| /* |
| * 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.tools.pigstats; |
| |
| import org.apache.hadoop.mapreduce.Counter; |
| import org.apache.hadoop.mapreduce.StatusReporter; |
| import org.apache.hadoop.util.Progressable; |
| import org.apache.pig.backend.hadoop.executionengine.TaskContext; |
| import org.apache.pig.classification.InterfaceAudience; |
| import org.apache.pig.classification.InterfaceStability; |
| |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public class PigStatusReporter extends StatusReporter implements Progressable { |
| |
| private static PigStatusReporter reporter = null; |
| |
| private TaskContext<?> context = null; |
| |
| //@StaticDataCleanup |
| public static void staticDataCleanup() { |
| reporter = null; |
| } |
| |
| private PigStatusReporter() { |
| } |
| |
| /** |
| * Get singleton instance of the context |
| */ |
| public static PigStatusReporter getInstance() { |
| if (reporter == null) { |
| reporter = new PigStatusReporter(); |
| } |
| return reporter; |
| } |
| |
| public void setContext(TaskContext<?> context) { |
| this.context = context; |
| } |
| |
| /** |
| * @deprecated use {@link org.apache.pig.tools.pigstats.PigStatusReporter#incrCounter} instead. |
| * This method returns MR counter which is not compatible with Tez mode. Use |
| * incrCounter() that is compatible with both MR and Tez mode. |
| */ |
| @Override |
| @Deprecated |
| public Counter getCounter(Enum<?> name) { |
| return (context == null) ? null : context.getCounter(name); |
| } |
| |
| /** |
| * @deprecated use {@link org.apache.pig.tools.pigstats.PigStatusReporter#incrCounter} instead. |
| * This method returns MR counter which is not compatible with Tez mode. Use |
| * incrCounter() that is compatible with both MR and Tez mode. |
| */ |
| @Override |
| @Deprecated |
| public Counter getCounter(String group, String name) { |
| return context == null ? null : context.getCounter(group, name); |
| } |
| |
| public boolean incrCounter(Enum<?> name, long incr) { |
| return context == null ? false : context.incrCounter(name, incr); |
| } |
| |
| public boolean incrCounter(String group, String name, long incr) { |
| return context == null ? false : context.incrCounter(group, name, incr); |
| } |
| |
| @Override |
| public void progress() { |
| if (context != null) { |
| context.progress(); |
| } |
| } |
| |
| @Override |
| public void setStatus(String status) { |
| if (context != null) { |
| context.setStatus(status); |
| } |
| } |
| |
| public float getProgress() { |
| return context == null ? 0f : context.getProgress(); |
| } |
| } |