001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.api.ldap.model.message.controls; 021 022 023import org.apache.directory.api.ldap.model.name.Dn; 024 025 026/** 027 * A simple implementation of the EntryChange response control. 028 * 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 */ 031public class EntryChangeImpl extends AbstractControl implements EntryChange 032{ 033 /** The changeType */ 034 private ChangeType changeType = ChangeType.ADD; 035 036 private long changeNumber = UNDEFINED_CHANGE_NUMBER; 037 038 /** The previous Dn */ 039 private Dn previousDn = null; 040 041 042 /** 043 * 044 * Creates a new instance of EntryChangeControl. 045 * 046 */ 047 public EntryChangeImpl() 048 { 049 super( OID ); 050 } 051 052 053 /** 054 * {@inheritDoc} 055 */ 056 @Override 057 public ChangeType getChangeType() 058 { 059 return changeType; 060 } 061 062 063 /** 064 * {@inheritDoc} 065 */ 066 @Override 067 public void setChangeType( ChangeType changeType ) 068 { 069 this.changeType = changeType; 070 } 071 072 073 /** 074 * {@inheritDoc} 075 */ 076 @Override 077 public Dn getPreviousDn() 078 { 079 return previousDn; 080 } 081 082 083 /** 084 * {@inheritDoc} 085 */ 086 @Override 087 public void setPreviousDn( Dn previousDn ) 088 { 089 this.previousDn = previousDn; 090 } 091 092 093 /** 094 * {@inheritDoc} 095 */ 096 @Override 097 public long getChangeNumber() 098 { 099 return changeNumber; 100 } 101 102 103 /** 104 * {@inheritDoc} 105 */ 106 @Override 107 public void setChangeNumber( long changeNumber ) 108 { 109 this.changeNumber = changeNumber; 110 } 111 112 113 /** 114 * @see Object#hashCode() 115 */ 116 @Override 117 public int hashCode() 118 { 119 int h = super.hashCode(); 120 121 h = h * 37 + ( int ) changeNumber; 122 h = h * 37 + ( changeType == null ? 0 : changeType.hashCode() ); 123 h = h * 37 + ( previousDn == null ? 0 : previousDn.hashCode() ); 124 125 return h; 126 } 127 128 129 /** 130 * {@inheritDoc} 131 */ 132 @Override 133 public boolean equals( Object o ) 134 { 135 if ( !super.equals( o ) ) 136 { 137 return false; 138 } 139 140 EntryChange otherControl = ( EntryChange ) o; 141 142 return ( changeNumber == otherControl.getChangeNumber() ) && ( changeType == otherControl.getChangeType() ) 143 && ( previousDn.equals( otherControl.getPreviousDn() ) ); 144 } 145 146 147 /** 148 * Return a String representing this EntryChangeControl. 149 */ 150 @Override 151 public String toString() 152 { 153 StringBuilder sb = new StringBuilder(); 154 155 sb.append( " Entry Change Control\n" ); 156 sb.append( " oid : " ).append( getOid() ).append( '\n' ); 157 sb.append( " critical : " ).append( isCritical() ).append( '\n' ); 158 sb.append( " changeType : '" ).append( changeType ).append( "'\n" ); 159 sb.append( " previousDN : '" ).append( previousDn ).append( "'\n" ); 160 161 if ( changeNumber == UNDEFINED_CHANGE_NUMBER ) 162 { 163 sb.append( " changeNumber : '" ).append( "UNDEFINED" ).append( "'\n" ); 164 } 165 else 166 { 167 sb.append( " changeNumber : '" ).append( changeNumber ).append( "'\n" ); 168 } 169 170 return sb.toString(); 171 } 172}