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.schema; 021 022 023/** 024 * A class containing a SchemaObject, used by the global registries. As the hash code 025 * method of the SchemaObject class is too complex, we had to define a simplest class 026 * for this purpose, where the hash code is computed using only the SchemaObject 027 * type and its OID. 028 * 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 */ 031public class SchemaObjectWrapper 032{ 033 /** The internal schemaObject */ 034 private SchemaObject schemaObject; 035 036 037 /** 038 * Creates a new instance of SchemaObjectWrapper. 039 * 040 * @param schemaObject The contained SchemaObject 041 */ 042 public SchemaObjectWrapper( SchemaObject schemaObject ) 043 { 044 this.schemaObject = schemaObject; 045 } 046 047 048 /** 049 * Compute the hash code for this wrapper. We only use the object type 050 * and its oid. 051 */ 052 public int hashCode() 053 { 054 int h = 37; 055 h += h * 17 + schemaObject.getObjectType().getValue(); 056 h += h * 17 + schemaObject.getOid().hashCode(); 057 058 return h; 059 } 060 061 062 /** 063 * @see Object#equals(Object) 064 */ 065 public boolean equals( Object o ) 066 { 067 if ( o == this ) 068 { 069 return true; 070 } 071 072 if ( !( o instanceof SchemaObjectWrapper ) ) 073 { 074 return false; 075 } 076 077 SchemaObject that = ( ( SchemaObjectWrapper ) o ).get(); 078 SchemaObject current = get(); 079 080 return ( that.getOid().equals( current.getOid() ) && ( that.getObjectType() == current.getObjectType() ) ); 081 } 082 083 084 /** 085 * @return The interned SchemaObject 086 */ 087 public SchemaObject get() 088 { 089 return schemaObject; 090 } 091 092 093 /** 094 * @see Object#toString() 095 */ 096 public String toString() 097 { 098 return "<" + schemaObject.getObjectType() + "," + schemaObject.getOid() + ">"; 099 } 100}