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1   /*
2    *   Copyright 2004 The Apache Software Foundation
3    *
4    *   Licensed under the Apache License, Version 2.0 (the "License");
5    *   you may not use this file except in compliance with the License.
6    *   You may obtain a copy of the License at
7    *
8    *       http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *   Unless required by applicable law or agreed to in writing, software
11   *   distributed under the License is distributed on an "AS IS" BASIS,
12   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *   See the License for the specific language governing permissions and
14   *   limitations under the License.
15   *
16   */
17  package org.apache.ldap.server.schema;
18  
19  
20  import org.apache.ldap.common.schema.ObjectClass;
21  
22  import javax.naming.NamingException;
23  import java.util.Iterator;
24  
25  
26  /***
27   * ObjectClass registry service interface.
28   *
29   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30   * @version $Rev: 159259 $
31   */
32  public interface ObjectClassRegistry
33  {
34      /***
35       * Registers an ObjectClass with this registry.
36       *
37       * @param schema the name of the schema the ObjectClass is associated with
38       * @param objectClass the objectClass to register
39       * @throws NamingException if the ObjectClass is already registered or the
40       * registration operation is not supported
41       */
42      void register( String schema, ObjectClass objectClass ) throws NamingException;
43  
44      /***
45       * Looks up an objectClass by its unique Object Identifier or by name.
46       *
47       * @param id the object identifier or name
48       * @return the ObjectClass instance for the id
49       * @throws NamingException if the ObjectClass does not exist
50       */
51      ObjectClass lookup( String id ) throws NamingException;
52  
53      /***
54       * Gets the name of the schema this schema object is associated with.
55       *
56       * @param id the object identifier or the name
57       * @return the schema name
58       * @throws NamingException if the schema object does not exist
59       */
60      String getSchemaName( String id ) throws NamingException;
61  
62      /***
63       * Checks to see if an objectClass exists.
64       *
65       * @param id the object identifier or name
66       * @return true if an objectClass definition exists for the id, false
67       * otherwise
68       */
69      boolean hasObjectClass( String id );
70  
71      /***
72       * Gets an Iterator over the ObjectClasses within this ObjectClassRegistry.
73       *
74       * @return an iterator over all ObjectClasses in registry
75       */
76      Iterator list();
77  }