com.mathworks.xzheng.admin.CreateThreadedIndexTask.java Source code

Introduction

Here is the source code for com.mathworks.xzheng.admin.CreateThreadedIndexTask.java

Source

package com.mathworks.xzheng.admin;

/**
 * Copyright Manning Publications Co.
 *
 * 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 lan      
*/

import java.io.IOException;

import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.tasks.CreateIndexTask;
import org.apache.lucene.benchmark.byTask.utils.Config;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.util.Version;

// From chapter 11

/** A task that you can use from a contrib/benchmark
 *  algorithm to create a ThreadedIndexWriter. */

public class CreateThreadedIndexTask extends CreateIndexTask {

    public CreateThreadedIndexTask(PerfRunData runData) {
        super(runData);
    }

    public int doLogic() throws IOException {
        PerfRunData runData = getRunData();
        Config config = runData.getConfig();

        IndexWriterConfig writerConfig = new IndexWriterConfig(Version.LUCENE_46, runData.getAnalyzer());
        writerConfig.setOpenMode(IndexWriterConfig.OpenMode.CREATE);

        writerConfig = CreateIndexTask.createWriterConfig(config, runData, IndexWriterConfig.OpenMode.CREATE,
                writerConfig.getIndexCommit());

        IndexWriter writer = new ThreadedIndexWriter(runData.getDirectory(), writerConfig,
                config.get("writer.num.threads", 4), config.get("writer.max.thread.queue.size", 20));
        runData.setIndexWriter(writer);
        return 1;
    }
}