1 | sclass WeakHashSet<A> extends AbstractSet<A> {
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2 | Map<A, Bool> map = newWeakHashMap(); |
3 | |
4 | public int size() { ret map.size(); }
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5 | public Iterator<A> iterator() { ret keys(map).iterator(); }
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6 | public bool contains(O o) { ret map.containsKey(o); }
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7 | |
8 | public bool add(A a) {
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9 | ret map.put(a, Bool.TRUE) != null; |
10 | } |
11 | public bool remove(O o) { ret map.remove(o) != null; }
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12 | |
13 | O mutex() { ret collectionMutex(map); }
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14 | } |
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| Snippet ID: | #1011596 |
| Snippet name: | WeakHashSet (hopefully complete, synchronized) |
| Eternal ID of this version: | #1011596/8 |
| Text MD5: | 7b4383335b06d9e412fc848b5735521b |
| Author: | stefan |
| Category: | javax / collections |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-01-11 15:13:34 |
| Source code size: | 434 bytes / 14 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 563 / 2258 |
| Version history: | 7 change(s) |
| Referenced in: | [show references] |