org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2CleanupTask.java Source code

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Here is the source code for org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2CleanupTask.java

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/* 
 Copyright (C) GridGain Systems. All Rights Reserved.
     
 Licensed 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.gridgain.grid.kernal.processors.hadoop.v2;

import org.apache.hadoop.mapred.JobContextImpl;
import org.apache.hadoop.mapreduce.*;
import org.gridgain.grid.*;
import org.gridgain.grid.hadoop.*;

import java.io.*;

/**
 * Hadoop cleanup task (commits or aborts job).
 */
public class GridHadoopV2CleanupTask extends GridHadoopV2Task {
    /** Abort flag. */
    private final boolean abort;

    /**
     * @param taskInfo Task info.
     * @param abort Abort flag.
     */
    public GridHadoopV2CleanupTask(GridHadoopTaskInfo taskInfo, boolean abort) {
        super(taskInfo);

        this.abort = abort;
    }

    /** {@inheritDoc} */
    @SuppressWarnings("ConstantConditions")
    @Override
    public void run0(GridHadoopV2TaskContext taskCtx) throws GridException {
        JobContextImpl jobCtx = taskCtx.jobContext();

        try {
            OutputFormat outputFormat = getOutputFormat(jobCtx);

            OutputCommitter committer = outputFormat.getOutputCommitter(hadoopContext());

            if (committer != null) {
                if (abort)
                    committer.abortJob(jobCtx, JobStatus.State.FAILED);
                else
                    committer.commitJob(jobCtx);
            }
        } catch (ClassNotFoundException | IOException e) {
            throw new GridException(e);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();

            throw new GridInterruptedException(e);
        }
    }
}