Java tutorial
/* * Copyright (c) www.bugull.com * * Licensed 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 com.bugull.mongo.lucene.backend; import com.bugull.mongo.BuguEntity; import com.bugull.mongo.cache.FieldsCache; import com.bugull.mongo.lucene.holder.IndexWriterHolder; import com.bugull.mongo.utils.MapperUtil; import java.io.IOException; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.lucene.document.Document; import org.apache.lucene.index.CorruptIndexException; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.Term; /** * * @author Frank Wen(xbwen@hotmail.com) */ public class IndexUpdateJob implements IndexJob { private final static Logger logger = LogManager.getLogger(IndexUpdateJob.class.getName()); private BuguEntity obj; public IndexUpdateJob(BuguEntity obj) { this.obj = obj; } @Override public void doJob() { Class<?> clazz = obj.getClass(); String name = MapperUtil.getEntityName(clazz); IndexWriterHolder holder = IndexWriterHolder.getInstance(); IndexWriter writer = holder.get(name); Document doc = new Document(); IndexCreator creator = new IndexCreator(obj, ""); creator.create(doc); Term term = new Term(FieldsCache.getInstance().getIdFieldName(clazz), obj.getId()); try { writer.updateDocument(term, doc); } catch (CorruptIndexException ex) { logger.error("IndexWriter can not update the document", ex); } catch (IOException ex) { logger.error("IndexWriter can not update the document", ex); } } }