| using Lucene.Net.Diagnostics; |
| using System; |
| |
| namespace Lucene.Net.Index |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| using IndexReaderWarmer = Lucene.Net.Index.IndexWriter.IndexReaderWarmer; |
| using InfoStream = Lucene.Net.Util.InfoStream; |
| |
| /// <summary> |
| /// A very simple merged segment warmer that just ensures |
| /// data structures are initialized. |
| /// </summary> |
| public class SimpleMergedSegmentWarmer : IndexReaderWarmer |
| { |
| private readonly InfoStream infoStream; |
| |
| /// <summary> |
| /// Creates a new <see cref="SimpleMergedSegmentWarmer"/> </summary> |
| /// <param name="infoStream"> <see cref="InfoStream"/> to log statistics about warming. </param> |
| public SimpleMergedSegmentWarmer(InfoStream infoStream) |
| { |
| this.infoStream = infoStream; |
| } |
| |
| public override void Warm(AtomicReader reader) |
| { |
| long startTime = Environment.TickCount; |
| int indexedCount = 0; |
| int docValuesCount = 0; |
| int normsCount = 0; |
| foreach (FieldInfo info in reader.FieldInfos) |
| { |
| if (info.IsIndexed) |
| { |
| reader.GetTerms(info.Name); |
| indexedCount++; |
| |
| if (info.HasNorms) |
| { |
| reader.GetNormValues(info.Name); |
| normsCount++; |
| } |
| } |
| |
| if (info.HasDocValues) |
| { |
| switch (info.DocValuesType) |
| { |
| case DocValuesType.NUMERIC: |
| reader.GetNumericDocValues(info.Name); |
| break; |
| |
| case DocValuesType.BINARY: |
| reader.GetBinaryDocValues(info.Name); |
| break; |
| |
| case DocValuesType.SORTED: |
| reader.GetSortedDocValues(info.Name); |
| break; |
| |
| case DocValuesType.SORTED_SET: |
| reader.GetSortedSetDocValues(info.Name); |
| break; |
| |
| default: |
| if (Debugging.AssertsEnabled) Debugging.Assert(false); // unknown dv type |
| break; |
| } |
| docValuesCount++; |
| } |
| } |
| |
| reader.Document(0); |
| reader.GetTermVectors(0); |
| |
| if (infoStream.IsEnabled("SMSW")) |
| { |
| infoStream.Message("SMSW", "Finished warming segment: " + reader + ", indexed=" + indexedCount + ", docValues=" + docValuesCount + ", norms=" + normsCount + ", time=" + (Environment.TickCount - startTime)); |
| } |
| } |
| } |
| } |