vmBus_addListener_basic [1022182]

< > BotCompany Repo | #1022182 // vmBus_addListener_basic

JavaX fragment (include)

// listener: voidfunc(S, O) or func(S, O)
static <A> AutoCloseable vmBus_addListener_basic(S msg, O listener) {
  Map<S, Set> map = vm_busListenersByMessage_live();
  synchronized(map) {
    Set listeners = map.get(msg);
    if (listeners == null) map.put(msg, listeners = syncIdentityHashSet());
    // We're technically violating the one-synchronized-object-per-thread rule,
    // but it should be OK here.
    // TODO: remove empty sets from map
    ret tempAdd(listeners, listener);
  }
}

Author comment

Began life as a copy of #1018419

Travelled to 7 computer(s): bhatertpkbcr, cfunsshuasjs, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1022182

Snippet name:

vmBus_addListener_basic

Eternal ID of this version:

#1022182/4

Text MD5:

8fa8466c479fb8a5e3b1e9f4ffe77250

Author:

stefan

Category:

javax / vm

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-03-10 14:18:06

Source code size:

504 bytes / 12 lines

Pitched / IR pitched:

No / No

Views / Downloads:

285 / 336

Version history:

3 change(s)

Referenced in:

[show references]

1	// listener: voidfunc(S, O) or func(S, O)
2	static <A> AutoCloseable vmBus_addListener_basic(S msg, O listener) {
3	Map<S, Set> map = vm_busListenersByMessage_live();
4	synchronized(map) {
5	Set listeners = map.get(msg);
6	if (listeners == null) map.put(msg, listeners = syncIdentityHashSet());
7	// We're technically violating the one-synchronized-object-per-thread rule,
8	// but it should be OK here.
9	// TODO: remove empty sets from map
10	ret tempAdd(listeners, listener);
11	}
12	}