IndexRecordWriterTermValue.java

package com.yahoo.glimmer.indexing.generator;

/*
 * Copyright (c) 2012 Yahoo! Inc. All rights reserved.
 * 
 *  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.
 *  See accompanying LICENSE file.
 */

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

public class IndexRecordWriterTermValue implements IndexRecordWriterValue {
    private String term;
    private int termFrequency;
    private int occurrenceCount;
    private long sumOfMaxTermPositions;

    public String getTerm() {
	return term;
    }

    public void setTerm(String term) {
	this.term = term;
    }

    public int getTermFrequency() {
	return termFrequency;
    }

    public void setTermFrequency(int termFrequency) {
	this.termFrequency = termFrequency;
    }

    public int getOccurrenceCount() {
	return occurrenceCount;
    }

    public void setOccurrenceCount(int occurrenceCount) {
	this.occurrenceCount = occurrenceCount;
    }

    public long getSumOfMaxTermPositions() {
	return sumOfMaxTermPositions;
    }

    public void setSumOfMaxTermPositions(long sumOfMaxTermPositions) {
	this.sumOfMaxTermPositions = sumOfMaxTermPositions;
    }
    
    public void set(IndexRecordWriterTermValue that) {
	this.term = that.term;
	this.termFrequency = that.termFrequency;
	this.occurrenceCount = that.occurrenceCount;
	this.sumOfMaxTermPositions = that.sumOfMaxTermPositions;
    }

    @Override
    public void readFields(DataInput arg0) throws IOException {
	// TODO
    }

    @Override
    public void write(DataOutput arg0) throws IOException {
	// TODO
    }

    @Override
    public int compareTo(IndexRecordWriterValue value) {
	if (value instanceof IndexRecordWriterTermValue) {
	    IndexRecordWriterTermValue that = (IndexRecordWriterTermValue) value;
	    long i = term.compareTo(that.term);
	    if (i != 0) {
		i = termFrequency - that.termFrequency;
		if (i != 0) {
		    i = occurrenceCount - that.occurrenceCount;
		    if (i != 0) {
			i = sumOfMaxTermPositions - that.sumOfMaxTermPositions;
		    }
		}
	    }
	    if (i > 0) {
		return 1;
	    } else if (i < 0) {
		return -1;
	    }
	    return 0;
	}
	return -1;
    }
    
    @Override
    public boolean equals(Object o) {
	if (o instanceof IndexRecordWriterTermValue) {
	    IndexRecordWriterTermValue that = (IndexRecordWriterTermValue) o;
	    if (termFrequency == that.termFrequency && occurrenceCount == that.occurrenceCount && sumOfMaxTermPositions == that.sumOfMaxTermPositions) {
		return term.equals(that.term);
	    }
	}
	return false;
    }
    
    @Override
    public int hashCode() {
	int hash = 11;
	hash = 31 * hash + term.hashCode();
	hash = 31 * hash + termFrequency;
	hash = 31 * hash + occurrenceCount;
	hash = 31 * hash + (int)(sumOfMaxTermPositions ^ (sumOfMaxTermPositions >>> 32));
	return hash;
    }
    
    @Override
    public String toString() {
        return term + ':' + termFrequency + ':' + occurrenceCount + ':' + sumOfMaxTermPositions;
    }
}