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Java > Open Source Codes > org > netbeans > modules > javacore > parser > FieldGroupInfoMeasure


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.javacore.parser;
20
21 import org.netbeans.modules.javacore.jmiimpl.javamodel.FieldGroupImpl;
22
23 /**
24  *
25  * @author Tomas Hurka
26  */
27 class FieldGroupInfoMeasure implements Measure {
28     public static final FieldGroupInfoMeasure INSTANCE = new FieldGroupInfoMeasure();
29
30     /** Creates a new instance of ClassMeasure */
31     private FieldGroupInfoMeasure() {
32     }
33
34     /** Compares Java Field to ASTree object.
35      * @param refObject Must be Java Field
36      * @param asTree
37      * @return distance
38      */
39     public int getDistance(Object JavaDoc refObject, Object JavaDoc ast) {
40         if (ast instanceof FieldGroupInfo) {
41             FieldGroupInfo astInfo = (FieldGroupInfo) ast;
42             FieldGroupImpl refInfo = (FieldGroupImpl) refObject;
43             int result;
44             if (refInfo.isPersisted()) {
45                 result= new ArrayMeasure(FieldInfoMeasure.INSTANCE).getDistance(refInfo.getFields().toArray(), astInfo.fields);
46             } else {
47                 result = 1;
48             }
49             return result > INFINITE_DISTANCE ? INFINITE_DISTANCE : result;
50         }
51         return INFINITE_DISTANCE;
52     }
53 }
54
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