org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2Counter.java Source code

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Here is the source code for org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2Counter.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.mapreduce.*;
import org.gridgain.grid.kernal.processors.hadoop.counter.*;

import java.io.*;

/**
 * Adapter from own counter implementation into Hadoop API Counter od version 2.0.
 */
public class GridHadoopV2Counter implements Counter {
    /** Delegate. */
    private final GridHadoopLongCounter cntr;

    /**
     * Creates new instance with given delegate.
     *
     * @param cntr Internal counter.
     */
    public GridHadoopV2Counter(GridHadoopLongCounter cntr) {
        assert cntr != null : "counter must be non-null";

        this.cntr = cntr;
    }

    /** {@inheritDoc} */
    @Override
    public void setDisplayName(String displayName) {
        // No-op.
    }

    /** {@inheritDoc} */
    @Override
    public String getName() {
        return cntr.name();
    }

    /** {@inheritDoc} */
    @Override
    public String getDisplayName() {
        return getName();
    }

    /** {@inheritDoc} */
    @Override
    public long getValue() {
        return cntr.value();
    }

    /** {@inheritDoc} */
    @Override
    public void setValue(long val) {
        cntr.value(val);
    }

    /** {@inheritDoc} */
    @Override
    public void increment(long incr) {
        cntr.increment(incr);
    }

    /** {@inheritDoc} */
    @Override
    public Counter getUnderlyingCounter() {
        return this;
    }

    /** {@inheritDoc} */
    @Override
    public void write(DataOutput out) throws IOException {
        throw new UnsupportedOperationException("not implemented");
    }

    /** {@inheritDoc} */
    @Override
    public void readFields(DataInput in) throws IOException {
        throw new UnsupportedOperationException("not implemented");
    }
}