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1 package tests.jfun.models;
2
3 public class LifecycleTransition {
4 private int status = 0;
5 private String  status_name = "uninitialized";
6
7 public LifecycleTransition() {
8 target_stamp = 0;
9 }
10 private final int target_stamp;
11
12 public LifecycleTransition(int target_stamp) {
13 this.target_stamp = target_stamp;
14 }
15
16 private void migrateStatus(String name, int target){
17 if(status!=target-1){
18 throw new IllegalStateException ("cannot migrate from "
19 +status_name + " to " + name);
20 }
21 status_name = name;
22 status = target;
23 }
24
25 public void init(){
26 migrateStatus("initialized", 1);
27 }
29 public void start(){
30 migrateStatus("started", 2);
31 }
32 public void stop(){
33 migrateStatus("stopped", 3);
34 }
35 public void dispose(){
36 migrateStatus("disposed", 4);
37 }
39 public String toString(){
40 return "lifecycle";
41 }
42 private int stamp = 0;
43 public void init(int s){
44 migrateStatus("initialized", 1);
45 stamp += s;
46 }
47 public void start(int s){
48 migrateStatus("started", 2);
49 stamp += s;
50 }
51 public void stop(int s){
52 migrateStatus("stopped", 3);
53 stamp += s;
54 }
55 public void dispose(int s){
56 migrateStatus("disposed", 4);
57 stamp += s;
58 if(stamp != target_stamp){
59 throw new IllegalStateException (
60 "stamp mismatch. "+stamp+"!="+target_stamp
61 );
62 }
63 }
65
66 }
67 |
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