com.cloudera.oryx.als.common.NumericIDValue.java Source code

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Here is the source code for com.cloudera.oryx.als.common.NumericIDValue.java

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/*
 * Copyright (c) 2013, Cloudera, Inc. All Rights Reserved.
 *
 * Cloudera, Inc. licenses this file to you 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
 *
 * This software 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 com.cloudera.oryx.als.common;

import com.google.common.primitives.Longs;

import java.io.Serializable;

/**
 * Simply encapsulates and ID and value.
 *
 * @author Sean Owen
 */
public final class NumericIDValue implements Serializable {

    private long id;
    private float value;

    public long getID() {
        return id;
    }

    public float getValue() {
        return value;
    }

    public NumericIDValue() {
        this.id = Long.MIN_VALUE;
        this.value = Float.NaN;
    }

    public NumericIDValue(long id, float value) {
        this.id = id;
        this.value = value;
    }

    public void set(long itemID, float value) {
        this.id = itemID;
        this.value = value;
    }

    @Override
    public boolean equals(Object object) {
        if (!(object instanceof NumericIDValue)) {
            return false;
        }
        NumericIDValue other = (NumericIDValue) object;
        return getID() == other.getID() && getValue() == other.getValue();
    }

    @Override
    public int hashCode() {
        return Longs.hashCode(id) ^ Float.floatToIntBits(value);
    }

    @Override
    public String toString() {
        return id + ":" + value;
    }

}