/// <summary> /// Processes the get range query. /// </summary> /// <param name="message">The message.</param> /// <param name="messageContext">The message context.</param> private void ProcessGetRangeQuery(RelayMessage message, MessageContext messageContext) { GetRangeQueryResult getRangeQueryResult = GetRangeQueryProcessor.Process(message.GetQueryObject <GetRangeQuery>(), messageContext, storeContext); bool compressOption = storeContext.GetCompressOption(message.TypeId); message.Payload = new RelayPayload(message.TypeId, message.Id, Serializer.Serialize(getRangeQueryResult, compressOption), compressOption); }
/// <summary> /// Processes the specified get range query. /// </summary> /// <param name="getRangeQuery">The get range query.</param> /// <param name="messageContext">The message context.</param> /// <param name="storeContext">The store context.</param> /// <returns>GetRangeQueryResult</returns> internal static GetRangeQueryResult Process(GetRangeQuery getRangeQuery, MessageContext messageContext, IndexStoreContext storeContext) { GetRangeQueryResult getRangeQueryResult; List <ResultItem> resultItemList = null; bool indexExists = false; int indexSize = -1; int virtualCount = -1; byte[] metadata = null; MetadataPropertyCollection metadataPropertyCollection = null; try { IndexTypeMapping indexTypeMapping = storeContext.StorageConfiguration.CacheIndexV3StorageConfig.IndexTypeMappingCollection[messageContext.TypeId]; #region Validate Query ValidateQuery(indexTypeMapping, getRangeQuery); #endregion int maxItemsPerIndex = getRangeQuery.Offset - 1 + getRangeQuery.ItemNum; Index targetIndexInfo = indexTypeMapping.IndexCollection[getRangeQuery.TargetIndexName]; int indexCap = targetIndexInfo.MaxIndexSize; #region Prepare Result #region Extract index and apply criteria if (indexTypeMapping.MetadataStoredSeperately) { IndexServerUtils.GetMetadataStoredSeperately(indexTypeMapping, messageContext.TypeId, messageContext.PrimaryId, getRangeQuery.IndexId, storeContext, out metadata, out metadataPropertyCollection); } CacheIndexInternal targetIndex = IndexServerUtils.GetCacheIndexInternal(storeContext, messageContext.TypeId, messageContext.PrimaryId, getRangeQuery.IndexId, targetIndexInfo.ExtendedIdSuffix, getRangeQuery.TargetIndexName, maxItemsPerIndex, getRangeQuery.Filter, true, getRangeQuery.IndexCondition, false, false, targetIndexInfo.PrimarySortInfo, targetIndexInfo.LocalIdentityTagList, targetIndexInfo.StringHashCodeDictionary, null, targetIndexInfo.IsMetadataPropertyCollection, metadataPropertyCollection, getRangeQuery.DomainSpecificProcessingType, storeContext.DomainSpecificConfig, null, null, false); #endregion if (targetIndex != null) { indexSize = targetIndex.OutDeserializationContext.TotalCount; virtualCount = targetIndex.VirtualCount; indexExists = true; #region Dynamic tag sort if (getRangeQuery.TagSort != null) { targetIndex.Sort(getRangeQuery.TagSort); } #endregion // update perf counter PerformanceCounters.Instance.SetCounterValue( PerformanceCounterEnum.NumOfItemsInIndexPerGetRangeQuery, messageContext.TypeId, indexSize); PerformanceCounters.Instance.SetCounterValue( PerformanceCounterEnum.NumOfItemsReadPerGetRangeQuery, messageContext.TypeId, targetIndex.OutDeserializationContext.ReadItemCount); #region Populate resultLists resultItemList = CacheIndexInternalAdapter.GetResultItemList(targetIndex, getRangeQuery.Offset, getRangeQuery.ItemNum); #endregion #region Get data if (!getRangeQuery.ExcludeData) { DataTierUtil.GetData(resultItemList, null, storeContext, messageContext, indexTypeMapping.FullDataIdFieldList, getRangeQuery.FullDataIdInfo); } #endregion #region Get metadata if (getRangeQuery.GetMetadata && !indexTypeMapping.MetadataStoredSeperately) { IndexServerUtils.GetMetadataStoredWithIndex(indexTypeMapping, new List <CacheIndexInternal>(1) { targetIndex }, out metadata, out metadataPropertyCollection); } #endregion #endregion } getRangeQueryResult = new GetRangeQueryResult(indexExists, indexSize, metadata, metadataPropertyCollection, resultItemList, virtualCount, indexCap, null); } catch (Exception ex) { getRangeQueryResult = new GetRangeQueryResult(false, -1, null, null, null, -1, 0, ex.Message); LoggingUtil.Log.ErrorFormat("TypeId {0} -- Error processing GetRangeQuery : {1}", messageContext.TypeId, ex); } return(getRangeQueryResult); }