com.chinamobile.bcbsp.examples.semicluster.SemiClusterMessage.java Source code

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Here is the source code for com.chinamobile.bcbsp.examples.semicluster.SemiClusterMessage.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.chinamobile.bcbsp.examples.semicluster;

import com.chinamobile.bcbsp.Constants;
import com.chinamobile.bcbsp.comm.IMessage;
import com.chinamobile.bcbsp.examples.semicluster.SemiClusterBSP.SemiClusterTreeSetWritable;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * SemiCluster message.
 */
public class SemiClusterMessage implements IMessage<Integer, SemiClusterTreeSetWritable, Integer> {
    /** Id of message */
    private int messageId;
    /** value of message */
    private SemiClusterTreeSetWritable value = new SemiClusterTreeSetWritable();

    @Override
    public void write(DataOutput out) throws IOException {
        out.writeInt(messageId);
        value.write(out);
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        this.messageId = in.readInt();
        value.readFields(in);
    }

    @Override
    public int getDstPartition() {
        return -1;
    }

    @Override
    public void setDstPartition(int partitionID) {

    }

    @Override
    public String getDstVertexID() {
        return String.valueOf(messageId);
    }

    @Override
    public Integer getMessageId() {
        return messageId;
    }

    @Override
    public void setMessageId(Integer id) {
        messageId = id;
    }

    @Override
    public Integer getTag() {
        return null;
    }

    @Override
    public void setTag(Integer tag) {
    }

    @Override
    public int getTagLen() {
        return 0;
    }

    @Override
    public Integer getData() {
        return null;
    }

    @Override
    public SemiClusterTreeSetWritable getContent() {
        return value;
    }

    @Override
    public int getContentLen() {
        return 4;
    }

    @Override
    public void setContent(SemiClusterTreeSetWritable content) {
        value = content;
    }

    @Override
    public String intoString() {
        String message = this.getDstVertexID() + Constants.SPLIT_FLAG + value.intoString();
        return message;
    }

    @Override
    public void fromString(String msgData) {
    }

    @Override
    public long size() {
        return 0;
    }

    @Override
    public boolean combineIntoContainer(
            Map<String, IMessage<Integer, SemiClusterTreeSetWritable, Integer>> container) {
        IMessage tmp = container.get(messageId);
        container.put(String.valueOf(messageId), this);
        return false;
    }

}