com.cloudera.sa.giraph.examples.ktrusses.PhaseWritable.java Source code

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Here is the source code for com.cloudera.sa.giraph.examples.ktrusses.PhaseWritable.java

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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 com.cloudera.sa.giraph.examples.ktrusses;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableUtils;

public class PhaseWritable implements Writable {

    private Phase phase;

    public PhaseWritable() {
    }

    public PhaseWritable(Phase phase) {
        this.phase = phase;
    }

    public Phase get() {
        return phase;
    }

    public void set(Phase phase) {
        this.phase = phase;
    }

    public void readFields(DataInput in) throws IOException {
        boolean isNull = in.readBoolean();
        if (!isNull) {
            phase = WritableUtils.readEnum(in, Phase.class);
        }
    }

    public void write(DataOutput out) throws IOException {
        out.writeBoolean(phase == null);
        if (phase != null) {
            WritableUtils.writeEnum(out, phase);
        }
    }

}