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Java example source code file (HeapItem.java)

This example Java source code file (HeapItem.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

heapitem, override, serializable,comparable

The HeapItem.java Java example source code

/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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 org.deeplearning4j.clustering.sptree;

import java.io.Serializable;

/**
 * @author Adam Gibson
 */
public class HeapItem implements Serializable,Comparable<HeapItem> {
    private int index;
    private double distance;


    public HeapItem(int index, double distance) {
        this.index = index;
        this.distance = distance;
    }

    public int getIndex() {
        return index;
    }

    public void setIndex(int index) {
        this.index = index;
    }

    public double getDistance() {
        return distance;
    }

    public void setDistance(double distance) {
        this.distance = distance;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        HeapItem heapItem = (HeapItem) o;

        if (index != heapItem.index) return false;
        return Double.compare(heapItem.distance, distance) == 0;

    }

    @Override
    public int hashCode() {
        int result;
        long temp;
        result = index;
        temp = Double.doubleToLongBits(distance);
        result = 31 * result + (int) (temp ^ (temp >>> 32));
        return result;
    }

    @Override
    public int compareTo(HeapItem o) {
        return distance < o.distance ? 1 : 0;
    }
}

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