|
1
2 package simple;
3
4 import java.util.ArrayList  ;
5
6 class MyClass5c extends MyClass5a
7 {
8 boolean factory;
9 private boolean preset;
10 private boolean postset;
11 private int value;
12
13 private void preset(Object obj) {
14 if (!(obj instanceof ArrayList )) {
15 throw new IllegalStateException ("factory called with wrong object");
16 }
17 preset = true;
18 value = 1;
19 }
20
21 private void postset(Object obj) {
22 if (!(obj instanceof ArrayList )) {
23 throw new IllegalStateException ("factory called with wrong object");
24 }
25 postset = true;
26 if (value == 2) {
27 value = 3;
28 }
29 }
30
31 private void preget(Object obj) {
32 if (!(obj instanceof ArrayList )) {
33 throw new IllegalStateException ("factory called with wrong object");
34 }
35 value = 2;
36 }
37
38 protected void verify() {
39 if (!factory || !preset || !postset) {
40 throw new IllegalStateException
41 ("factory, pre-set, or post-set method not called");
42 }
43 }
44 }
45 |
Popular Tags |
Java API By Example, From Geeks To Geeks.