1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
package org.apache.tapestry.enhance; |
15 |
|
|
16 |
|
import javassist.CtClass; |
17 |
|
import org.apache.hivemind.ApplicationRuntimeException; |
18 |
|
import org.apache.hivemind.service.ClassFab; |
19 |
|
import org.apache.hivemind.service.ClassFactory; |
20 |
|
import org.apache.hivemind.service.InterfaceFab; |
21 |
|
import org.apache.tapestry.event.ResetEventListener; |
22 |
|
|
23 |
|
|
24 |
|
|
25 |
|
|
26 |
|
|
27 |
35 |
public class ClassFactoryImpl implements ClassFactory, ResetEventListener { |
28 |
|
|
29 |
|
static final int EXPIRED_CLASS_COUNT = 120; |
30 |
|
|
31 |
|
|
32 |
|
|
33 |
|
|
34 |
35 |
private HiveMindClassPool _pool = new HiveMindClassPool(); |
35 |
|
|
36 |
35 |
private CtClassSource _classSource = new CtClassSource(_pool); |
37 |
|
|
38 |
35 |
private int _classCounter = 0; |
39 |
|
|
40 |
|
public ClassFab newClass(String name, Class superClass) |
41 |
|
{ |
42 |
|
try |
43 |
|
{ |
44 |
297 |
checkPoolExpiration(); |
45 |
|
|
46 |
297 |
CtClass ctNewClass = _classSource.newClass(name, superClass); |
47 |
|
|
48 |
297 |
return new ClassFabImpl(_classSource, ctNewClass); |
49 |
|
} |
50 |
0 |
catch (Exception ex) |
51 |
|
{ |
52 |
0 |
throw new ApplicationRuntimeException(EnhanceMessages.unableToCreateClass(name, superClass, ex), ex); |
53 |
|
} |
54 |
|
} |
55 |
|
|
56 |
|
|
57 |
|
|
58 |
|
public InterfaceFab newInterface(String name) |
59 |
|
{ |
60 |
|
try |
61 |
|
{ |
62 |
0 |
checkPoolExpiration(); |
63 |
|
|
64 |
0 |
CtClass ctNewClass = _classSource.newInterface(name); |
65 |
|
|
66 |
0 |
return new InterfaceFabImpl(_classSource, ctNewClass); |
67 |
|
} |
68 |
0 |
catch (Exception ex) |
69 |
|
{ |
70 |
0 |
throw new ApplicationRuntimeException(EnhanceMessages.unableToCreateInterface(name, ex), ex); |
71 |
|
} |
72 |
|
|
73 |
|
} |
74 |
|
|
75 |
|
public void resetEventDidOccur() |
76 |
|
{ |
77 |
0 |
if (_classCounter >= EXPIRED_CLASS_COUNT) |
78 |
|
{ |
79 |
0 |
_classCounter = 0; |
80 |
|
|
81 |
0 |
_pool = new HiveMindClassPool(); |
82 |
0 |
_classSource.setPool(_pool); |
83 |
|
} |
84 |
0 |
} |
85 |
|
|
86 |
|
void checkPoolExpiration() |
87 |
|
{ |
88 |
297 |
_classCounter++; |
89 |
297 |
} |
90 |
|
} |