001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.mapred;
020
021import org.apache.hadoop.classification.InterfaceAudience;
022import org.apache.hadoop.classification.InterfaceStability;
023import org.apache.hadoop.fs.Path;
024import org.apache.hadoop.fs.PathFilter;
025
026/**
027 * This class filters log files from directory given
028 * It doesnt accept paths having _logs.
029 * This can be used to list paths of output directory as follows:
030 *   Path[] fileList = FileUtil.stat2Paths(fs.listStatus(outDir,
031 *                                   new OutputLogFilter()));
032 */
033@InterfaceAudience.Public
034@InterfaceStability.Stable
035public class OutputLogFilter implements PathFilter {
036  private static final PathFilter LOG_FILTER = 
037    new Utils.OutputFileUtils.OutputLogFilter();
038  public boolean accept(Path path) {
039    return LOG_FILTER.accept(path);
040  }
041}