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1 | /* | |
2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University | |
3 | * of California | |
4 | * All rights reserved. | |
5 | * | |
6 | * This software is open-source under the BSD license; see either | |
7 | * "license.txt" or | |
8 | * http://jung.sourceforge.net/license.txt for a description. | |
9 | */ | |
10 | package edu.uci.ics.jung.graph.decorators; | |
11 | ||
12 | import edu.uci.ics.jung.utils.UserDataContainer; | |
13 | ||
14 | /** | |
15 | * Decorator for any value type that extends the java.lang.Number class | |
16 | * @author Scott White | |
17 | */ | |
18 | public class NumericDecorator extends Decorator { | |
19 | ||
20 | /** | |
21 | * Constructs and initializes the decorator | |
22 | * @param key | |
23 | * @param copyAction | |
24 | */ | |
25 | public NumericDecorator(Object key,UserDataContainer.CopyAction copyAction) { | |
26 | 36 | super(key,copyAction); |
27 | 36 | } |
28 | ||
29 | /** | |
30 | * Retrieves the decorated value for the given graph/vertex/edge as an integer | |
31 | * @param udc the graph/vertex/edge | |
32 | * @return the integer value | |
33 | */ | |
34 | public int intValue(UserDataContainer udc) { | |
35 | 0 | return ((Number) udc.getUserDatum(getKey())).intValue(); |
36 | } | |
37 | ||
38 | /** | |
39 | * Returns the decorated value as Number | |
40 | * @param udc the graph/vertex/edge | |
41 | * @return the value | |
42 | */ | |
43 | public Number getValue(UserDataContainer udc) { | |
44 | 1181 | return (Number) udc.getUserDatum(getKey()); |
45 | } | |
46 | ||
47 | /** | |
48 | * Sets the value for a given graph/vertex/edge | |
49 | * @param value the value to be stored | |
50 | * @param udc the graph/vertex/edge being decorated | |
51 | */ | |
52 | public void setValue(Number value, UserDataContainer udc) { | |
53 | 288 | udc.setUserDatum(getKey(),value,getCopyAction()); |
54 | 288 | } |
55 | } |
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