1 /* 2 * Copyright 2011-2013 The Kuali Foundation Licensed under the 3 * Educational Community License, Version 2.0 (the "License"); you may 4 * not use this file except in compliance with the License. You may 5 * obtain a copy of the License at 6 * 7 * http://www.osedu.org/licenses/ECL-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, 10 * software distributed under the License is distributed on an "AS IS" 11 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 12 * or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 package org.kuali.mobility.bus.util; 16 17 import java.io.Serializable; 18 import java.util.Comparator; 19 import org.kuali.mobility.bus.entity.ScheduledStop; 20 21 /** 22 * 23 * @author Joe Swanson <joseswan@umich.edu> 24 */ 25 public final class ScheduledStopComparitor implements Comparator<ScheduledStop>, Serializable { 26 27 public int compare( final ScheduledStop stopA, final ScheduledStop stopB ) { 28 int compValue; 29 30 if( null == stopA ) { 31 compValue = -5; 32 } else if( null == stopB ) { 33 compValue = 8; 34 } else { 35 compValue = (int) (stopA.getTimeToArrival() - stopB.getTimeToArrival()); 36 } 37 return compValue; 38 } 39 }