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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 package com.sun.enterprise.diagnostics;
24
25 import java.util.Iterator JavaDoc;
26
27 /**
28  * Represents a Diagnostic Data object. A data object may contain collection of
29  * other data objects or collection of string items such as entries in
30  * domain.xml are retrieved using getValues.
31  * @author Manisha Umbarje
32  */
33 public interface Data {
34     
35     /**
36      * A data can be a composite data containing other data elements
37      */
38     public Iterator JavaDoc<Data> getChildren();
39     
40     /**
41      * A data object may contain values as strings
42      */
43     public Iterator JavaDoc<String JavaDoc> getValues();
44     
45     /**
46      *
47      */
48     public Iterator JavaDoc<Iterator JavaDoc<String JavaDoc>> getTable();
49     
50     /**
51      * Source from where the Data Object is created. This could be name of the
52      * file which represents this Data Object.
53      * @return source
54      */
55     public String JavaDoc getSource();
56     
57     /**
58      * Every data object knows what type of data it contains.
59      */
60     public String JavaDoc getType();
61     
62     /**
63      * Returns children of a specific type
64      * @return
65      
66     public Iterator<Data> getChildren(String type);
67     
68     /**
69      * Returns child of specific type. It's assumed that there is only one
70      * child with that type. No gurantee is provided if there are multiple
71      * children of same type.
72      
73     public Data getChild(String type);
74      */
75     
76 }
77
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