org.apache.hadoop.mapred.TaskAttemptContextImpl.java Source code

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/**
 * 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.hadoop.mapred;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.Counter;
import org.apache.hadoop.util.Progressable;

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class TaskAttemptContextImpl extends org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl
        implements TaskAttemptContext {
    private Reporter reporter;

    public TaskAttemptContextImpl(JobConf conf, TaskAttemptID taskid) {
        this(conf, taskid, Reporter.NULL);
    }

    TaskAttemptContextImpl(JobConf conf, TaskAttemptID taskid, Reporter reporter) {
        super(conf, taskid);
        this.reporter = reporter;
    }

    /**
     * Get the taskAttemptID.
     *  
     * @return TaskAttemptID
     */
    public TaskAttemptID getTaskAttemptID() {
        return (TaskAttemptID) super.getTaskAttemptID();
    }

    public Progressable getProgressible() {
        return reporter;
    }

    public JobConf getJobConf() {
        return (JobConf) getConfiguration();
    }

    @Override
    public float getProgress() {
        return reporter.getProgress();
    }

    @Override
    public Counter getCounter(Enum<?> counterName) {
        return reporter.getCounter(counterName);
    }

    @Override
    public Counter getCounter(String groupName, String counterName) {
        return reporter.getCounter(groupName, counterName);
    }

    /**
     * Report progress.
     */
    @Override
    public void progress() {
        reporter.progress();
    }

    /**
     * Set the current status of the task to the given string.
     */
    @Override
    public void setStatus(String status) {
        setStatusString(status);
        reporter.setStatus(status);
    }

}