| /** |
| * 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. |
| */ |
| |
| package org.apache.pig.test; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.pig.ResourceStatistics; |
| import org.apache.pig.builtin.PigStorage; |
| import org.apache.pig.impl.util.UriUtil; |
| import org.apache.pig.impl.util.Utils; |
| |
| import java.io.IOException; |
| |
| public class PigStorageWithStatistics extends PigStorage { |
| private String loc = null; |
| |
| @Override |
| public void setLocation(String location, Job job) |
| throws IOException { |
| super.setLocation(location, job); |
| loc = location; |
| } |
| |
| @Override |
| public ResourceStatistics getStatistics(String location, Job job) throws IOException { |
| ResourceStatistics stats = new ResourceStatistics(); |
| stats.setmBytes(getInputmBytes()); |
| return stats; |
| } |
| |
| private Long getInputmBytes() throws IOException { |
| if (loc == null) { |
| return 0L; |
| } |
| |
| long inputBytes = 0L; |
| for (String location : getPathStrings(loc)) { |
| Path path = new Path(location); |
| FileSystem fs = path.getFileSystem(new Configuration()); |
| FileStatus[] status = fs.globStatus(path); |
| if (status != null) { |
| for (FileStatus s : status) { |
| inputBytes += Utils.getPathLength(fs, s); |
| } |
| } |
| } |
| return inputBytes / 1024 / 1024; |
| } |
| } |