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
019 package org.apache.hadoop.mapred;
020
021 import org.apache.hadoop.classification.InterfaceAudience;
022 import org.apache.hadoop.classification.InterfaceStability;
023 import org.apache.hadoop.fs.Path;
024 import 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
035 public 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 }