package slim3.mapreduce.wordcount.writables;

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

import org.apache.hadoop.io.WritableComparable;

import com.google.appengine.tools.mapreduce.OutputKey;

public class WordCountIntermediateValue extends OutputKey implements
        WritableComparable<WordCountIntermediateValue> {

    private long count = 0;

    public WordCountIntermediateValue() {
    }

    public WordCountIntermediateValue(long count) {
        set(count);
    }

    public void set(long count) {
        this.count = count;
    }

    public long getCount() {
        return count;
    }

    @Override
    public String getKeyString() {
        return String.valueOf(count);
    }

    @Override
    public void readFromKeyString(String keyString) {
        count = Long.parseLong(keyString);
    }

    public void write(DataOutput out) throws IOException {
        out.writeLong(count);
    }

    public void readFields(DataInput in) throws IOException {
        count = in.readLong();
    }

    public int compareTo(WordCountIntermediateValue other) {
        return Long.valueOf(this.count).compareTo(Long.valueOf(other.count));
    }
}