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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.MatchingRule;
21  
22  import javax.naming.NamingException;
23  import java.util.Iterator;
24  
25  
26  /***
27   * A registry used to track system matchingRules.
28   *
29   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30   * @version $Rev: 159259 $
31   */
32  public interface MatchingRuleRegistry
33  {
34      /***
35       * Registers a MatchingRule with this registry.
36       * 
37       * @param schema the name of the schema the MatchingRule is associated with
38       * @param matchingRule the MatchingRule to register
39       * @throws NamingException if the matchingRule is already registered or the 
40       * registration operation is not supported
41       */
42      void register( String schema, MatchingRule matchingRule ) throws NamingException;
43      
44      /***
45       * Looks up a MatchingRule by its unique Object Identifier or by name.
46       * 
47       * @param id the object identifier or the name identifier
48       * @return the MatchingRule for the id
49       * @throws NamingException if there is a backing store failure or the 
50       * MatchingRule does not exist.
51       */
52      MatchingRule lookup( String id ) throws NamingException;
53  
54      /***
55       * Gets the name of the schema this schema object is associated with.
56       *
57       * @param id the object identifier or the name
58       * @return the schema name
59       * @throws NamingException if the schema object does not exist
60       */
61      String getSchemaName( String id ) throws NamingException;
62  
63      /***
64       * Checks to see if a MatchingRule exists.  Backing store failures simply 
65       * return false.
66       * 
67       * @param oid the object identifier
68       * @return true if a MatchingRule definition exists for the oid, false 
69       * otherwise
70       */
71      boolean hasMatchingRule( String oid );
72  
73      /***
74       * Gets an Iterator over the MatchingRules within this registry.
75       *
76       * @return an iterator over all MatchingRules in registry
77       */
78      Iterator list();
79  }