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1
22 package org.jboss.util.state;
23
24 import java.util.HashMap  ;
25 import java.util.Map ;
26 import java.util.Iterator ;
27
28
33 public class State
34 {
35
36 private String name;
37
38 private HashMap allowedTransitions = new HashMap ();
39
40 private Object data;
41
42 public State(String name)
43 {
44 this(name, null);
45 }
46 public State(String name, Map transitions)
47 {
48 this.name = name;
49 if( transitions != null )
50 {
51 allowedTransitions.putAll(transitions);
52 }
53 }
54
55
58 public String getName()
59 {
60 return name;
61 }
62
63 public Object getData()
64 {
65 return data;
66 }
67 public void setData(Object data)
68 {
69 this.data = data;
70 }
71
72
75 public boolean isAcceptState()
76 {
77 return allowedTransitions.size() == 0;
78 }
79
80
85 public State addTransition(Transition transition)
86 {
87 allowedTransitions.put(transition.getName(), transition);
88 return this;
89 }
90
91
96 public Transition getTransition(String name)
97 {
98 Transition t = (Transition) allowedTransitions.get(name);
99 return t;
100 }
101
102
105 public Map getTransitions()
106 {
107 return allowedTransitions;
108 }
109
110 public String toString()
111 {
112 StringBuffer tmp = new StringBuffer ("State(name=");
113 tmp.append(name);
114 Iterator i = allowedTransitions.entrySet().iterator();
115 while( i.hasNext() )
116 {
117 Map.Entry e = (Map.Entry ) i.next();
118 tmp.append("\n\t on: ");
119 tmp.append(e.getKey());
120 Transition t = (Transition) e.getValue();
121 tmp.append(" go to: ");
122 tmp.append(t.getTarget().getName());
123 }
124 tmp.append(')');
125 return tmp.toString();
126 }
127 }
128 |
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