blob: 875c131bcf110780195197d09e3c9e83b29b6642 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package io.dico.dicore.event;
import io.dico.dicore.InterfaceChain;
public interface ChainedListenerHandle extends InterfaceChain<ListenerHandle, ChainedListenerHandle>, ListenerHandle {
@Override
default ChainedListenerHandle getEmptyInstance() {
return ChainedListenerHandles.empty();
}
@Override
default ChainedListenerHandle withElement(ListenerHandle element) {
if (element == null) {
return this;
}
int count = getElementCount() + 1;
return new ChainedListenerHandle() {
@Override
public void register() {
try {
ChainedListenerHandle.this.register();
} finally {
element.register();
}
}
@Override
public void unregister() {
try {
ChainedListenerHandle.this.unregister();
} finally {
element.unregister();
}
}
@Override
public ChainedListenerHandle withoutLastNode() {
return ChainedListenerHandle.this;
}
@Override
public ListenerHandle getDelegateOfLastNode() {
return element;
}
@Override
public int getElementCount() {
return count;
}
};
}
}
|