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 java.io.File;
import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
/**
* Adds an input index to an existing index, using
* {@link IndexWriter#addIndexes(Directory...)} or
* {@link IndexWriter#addIndexes(IndexReader...)}. The location of the input
* index is specified by the parameter {@link #ADDINDEXES_INPUT_DIR} and is
* assumed to be a directory on the file system.
* <p>
* Takes optional parameter {@code useAddIndexesDir} which specifies which
* addIndexes variant to use (defaults to true, to use addIndexes(Directory)).
*/
public class AddIndexesTask extends PerfTask {
public static final String ADDINDEXES_INPUT_DIR = "addindexes.input.dir";
public AddIndexesTask(PerfRunData runData) {
super(runData);
}
private boolean useAddIndexesDir = true;
private FSDirectory inputDir;
@Override
public void setup() throws Exception {
super.setup();
String inputDirProp = getRunData().getConfig().get(ADDINDEXES_INPUT_DIR, null);
if (inputDirProp == null) {
throw new IllegalArgumentException("config parameter " + ADDINDEXES_INPUT_DIR + " not specified in configuration");
}
inputDir = FSDirectory.open(new File(inputDirProp));
}
@Override
public int doLogic() throws Exception {
IndexWriter writer = getRunData().getIndexWriter();
if (useAddIndexesDir) {
writer.addIndexes(inputDir);
} else {
IndexReader r = DirectoryReader.open(inputDir);
try {
writer.addIndexes(r);
} finally {
r.close();
}
}
return 1;
}
/**
* Set the params (useAddIndexesDir only)
*
* @param params
* {@code useAddIndexesDir=true} for using
* {@link IndexWriter#addIndexes(Directory...)} or {@code false} for
* using {@link IndexWriter#addIndexes(IndexReader...)}. Defaults to
* {@code true}.
*/
@Override
public void setParams(String params) {
super.setParams(params);
useAddIndexesDir = Boolean.parseBoolean(params);
}
@Override
public boolean supportsParams() {
return true;
}
@Override
public void tearDown() throws Exception {
inputDir.close();
super.tearDown();
}
}