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.api.ldap.aci.protectedItem;
21
22
23 import java.util.Collections;
24 import java.util.Iterator;
25 import java.util.Set;
26
27 import org.apache.directory.api.ldap.aci.ProtectedItem;
28
29
30 /**
31 * Restricts the maximum number of attribute values allowed for a specified
32 * attribute type. It is examined if the protected item is an attribute
33 * value of the specified type and the permission sought is add. Values of
34 * that attribute in the entry are counted without regard to context or
35 * access control and as though the operation which adds the values were
36 * successful. If the number of values in the attribute exceeds maxCount,
37 * the ACI item is treated as not granting add access.
38 */
39 public class MaxValueCountItem extends ProtectedItem
40 {
41 /** The set of elements to protect */
42 private final Set<MaxValueCountElem> items;
43
44
45 /**
46 * Creates a new instance.
47 *
48 * @param items the collection of {@link MaxValueCountElem}s.
49 */
50 public MaxValueCountItem( Set<MaxValueCountElem> items )
51 {
52 this.items = Collections.unmodifiableSet( items );
53 }
54
55
56 /**
57 * Gets an iterator of all {@link MaxValueCountElem}s.
58 *
59 * @return an iterator of all {@link MaxValueCountElem}s
60 */
61 public Iterator<MaxValueCountElem> iterator()
62 {
63 return items.iterator();
64 }
65
66
67 /**
68 * {@inheritDoc}
69 */
70 @Override
71 public int hashCode()
72 {
73 int hash = 37;
74 hash = hash * 17 + items.hashCode();
75 return hash;
76 }
77
78
79 /**
80 * {@inheritDoc}
81 */
82 @Override
83 public boolean equals( Object o )
84 {
85 if ( this == o )
86 {
87 return true;
88 }
89
90 if ( o == null )
91 {
92 return false;
93 }
94
95 if ( o instanceof MaxValueCountItem )
96 {
97 MaxValueCountItem that = ( MaxValueCountItem ) o;
98 return this.items.equals( that.items );
99 }
100
101 return false;
102 }
103
104
105 /**
106 * {@inheritDoc}
107 */
108 @Override
109 public String toString()
110 {
111 StringBuilder buf = new StringBuilder();
112
113 buf.append( "maxValueCount {" );
114
115 boolean isFirst = true;
116
117 for ( MaxValueCountElem item : items )
118 {
119 if ( isFirst )
120 {
121 isFirst = false;
122 }
123 else
124 {
125 buf.append( ", " );
126 }
127
128 buf.append( item.toString() );
129 }
130
131 buf.append( "}" );
132
133 return buf.toString();
134 }
135 }