edu.isi.mavuno.util.TokenWritable.java Source code

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Here is the source code for edu.isi.mavuno.util.TokenWritable.java

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/*
 * Mavuno: A Hadoop-Based Text Mining Toolkit
 * 
 * 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 edu.isi.mavuno.util;

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

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

/**
 * @author metzler
 *
 */
public class TokenWritable implements Writable {

    public static final String SEP = "\t";

    // token
    private final Text mToken = new Text();

    public TokenWritable() {
        mToken.clear();
    }

    public void setToken(Text token) {
        safeSet(mToken, token);
    }

    public void setToken(String token) {
        safeSet(mToken, token);
    }

    public Text getToken() {
        return mToken;
    }

    protected static void safeSet(Text t, Text s) {
        if (s == null) {
            t.clear();
        } else {
            t.set(s);
        }
    }

    protected static void safeSet(Text t, String s) {
        if (s == null) {
            t.clear();
        } else {
            t.set(s);
        }
    }

    /* (non-Javadoc)
     * @see org.apache.hadoop.io.Writable#readFields(java.io.DataInput)
     */
    @Override
    public void readFields(DataInput in) throws IOException {
        mToken.readFields(in);
    }

    /* (non-Javadoc)
     * @see org.apache.hadoop.io.Writable#write(java.io.DataOutput)
     */
    @Override
    public void write(DataOutput out) throws IOException {
        mToken.write(out);
    }

    @Override
    public String toString() {
        return mToken.toString();
    }
}