1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.mavibot.btree.comparator; 21 22 23 import java.util.Comparator; 24 25 26 /** 27 * Compares shorts 28 * 29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 30 */ 31 public class ShortComparator implements Comparator<Short> 32 { 33 /** 34 * Compare two shorts. 35 * 36 * @param short1 First short 37 * @param short2 Second short 38 * @return 1 if short1 > short2, 0 if short1 == short2, -1 if short1 < short2 39 */ 40 public int compare( Short short1, Short short2 ) 41 { 42 if ( short1 == short2 ) 43 { 44 return 0; 45 } 46 47 if ( short1 == null ) 48 { 49 if ( short2 == null ) 50 { 51 return 0; 52 } 53 else 54 { 55 return -1; 56 } 57 } 58 else 59 { 60 if ( short2 == null ) 61 { 62 return 1; 63 } 64 else 65 { 66 if ( short1 < short2 ) 67 { 68 return -1; 69 } 70 else if ( short1 > short2 ) 71 { 72 return 1; 73 } 74 else 75 { 76 return 0; 77 } 78 } 79 } 80 } 81 }