package org.apache.lucene.benchmark.byTask.tasks;
import java.io.BufferedWriter;
import java.io.File;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.feeds.DocMaker;
import org.apache.lucene.benchmark.byTask.utils.StreamUtils;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.IndexableField;
/*
* 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.
*/
/**
* A {@link WriteLineDocTask} which for Wikipedia input, will write category pages
* to another file, while remaining pages will be written to the original file.
* The categories file is derived from the original file, by adding a prefix "categories-".
*/
public class WriteEnwikiLineDocTask extends WriteLineDocTask {
private final PrintWriter categoryLineFileOut;
public WriteEnwikiLineDocTask(PerfRunData runData) throws Exception {
super(runData);
OutputStream out = StreamUtils.outputStream(categoriesLineFile(new File(fname)));
categoryLineFileOut = new PrintWriter(new BufferedWriter(new OutputStreamWriter(out, "UTF-8"), StreamUtils.BUFFER_SIZE));
writeHeader(categoryLineFileOut);
}
/** Compose categories line file out of original line file */
public static File categoriesLineFile(File f) {
File dir = f.getParentFile();
String categoriesName = "categories-"+f.getName();
return dir==null ? new File(categoriesName) : new File(dir,categoriesName);
}
@Override
public void close() throws Exception {
categoryLineFileOut.close();
super.close();
}
@Override
protected PrintWriter lineFileOut(Document doc) {
IndexableField titleField = doc.getField(DocMaker.TITLE_FIELD);
if (titleField!=null && titleField.stringValue().startsWith("Category:")) {
return categoryLineFileOut;
}
return super.lineFileOut(doc);
}
}