76 lines
2.6 KiB
Java
76 lines
2.6 KiB
Java
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.lucene;
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import static java.util.concurrent.TimeUnit.MILLISECONDS;
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import static java.util.concurrent.TimeUnit.MINUTES;
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import com.google.common.collect.ImmutableMap;
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import com.google.gerrit.server.config.ConfigUtil;
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import org.apache.lucene.analysis.standard.StandardAnalyzer;
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import org.apache.lucene.analysis.util.CharArraySet;
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import org.apache.lucene.index.IndexWriterConfig;
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import org.apache.lucene.index.IndexWriterConfig.OpenMode;
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import org.eclipse.jgit.lib.Config;
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/** Combination of Lucene {@link IndexWriterConfig} with additional Gerrit-specific options. */
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class GerritIndexWriterConfig {
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private static final ImmutableMap<String, String> CUSTOM_CHAR_MAPPING =
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ImmutableMap.of("_", " ", ".", " ");
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private final IndexWriterConfig luceneConfig;
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private long commitWithinMs;
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private final CustomMappingAnalyzer analyzer;
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GerritIndexWriterConfig(Config cfg, String name) {
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analyzer =
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new CustomMappingAnalyzer(
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new StandardAnalyzer(CharArraySet.EMPTY_SET), CUSTOM_CHAR_MAPPING);
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luceneConfig =
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new IndexWriterConfig(analyzer)
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.setOpenMode(OpenMode.CREATE_OR_APPEND)
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.setCommitOnClose(true);
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double m = 1 << 20;
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luceneConfig.setRAMBufferSizeMB(
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cfg.getLong(
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"index",
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name,
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"ramBufferSize",
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(long) (IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB * m))
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/ m);
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luceneConfig.setMaxBufferedDocs(
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cfg.getInt("index", name, "maxBufferedDocs", IndexWriterConfig.DEFAULT_MAX_BUFFERED_DOCS));
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try {
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commitWithinMs =
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ConfigUtil.getTimeUnit(
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cfg, "index", name, "commitWithin", MILLISECONDS.convert(5, MINUTES), MILLISECONDS);
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} catch (IllegalArgumentException e) {
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commitWithinMs = cfg.getLong("index", name, "commitWithin", 0);
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}
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}
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CustomMappingAnalyzer getAnalyzer() {
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return analyzer;
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}
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IndexWriterConfig getLuceneConfig() {
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return luceneConfig;
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}
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long getCommitWithinMs() {
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return commitWithinMs;
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}
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}
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