1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.directory.server.core.subtree;
21
22
23 import java.util.HashMap;
24 import java.util.Iterator;
25 import java.util.Map;
26
27 import org.apache.directory.shared.ldap.subtree.SubtreeSpecification;
28
29
30 /**
31 * A cache for subtree specifications.
32 *
33 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34 * @version $Rev$
35 */
36 public class SubentryCache
37 {
38 private final Map<String, Subentry> name2subentry = new HashMap<String, Subentry>();
39
40
41 final Subentry getSubentry( String normalizedName )
42 {
43 return name2subentry.get( normalizedName );
44 }
45
46
47 final Subentry removeSubentry( String normalizedName )
48 {
49 return name2subentry.remove( normalizedName );
50 }
51
52
53 final Subentry setSubentry( String normalizedName, SubtreeSpecification ss, int types )
54 {
55 Subentry old = name2subentry.get( normalizedName );
56 Subentry subentry = new Subentry();
57 subentry.setSubtreeSpecification( ss );
58 subentry.setTypes( types );
59 name2subentry.put( normalizedName, subentry );
60 return old;
61 }
62
63
64 final boolean hasSubentry( String normalizedName )
65 {
66 return name2subentry.containsKey( normalizedName );
67 }
68
69
70 final Iterator<String> nameIterator()
71 {
72 return name2subentry.keySet().iterator();
73 }
74 }