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Java > Open Source Codes > com > sun > enterprise > config > serverbeans > validation > FrameHolder


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.config.serverbeans.validation;
25
26 import java.util.HashMap JavaDoc;
27 import java.util.Map JavaDoc;
28
29
30 /**
31    A class that provides access to a collection of frames
32 */
33
34
35 /**
36  * FrameHolder.java
37  *
38  * @author <a HREF="mailto:toby.h.ferguson@sun.com">Toby H Ferguson</a>
39  * @version $Revision: 1.3 $
40  */
41
42 class FrameHolder {
43     public boolean equals(Object JavaDoc o){
44         return o == this ||
45         (o != null && o instanceof FrameHolder && this.equals((FrameHolder) o));
46     }
47
48     private boolean equals(FrameHolder o){
49         return this.domain.equals( o.domain) &&
50         this.configFrames.equals(o.configFrames) &&
51         this.serverFrames.equals(o.serverFrames) &&
52         this.clusterFrames.equals(o.clusterFrames);
53     }
54
55     public int hashCode(){
56         return getDomainFrame().hashCode();
57     }
58     
59     Frame getDomainFrame(){
60         return domain;
61     }
62
63     Frame getConfigFrame(String JavaDoc n) {
64         return memoizedGet(configFrames, n);
65     }
66
67     Frame getServerFrame(String JavaDoc n){
68         return memoizedGet(serverFrames, n);
69     }
70
71     Frame getClusterFrame(String JavaDoc n){
72         return memoizedGet(clusterFrames, n);
73     }
74
75     private final Frame memoizedGet(Map JavaDoc m, String JavaDoc n){
76         Frame result = (Frame) m.get(n);
77         if (result == null) {
78             result = Frame.newFrame();
79             m.put(n, result);
80         }
81         return result;
82     }
83
84
85     private final Frame domain = Frame.newFrame();
86     private final Map JavaDoc configFrames = new HashMap JavaDoc();
87     private final Map JavaDoc serverFrames = new HashMap JavaDoc();
88     private final Map JavaDoc clusterFrames = new HashMap JavaDoc();
89     
90     
91     
92 }
93
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