/** * 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.tez.mapreduce.processor; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; import org.apache.hadoop.mapred.Counters; import org.apache.hadoop.mapred.InputSplit; import org.apache.hadoop.mapred.Reporter; import org.apache.tez.common.ProgressHelper; import org.apache.tez.common.counters.TezCounter; import org.apache.tez.mapreduce.hadoop.mapred.MRCounters; import org.apache.tez.mapreduce.hadoop.mapred.MRReporter; import org.apache.tez.runtime.api.InputContext; import org.apache.tez.runtime.api.OutputContext; import org.apache.tez.runtime.api.ProcessorContext; import org.apache.tez.runtime.api.TaskContext; @InterfaceAudience.Private @InterfaceStability.Unstable public class MRTaskReporter extends org.apache.hadoop.mapreduce.StatusReporter implements Reporter { private final TaskContext context; private final boolean isProcessorContext; private final MRReporter reporter; private InputSplit split = null; public MRTaskReporter(ProcessorContext context) { this.context = context; this.reporter = new MRReporter(context.getCounters()); this.isProcessorContext = true; } public MRTaskReporter(OutputContext context) { this.context = context; this.reporter = new MRReporter(context.getCounters()); this.isProcessorContext = false; } public MRTaskReporter(InputContext context) { this.context= context; this.reporter = new MRReporter(context.getCounters()); this.isProcessorContext = false; } public void setProgress(float progress) { // Validate that the progress is within the valid range. This guarantees // that reporter and processorContext gets the same value. progress = ProgressHelper.processProgress(progress); reporter.setProgress(progress); if (isProcessorContext) { ((ProcessorContext)context).setProgress(progress); } else { // TODO FIXME NEWTEZ - will MROutput's reporter use this api? } } public void setStatus(String status) { reporter.setStatus(status); } public float getProgress() { return reporter.getProgress(); }; public void progress() { reporter.progress(); } public Counters.Counter getCounter(String group, String name) { TezCounter counter = context.getCounters().findCounter(group, name); MRCounters.MRCounter mrCounter = null; if (counter != null) { mrCounter = new MRCounters.MRCounter(counter); } return mrCounter; } public Counters.Counter getCounter(Enum<?> name) { TezCounter counter = context.getCounters().findCounter(name); MRCounters.MRCounter mrCounter = null; if (counter != null) { mrCounter = new MRCounters.MRCounter(counter); } return mrCounter; } public void incrCounter(Enum<?> key, long amount) { reporter.incrCounter(key, amount); } public void incrCounter(String group, String counter, long amount) { reporter.incrCounter(group, counter, amount); } public void setInputSplit(InputSplit split) { this.split = split; } public InputSplit getInputSplit() throws UnsupportedOperationException { if (split == null) { throw new UnsupportedOperationException("Input only available on map"); } else { return split; } } }