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sclass ObjectIndexByClass { // preserving addition order is nice MultiSetMap<Class, O> index = multiSetMap_innerLinkedHashSet(); void add(O o) { if (o != null) index.put(o.getClass(), o); } void remove(O o) { if (o != null) index.remove(o.getClass(), o); } // never returns null <A> Set<A> get(Class<A> c) { ret (Set) index.get(c); } }
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Snippet ID: | #1028372 |
Snippet name: | ObjectIndexByClass |
Eternal ID of this version: | #1028372/4 |
Text MD5: | 746488b3a3797a9dd1202a2c74c59eb8 |
Transpilation MD5: | 7b274b753a29ea290506a8e659621cf6 |
Author: | stefan |
Category: | javax |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2020-06-14 16:57:32 |
Source code size: | 404 bytes / 19 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 252 / 556 |
Version history: | 3 change(s) |
Referenced in: | #1034167 - Standard Classes + Interfaces (LIVE, continuation of #1003674) |