>
/// <param name="searchIndex">Index of the search.</param>
/// <param name="internalItem">The internal item.</param>
/// <param name="comparer">The comparer.</param>
private static void RepositionIndexItem(CacheIndexInternal cacheIndexInternal, Index indexInfo, IndexDataItem addItem, int searchIndex, InternalItem internalItem, InternalItemComparer comparer)
{
// Remove the Item from current position
cacheIndexInternal.DeleteItem(searchIndex, false);
// Determine where to insert the Item
int newSearchIndex = cacheIndexInternal.GetInsertPosition(addItem, indexInfo.PrimarySortInfo.SortOrderList[0].SortBy, comparer);
// insert the item at new position
cacheIndexInternal.InsertItem(internalItem, newSearchIndex, false);
}
/// <summary>
/// Updates the existing index item.
/// </summary>
/// <param name="clientIndex">Index from the client.</param>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="indexInfo">The index info.</param>
/// <param name="addItem">The add item.</param>
/// <param name="searchIndex">Index to search.</param>
/// <param name="storeContext">The store context.</param>
/// <param name="comparer">The comparer.</param>
private static void UpdateExistingIndexItem(CacheIndex clientIndex, CacheIndexInternal cacheIndexInternal, Index indexInfo, IndexDataItem addItem, int searchIndex, IndexStoreContext storeContext, InternalItemComparer comparer)
{
InternalItem internalItem = cacheIndexInternal.InternalItemList[searchIndex];
if (clientIndex.TargetIndexName != null) //Save to single index
{
if (addItem.Tags != null && addItem.Tags.Count > 0)
{
bool reposition = IsRepositioningOfIndexItemRequired(indexInfo, addItem, internalItem);
// Update all tags on the internal item
foreach (KeyValuePair<string, byte[]> kvp in addItem.Tags)
{
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, kvp.Key);
internalItem.UpdateTag(TagHashCollection.GetTagHashCode(kvp.Key), kvp.Value);
}
// Reposition index item if required
if (reposition)
{
RepositionIndexItem(cacheIndexInternal, indexInfo, addItem, searchIndex, internalItem, comparer);
}
}
}
else //Save to multiple indexes
{
if (addItem.Tags != null && addItem.Tags.Count > 0)
{
List<string> tagNameList;
byte[] tagValue;
clientIndex.IndexTagMapping.TryGetValue(cacheIndexInternal.InDeserializationContext.IndexName, out tagNameList);
bool reposition = IsRepositioningOfIndexItemRequired(indexInfo, addItem, internalItem);
// Update all tags on the internal item
foreach (string tagName in tagNameList)
{
//Add to tagHashCollection
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, tagName);
addItem.TryGetTagValue(tagName, out tagValue);
internalItem.UpdateTag(TagHashCollection.GetTagHashCode(tagName), tagValue);
}
// Reposition index item if required
if (reposition)
{
RepositionIndexItem(cacheIndexInternal, indexInfo, addItem, searchIndex, internalItem, comparer);
}
}
}
}
/// <summary>
/// Adds the new item.
/// </summary>
/// <param name="clientIndex">Index from the client.</param>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="indexInfo">The index info.</param>
/// <param name="addItem">The add item.</param>
/// <param name="storeContext">The store context.</param>
/// <param name="comparer">The comparer.</param>
private static void AddNewItem(CacheIndex clientIndex,
CacheIndexInternal cacheIndexInternal,
Index indexInfo, IndexDataItem addItem,
IndexStoreContext storeContext,
InternalItemComparer comparer)
{
int searchIndex;
List<KeyValuePair<int, byte[]>> kvpList;
searchIndex = cacheIndexInternal.GetInsertPosition(addItem, indexInfo.PrimarySortInfo.SortOrderList[0].SortBy, comparer);
//Add item to CacheIndexInternal
kvpList = null;
if (addItem.Tags != null && addItem.Tags.Count > 0)
{
kvpList = new List<KeyValuePair<int, byte[]>>();
if (clientIndex.TargetIndexName != null) //Save to single index
{
foreach (KeyValuePair<string, byte[]> kvp in addItem.Tags)
{
//Add to tagHashCollection
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, kvp.Key);
kvpList.Add(new KeyValuePair<int, byte[]>(TagHashCollection.GetTagHashCode(kvp.Key), kvp.Value));
}
}
else //Save to multiple indexes
{
List<string> tagNameList;
clientIndex.IndexTagMapping.TryGetValue(cacheIndexInternal.InDeserializationContext.IndexName, out tagNameList);
foreach (string tagName in tagNameList)
{
//Add to tagHashCollection
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, tagName);
kvpList.Add(new KeyValuePair<int, byte[]>(TagHashCollection.GetTagHashCode(tagName), addItem.Tags[tagName]));
}
}
}
cacheIndexInternal.InsertItem(new InternalItem { ItemId = addItem.ItemId, TagList = kvpList }, searchIndex, true);
}
/// <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);
}
}
}
/// <summary>
/// Gets the CacheIndexInternal.
