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Lucene example source code file (AddDocTask.java)

This example Lucene source code file (AddDocTask.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

adddoctask, adddoctask, docmaker, docmaker, document, exception, exception, override, override, perftask, string

The Lucene AddDocTask.java source code

package org.apache.lucene.benchmark.byTask.tasks;

/**
 * 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.
 */

import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.feeds.DocMaker;
import org.apache.lucene.document.Document;

/**
 * Add a document, optionally with of a certain size.
 * <br>Other side effects: none.
 * <br>Takes optional param: document size. 
 */
public class AddDocTask extends PerfTask {

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

  private int docSize = 0;
  
  // volatile data passed between setup(), doLogic(), tearDown().
  private Document doc = null;
  
  @Override
  public void setup() throws Exception {
    super.setup();
    DocMaker docMaker = getRunData().getDocMaker();
    if (docSize > 0) {
      doc = docMaker.makeDocument(docSize);
    } else {
      doc = docMaker.makeDocument();
    }
  }

  @Override
  public void tearDown() throws Exception {
    doc = null;
    super.tearDown();
  }

  @Override
  protected String getLogMessage(int recsCount) {
    return "added " + recsCount + " docs";
  }
  
  @Override
  public int doLogic() throws Exception {
    getRunData().getIndexWriter().addDocument(doc);
    return 1;
  }

  /**
   * Set the params (docSize only)
   * @param params docSize, or 0 for no limit.
   */
  @Override
  public void setParams(String params) {
    super.setParams(params);
    docSize = (int) Float.parseFloat(params); 
  }

  /* (non-Javadoc)
   * @see org.apache.lucene.benchmark.byTask.tasks.PerfTask#supportsParams()
   */
  @Override
  public boolean supportsParams() {
    return true;
  }
  
}

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