// This software is released into the Public Domain. See copying.txt for details.
package org.openstreetmap.osmosis.core.database;
import java.util.Comparator;
import org.openstreetmap.osmosis.core.store.Storeable;
/**
* A comparator for sorting database feature objects by entity id.
*
* @author Brett Henderson
* @param <T>
* The encapsulated feature type.
*/
public class DbFeatureComparator<T extends Storeable> implements Comparator<DbFeature<T>> {
/**
* {@inheritDoc}
*/
public int compare(DbFeature<T> o1, DbFeature<T> o2) {
long idDelta;
idDelta = o1.getEntityId() - o2.getEntityId();
if (idDelta < 0) {
return -1;
} else if (idDelta > 0) {
return 1;
}
return 0;
}
}