Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

36
LINES

< > BotCompany Repo | #1013619 // collectionMutex - get mutex field of KeySet etc.

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (62L/1K).

// TODO: JDK 17!! ?? No! Yes? Yes!!

static O collectionMutex(L l) {
  ret l;
}

static O collectionMutex(O o) {
  ifndef collectionMutex_simple

  if (o instanceof L) ret o;
  
  // TODO: actually use our own maps so we can get the mutex properly
  
  S c = className(o);
  ifdef collectionMutex_legacy
  if (eq(c, "java.util.TreeMap$KeySet"))
    c = className(o = getOpt(o, 'm));
  else if (eq(c, "java.util.HashMap$KeySet"))
    c = className(o = get_raw(o, 'this$0));

  ifdef collectionMutex_debug
    print("Class name: " + className(o));
  endifdef
  
  if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
    c = className(o = get_raw(o, 'm));
  endifdef
    
  ifclass WeakHashSet
  if (o instanceof WeakHashSet)
    /*c = className*/(o = o/WeakHashSet.mutex());
  endif
    
  endifndef
  ret o;
}

Author comment

Began life as a copy of #1013098

download  show line numbers  debug dex  old transpilations   

Travelled to 16 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, jozkyjcghlvl, lpdgvwnxivlt, mqqgnosmbjvj, onxytkatvevr, podlckwnjdmb, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt

No comments. add comment

Snippet ID: #1013619
Snippet name: collectionMutex - get mutex field of KeySet etc.
Eternal ID of this version: #1013619/16
Text MD5: bce2abdcf5382c10f8a2732841b84e90
Transpilation MD5: 400418b39755edf36b469586a3be6f90
Author: stefan
Category: javax / collections
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-01-20 01:32:21
Source code size: 882 bytes / 36 lines
Pitched / IR pitched: No / No
Views / Downloads: 374 / 666
Version history: 15 change(s)
Referenced in: [show references]