org.jvnet.hk2.internal.DescriptorComparator Maven / Gradle / Ivy
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package org.jvnet.hk2.internal;
import java.io.Serializable;
import java.util.Comparator;
import org.glassfish.hk2.api.Descriptor;
/**
* @author jwells
*
*/
public class DescriptorComparator implements Comparator, Serializable {
/**
* Added for serialization
*/
private static final long serialVersionUID = 4454509124508404602L;
/* (non-Javadoc)
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
@Override
public int compare(Descriptor o1, Descriptor o2) {
int o1Ranking = o1.getRanking();
int o2Ranking = o2.getRanking();
if (o1Ranking < o2Ranking) return 1;
if (o1Ranking > o2Ranking) return -1;
long o1LocatorId = o1.getLocatorId().longValue();
long o2LocatorId = o2.getLocatorId().longValue();
if (o1LocatorId < o2LocatorId) return 1;
if (o1LocatorId > o2LocatorId) return -1;
long o1ServiceId = o1.getServiceId().longValue();
long o2ServiceId = o2.getServiceId().longValue();
if (o1ServiceId > o2ServiceId) return 1;
if (o1ServiceId < o2ServiceId) return -1;
return 0;
}
}