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< > BotCompany Repo | #1032183 // PMapCollector - probabilistic map collector (collects key-value pairs during a probabilistic computation)

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

Libraryless. Click here for Pure Java version (3241L/18K).

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// a scheduler isn't actually referenced, but might be
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// (e.g. for collection stats)
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sclass PMapCollector<A, B> /*extends Probabilistic*/ {
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  new Map<A, B> map;
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  new L<IVF2<A, B>> onNewEntry;
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  new L<IVF3<A, B, B>> onChangedEntry;
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  *() {}
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  *(Map<A, B> *map) {}
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  void put(A key, B value) {
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    bool isNew = !map.containsKey(key);
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    B oldValue = null;
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    bool isChanged = !isNew && !eq(oldValue = map.get(key), value);
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    if (isNew || isChanged)
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      map.put(key, value);
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    if (isNew)
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      pcallFAll(onNewEntry, key, value);
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    else
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      pcallFAll(onChangedEntry, key, oldValue, value);
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  }
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}

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Snippet ID: #1032183
Snippet name: PMapCollector - probabilistic map collector (collects key-value pairs during a probabilistic computation)
Eternal ID of this version: #1032183/6
Text MD5: 98f017f84d9b18ae6767d4e561358052
Transpilation MD5: 6fde69a44bcc1eebb4e688c988b2fbce
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2021-08-17 19:52:35
Source code size: 632 bytes / 22 lines
Pitched / IR pitched: No / No
Views / Downloads: 207 / 350
Version history: 5 change(s)
Referenced in: [show references]