edu.gslis.streamcorpus.StreamItemWritable.java Source code

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Here is the source code for edu.gslis.streamcorpus.StreamItemWritable.java

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package edu.gslis.streamcorpus;
/*******************************************************************************
 * Copyright 2012 Edgar Meij
 * 
 * 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.
 ******************************************************************************/

import java.io.DataInput;

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

import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableUtils;
import org.apache.thrift.TDeserializer;
import org.apache.thrift.TException;
import org.apache.thrift.TSerializer;
import org.apache.thrift.protocol.TBinaryProtocol;

import streamcorpus_v3.StreamItem;

public class StreamItemWritable extends StreamItem implements Writable {

    private static final long serialVersionUID = 1L;

    TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
    TDeserializer deserializer = new TDeserializer(new TBinaryProtocol.Factory());

    /**
     * Deserializes this object.
     */
    @Override
    public void write(DataOutput out) throws IOException {

        try {

            byte[] bytes = serializer.serialize(this);
            WritableUtils.writeVInt(out, bytes.length);
            out.write(bytes, 0, bytes.length);
            // out.writeUTF(language);

        } catch (TException e) {
            e.printStackTrace();
            throw new IOException(e);
        }

    }

    /**
     * Serializes this object.
     */
    @Override
    public void readFields(DataInput in) throws IOException {

        try {

            int length = WritableUtils.readVInt(in);
            byte[] bytes = new byte[length];
            in.readFully(bytes, 0, length);

            deserializer.deserialize(this, bytes);

            // WikipediaPage.readPage(this, new String(bytes));
            // language = in.readUTF();

        } catch (TException e) {
            e.printStackTrace();
            throw new IOException(e);
        }

    }

}