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1
7 package org.jboss.test;
8
9 import java.io.FilePermission  ;
10 import java.net.URL ;
11 import java.security.CodeSource ;
12 import java.security.Permission ;
13 import java.security.PermissionCollection ;
14 import java.security.Policy ;
15
16 import org.jboss.util.TimedCachePolicy;
17
18
25 public class TstTimedCache
26 {
27 static class Refreshable implements TimedCachePolicy.TimedEntry
28 {
29 int refreshes;
30 long expirationTime;
31 Object value;
32 Refreshable(long lifetime, Object value, int refreshes)
33 {
34 this.expirationTime = 1000 * lifetime;
35 this.value = value;
36 this.refreshes = refreshes;
37 }
38 public void init(long now)
39 {
40 expirationTime += now;
41 System.out.println(value+".init("+now+"), expirationTime="+expirationTime);
42 }
43 public boolean isCurrent(long now)
44 {
45 System.out.println(value+".isCurrent("+now+") = "+(expirationTime > now));
46 return expirationTime > now;
47 }
48 public boolean refresh()
49 {
50 refreshes --;
51 System.out.println(value+".refresh() = "+(refreshes > 0));
52 return refreshes > 0;
53 }
54 public void destroy()
55 {
56 System.out.println(value+".destroy()");
57 }
58 public Object getValue()
59 {
60 return value;
61 }
62 }
63
64
67 public static void main(String args[])
68 {
69 TimedCachePolicy cache = new TimedCachePolicy(20, false, 1);
70 cache.create();
71 cache.start();
72 cache.insert("1", new Refreshable(5, "value1", 4));
73 cache.insert("2", new Refreshable(3, "value2", 10));
74 cache.insert("3", "value3");
75 long start = System.currentTimeMillis();
76 while( cache.peek("2") != null )
78 {
79 long now = System.currentTimeMillis();
80 System.out.println("Elapsed: "+(now - start) / 1000);
81 System.out.println("get(1) -> "+cache.get("1"));
82 System.out.println("get(2) -> "+cache.get("2"));
83 System.out.println("get(3) -> "+cache.get("3"));
84 try
85 {
86 Thread.currentThread().sleep(3*1000);
87 }
88 catch(InterruptedException e)
89 {
90 }
91 }
92 long now = System.currentTimeMillis();
93 System.out.println("End, elapsed: "+(now - start) / 1000);
94 System.out.println("get(1) -> "+cache.get("1"));
95 System.out.println("get(2) -> "+cache.get("2"));
96 System.out.println("get(3) -> "+cache.get("3"));
97 }
98
99 }
100 |
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