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.shared.ldap.model.schema; 021 022 023import java.io.Serializable; 024import java.util.Comparator; 025 026 027/** 028 * An class used for Comparator. It inherits from the general AbstractAdsSchemaObject class. It 029 * also implements the Comparator interface 030 * 031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 032 */ 033public abstract class LdapComparator<T> extends LoadableSchemaObject implements Comparator<T>, Serializable 034{ 035 /** The serial version UID */ 036 private static final long serialVersionUID = 2L; 037 038 /** 039 * Create a new instance of a Comparator 040 * @param oid The associated OID 041 */ 042 protected LdapComparator( String oid ) 043 { 044 super( SchemaObjectType.COMPARATOR, oid ); 045 } 046 047 048 /** 049 * Store the SchemaManager in this instance. It may be necessary for some 050 * comparator which needs to have access to the oidNormalizer Map. 051 * 052 * @param schemaManager the schemaManager to store 053 */ 054 public void setSchemaManager( SchemaManager schemaManager ) 055 { 056 // Do nothing (general case). 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 @Override 064 public boolean equals( Object o ) 065 { 066 if ( !super.equals( o ) ) 067 { 068 return false; 069 } 070 071 return o instanceof LdapComparator<?>; 072 } 073 074 075 /** 076 * {@inheritDoc} 077 */ 078 @Override 079 public String toString() 080 { 081 return objectType + " " + DescriptionUtils.getDescription( this ); 082 } 083}