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Java > Open Source Codes > org > apache > commons > collections > BoundedMap


1 /*
2  * Copyright 2003-2004 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 package org.apache.commons.collections;
17
18 import java.util.Map JavaDoc;
19
20 /**
21  * Defines a map that is bounded in size.
22  * <p>
23  * The size of the map can vary, but it can never exceed a preset
24  * maximum number of elements. This interface allows the querying of details
25  * associated with the maximum number of elements.
26  *
27  * @since Commons Collections 3.0
28  * @version $Revision: 1.4 $ $Date: 2004/02/18 01:15:42 $
29  *
30  * @author Stephen Colebourne
31  */
32 public interface BoundedMap extends Map JavaDoc {
33
34     /**
35      * Returns true if this map is full and no new elements can be added.
36      *
37      * @return <code>true</code> if the map is full
38      */
39     boolean isFull();
40
41     /**
42      * Gets the maximum size of the map (the bound).
43      *
44      * @return the maximum number of elements the map can hold
45      */
46     int maxSize();
47
48 }
49
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