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< > BotCompany Repo | #1019072 // vm_generalMap_getOrCreate

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

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static <A> A vm_generalMap_getOrCreate(O key, F0<A> create) {
  ret vm_generalMap_getOrCreate(key, f0ToIF0(create));
}

static <A> A vm_generalMap_getOrCreate(O key, IF0<A> create) {
  Map generalMap = vm_generalMap();
  if (generalMap == null) null; // must be x30 init
  
  synchronized(generalMap) { // should switch to locks here
    A a = cast vm_generalMap_get(key);
    if (a == null)
      vm_generalMap_put(key, a = create?!);
    ret a;
  }
}

Author comment

Began life as a copy of #1019071

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Snippet ID: #1019072
Snippet name: vm_generalMap_getOrCreate
Eternal ID of this version: #1019072/8
Text MD5: d21092e6b887fd99a2c1588616dfb90a
Transpilation MD5: 530ba237636aea3b448e100c2277c88b
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2021-06-12 00:38:29
Source code size: 468 bytes / 15 lines
Pitched / IR pitched: No / No
Views / Downloads: 298 / 391
Version history: 7 change(s)
Referenced in: [show references]