| /* |
| * 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. |
| */ |
| |
| package org.apache.geode.cache.lucene.internal.xml; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.LinkedHashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.miscellaneous.PerFieldAnalyzerWrapper; |
| import org.apache.lucene.analysis.standard.StandardAnalyzer; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.lucene.LuceneIndexExistsException; |
| import org.apache.geode.cache.lucene.LuceneSerializer; |
| import org.apache.geode.cache.lucene.LuceneServiceProvider; |
| import org.apache.geode.cache.lucene.internal.LuceneServiceImpl; |
| import org.apache.geode.internal.cache.extension.Extensible; |
| import org.apache.geode.internal.cache.extension.Extension; |
| import org.apache.geode.internal.cache.xmlcache.XmlGenerator; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| public class LuceneIndexCreation implements Extension<Region<?, ?>> { |
| private Region region; |
| private String name; |
| private Set<String> fieldNames = new LinkedHashSet<String>(); |
| private Map<String, Analyzer> fieldAnalyzers; |
| |
| private static Logger logger = LogService.getLogger(); |
| private LuceneSerializer luceneSerializer; |
| |
| |
| public void setRegion(Region region) { |
| this.region = region; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public void setFieldAnalyzers(Map<String, Analyzer> fieldAnalyzers) { |
| this.fieldAnalyzers = fieldAnalyzers; |
| } |
| |
| public Map<String, Analyzer> getFieldAnalyzers() { |
| if (this.fieldAnalyzers == null) { |
| this.fieldAnalyzers = new HashMap<>(); |
| } |
| return this.fieldAnalyzers; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public String[] getFieldNames() { |
| return fieldNames.toArray(new String[fieldNames.size()]); |
| } |
| |
| public String getRegionPath() { |
| return region.getFullPath(); |
| } |
| |
| public LuceneSerializer getLuceneSerializer() { |
| return this.luceneSerializer; |
| } |
| |
| public void setLuceneSerializer(LuceneSerializer luceneSerializer) { |
| this.luceneSerializer = luceneSerializer; |
| } |
| |
| @Override |
| public XmlGenerator<Region<?, ?>> getXmlGenerator() { |
| return new LuceneIndexXmlGenerator(this); |
| } |
| |
| @Override |
| public void beforeCreate(Extensible<Region<?, ?>> source, Cache cache) { |
| LuceneServiceImpl service = (LuceneServiceImpl) LuceneServiceProvider.get(cache); |
| Analyzer analyzer = this.fieldAnalyzers == null ? new StandardAnalyzer() |
| : new PerFieldAnalyzerWrapper(new StandardAnalyzer(), this.fieldAnalyzers); |
| try { |
| service.createIndex(getName(), getRegionPath(), analyzer, this.fieldAnalyzers, |
| getLuceneSerializer(), false, getFieldNames()); |
| } catch (LuceneIndexExistsException e) { |
| logger |
| .info(String.format("Ignoring duplicate index creation for Lucene index %s on region %s", |
| e.getIndexName(), e.getRegionPath())); |
| } |
| } |
| |
| @Override |
| public void onCreate(Extensible<Region<?, ?>> source, Extensible<Region<?, ?>> target) {} |
| |
| protected void addField(String name) { |
| this.fieldNames.add(name); |
| } |
| |
| protected void addFieldAndAnalyzer(String name, Analyzer analyzer) { |
| this.fieldNames.add(name); |
| getFieldAnalyzers().put(name, analyzer); |
| } |
| |
| public void addFieldNames(String[] fieldNames) { |
| this.fieldNames.addAll(Arrays.asList(fieldNames)); |
| } |
| |
| } |