com.ebay.pulsar.analytics.metricstore.druid.granularity.DurationGranularity.java Source code

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Here is the source code for com.ebay.pulsar.analytics.metricstore.druid.granularity.DurationGranularity.java

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/*******************************************************************************
*  Copyright  2012-2015 eBay Software Foundation
*  This program is dual licensed under the MIT and Apache 2.0 licenses.
*  Please see LICENSE for more information.
*******************************************************************************/

package com.ebay.pulsar.analytics.metricstore.druid.granularity;

import java.nio.ByteBuffer;

import org.joda.time.DateTime;

import com.google.common.primitives.Longs;

/**
 * 
 * @author rtao
 *
 */
public class DurationGranularity extends BaseGranularity {
    private String duration;
    private String origin = "1970-01-01T00:00:00Z";

    public DurationGranularity(String duration) {
        this.duration = duration;
    }

    public DurationGranularity(String duration, String origin) {
        this.duration = duration;
        this.origin = origin;
    }

    public String getDuration() {
        return duration;
    }

    public String getOrigin() {
        return origin;
    }

    public String getType() {
        return "duration";
    }

    @Override
    public byte[] cacheKey() {
        return ByteBuffer.allocate(2 * Longs.BYTES).putLong(Long.valueOf(duration))
                .putLong(new DateTime(origin).getMillis()).array();
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((duration == null) ? 0 : duration.hashCode());
        result = prime * result + ((origin == null) ? 0 : origin.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        DurationGranularity other = (DurationGranularity) obj;
        if (duration == null) {
            if (other.duration != null)
                return false;
        } else if (!duration.equals(other.duration))
            return false;
        if (origin == null) {
            if (other.origin != null)
                return false;
        } else if (!origin.equals(other.origin))
            return false;
        return true;
    }

}