/// </summary>
/// <param name="storeContext">The store context.</param>
/// <param name="typeId">The type id.</param>
/// <param name="primaryId">The primary id.</param>
/// <param name="indexId">The index id.</param>
/// <param name="extendedIdSuffix">The extended id suffix.</param>
/// <param name="indexName">Name of the index.</param>
/// <param name="count">The count.</param>
/// <param name="filter">The filter.</param>
/// <param name="inclusiveFilter">if set to <c>true</c> includes the items that pass the filter; otherwise , <c>false</c>.</param>
/// <param name="indexCondition">The index condition.</param>
/// <param name="deserializeHeaderOnly">if set to <c>true</c> if just CacheIndexInternal header is to be deserialized; otherwise, <c>false</c>.</param>
/// <param name="getFilteredItems">if set to <c>true</c> get filtered items; otherwise, <c>false</c>.</param>
/// <param name="primarySortInfo">The primary sort info.</param>
/// <param name="localIdentityTagNames">The local identity tag names.</param>
/// <param name="stringHashCodeDictionary">The string hash code dictionary.</param>
/// <param name="capCondition">The cap condition.</param>
/// <returns>CacheIndexInternal</returns>
internal static CacheIndexInternal GetCacheIndexInternal(IndexStoreContext storeContext,
short typeId,
int primaryId,
byte[] indexId,
short extendedIdSuffix,
string indexName,
int count,
Filter filter,
bool inclusiveFilter,
IndexCondition indexCondition,
bool deserializeHeaderOnly,
bool getFilteredItems,
PrimarySortInfo primarySortInfo,
List<string> localIdentityTagNames,
Dictionary<int, bool> stringHashCodeDictionary,
CapCondition capCondition)
{
CacheIndexInternal cacheIndexInternal = null;
byte[] extendedId = FormExtendedId(indexId, extendedIdSuffix);
RelayMessage getMsg = new RelayMessage(typeId, primaryId, extendedId, MessageType.Get);
storeContext.IndexStorageComponent.HandleMessage(getMsg);
if (getMsg.Payload != null) //CacheIndex exists
{
cacheIndexInternal = new CacheIndexInternal
{
InDeserializationContext = new InDeserializationContext
{
TypeId = getMsg.TypeId,
TagHashCollection = storeContext.TagHashCollection,
IndexId = indexId,
IndexName = indexName,
MaxItemsPerIndex = count,
Filter = filter,
InclusiveFilter = inclusiveFilter,
IndexCondition = indexCondition,
DeserializeHeaderOnly = deserializeHeaderOnly,
CollectFilteredItems = getFilteredItems,
PrimarySortInfo = primarySortInfo,
LocalIdentityTagNames = localIdentityTagNames,
StringHashCollection = storeContext.StringHashCollection,
StringHashCodeDictionary = stringHashCodeDictionary,
CapCondition = capCondition
}
};
// This mess is required until Moods 2.0 migrated to have IVersionSerializable version of CacheIndexInternal
// ** TBD - Should be removed later
if (LegacySerializationUtil.Instance.IsSupported(getMsg.TypeId))
{
MemoryStream stream = new MemoryStream(getMsg.Payload.ByteArray);
cacheIndexInternal.Deserialize(new CompactBinaryReader(stream));
}
else
{
getMsg.GetObject(cacheIndexInternal);
}
}
return cacheIndexInternal;
}
/// <summary>
/// Gets the tags.
/// </summary>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="searchItem">The search item.</param>
/// <param name="resultItem">The result item.</param>
internal static void GetTags(CacheIndexInternal cacheIndexInternal, IndexItem searchItem, IndexItem resultItem)
{
int searchIndex = cacheIndexInternal.Search(searchItem);
if (searchIndex > -1)
{
IndexItem tempIndexItem = InternalItemAdapter.ConvertToIndexItem(cacheIndexInternal.GetItem(searchIndex), cacheIndexInternal.InDeserializationContext);
foreach (KeyValuePair<string, byte[]> kvp in tempIndexItem.Tags)
{
if (!resultItem.Tags.ContainsKey(kvp.Key))
{
resultItem.Tags.Add(kvp.Key, kvp.Value);
}
}
}
}
/// <summary>
/// Gets the index header.
/// </summary>
/// <param name="targetIndex">Index of the target.</param>
/// <param name="indexTypeMapping">The index type mapping.</param>
/// <param name="typeId">The type id.</param>
/// <param name="primaryId">The primary id.</param>
/// <param name="storeContext">The store context.</param>
/// <returns>IndexHeader</returns>
private static IndexHeader GetIndexHeader(CacheIndexInternal targetIndex,
IndexTypeMapping indexTypeMapping,
short typeId,
int primaryId,
IndexStoreContext storeContext)
{
IndexHeader indexHeader = new IndexHeader();
#region Metadata
if (indexTypeMapping.MetadataStoredSeperately)
{
#region Check if metadata is stored seperately
//Send a get message to local index storage and fetch seperately stored metadata
RelayMessage getMsg = new RelayMessage(typeId, primaryId, targetIndex.InDeserializationContext.IndexId, MessageType.Get);
storeContext.IndexStorageComponent.HandleMessage(getMsg);
if (getMsg.Payload != null)
{
indexHeader.Metadata = getMsg.Payload.ByteArray;
}
#endregion
}
else
{
#region Check metadata on targetIndex
if (indexTypeMapping.IndexCollection[targetIndex.InDeserializationContext.IndexName].MetadataPresent)
{
indexHeader.Metadata = targetIndex.Metadata;
}
#endregion
}
#endregion
#region VirtualCount
indexHeader.VirtualCount = targetIndex.VirtualCount;
#endregion
return indexHeader;
}
