/**
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
*
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
* graphic logo is a trademark of OpenMRS Inc.
*/
package org.openmrs.util;
import java.util.Comparator;
import org.openmrs.Provider;
/**
* Sorts providers by the primary person name associated with the underlying person
*
* Note that this ignores any values stored in the provider "name" property and sorts
* solely on the underlying person name l
*
* Utilizes the {@link PersonByNameComparator} comparator to do the underlying sort
*/
public class ProviderByPersonNameComparator implements Comparator<Provider> {
@Override
public int compare(Provider provider1, Provider provider2) {
// test for null cases (sorting them to be last in a list)
boolean provider1IsNull = (provider1 == null || provider1.getPerson() == null);
boolean provider2IsNull = (provider2 == null || provider2.getPerson() == null);
if (provider1IsNull && provider2IsNull) {
return 0;
} else if (provider1IsNull) {
return 1;
} else if (provider2IsNull) {
return -1;
}
// delegate to the person by name comparator
return new PersonByNameComparator().compare(provider1.getPerson(), provider2.getPerson());
}
}