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< > BotCompany Repo | #1009835 // Web + WebNode v2 with strings

JavaX fragment (include)

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sclass WebNode {
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  Web web;
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  new L<S> labels;
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  *() {}
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  *(Web *web) { web.fireNewNode(this); }
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  void addLabel(S label) {
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    if (setAdd(labels, label) && web != null) {
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      web.index(label, this);
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      ++web.size;
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    }
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  }
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  bool hasLabel(S label) { ret labels.contains(label); }
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  toString { ret str(labels); }
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  int count() { ret 1 + l(labels); }
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}
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sclass Web {
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  new L<WebNode> nodes;
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  Map<Pair<WebNode>, WebNode> relations = new HashMap;
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  new MultiMap<S, WebNode> index; // label -> node
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  Map<S, L<WebNode>> pots = new Map;
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  transient Lock lock = reentrantLock(true);
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  int size;
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  static new L onNewNode; // L<voidfunc(WebNode)>
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  static new L onNewLabel; // L<voidfunc(WebNode, S)>
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  bool potNotEmpty(S pot) { ret nempty(getPot(pot)); }
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  L<WebNode> clearPot(S pot) {
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    L<WebNode> l = getPot(pot);
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    L<WebNode> l2 = cloneList(l);
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    l.clear();
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    ret l2;
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  }
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  L<WebNode> getPot(S pot) {
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    L<WebNode> l = pots.get(pot);
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    if (l == null)
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      pots.put(pot, l = cloneList(nodes));
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    ret l;
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  }
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  void relation(S a, S arrow, S b) {
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    getRelation(a, b).addLabel(arrow);
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  }
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  WebNode getRelation(S a, S b) {
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    ret getRelation(findNode(a), findNode(b));
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  }
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  WebNode getRelation(WebNode a, WebNode b) {
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    Pair<WebNode> p = pair(a, b);
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    WebNode r = relations.get(p);
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    if (r == null) relations.put(p, r = newNode());
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    ret r;
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  }
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  WebNode newNode() {
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    WebNode node = new WebNode(this);
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    nodes.add(node); ++size;
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    for (L<WebNode> l : values(pots)) l.add(node);
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    ret node;
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  }
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  WebNode node(S s) { ret findNode(s); }
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  WebNode findNode(S s) {
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    WebNode n = findNodeOpt(s);
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    ret n != null ? n : newNode(s);
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  }
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  WebNode findNodeOpt(S s) {
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    ret first(index.get(s));
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  }
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  WebNode newNode(S... labels) {
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    WebNode n = newNode();
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    for (S label : labels) n.addLabel(label);
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    ret n;
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  }
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  toString { ret webToString(this); }
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  int count() {
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    ret size;
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    /*int count = 0;
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    for (WebNode n : nodes) count += n.count();
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    for (WebNode n : values(relations)) count += n.count();
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    ret count;*/
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  }
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  void index(S label, WebNode n) {
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    index.put(label, n);
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    fireNewLabel(n, label);
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  }
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  void clear {
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    size = 0;
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    clearAll(nodes, relations, index, pots);
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  }
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  void fireNewNode(WebNode node) { for (O f : onNewNode) pcallF(f, node); }
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  void fireNewLabel(WebNode node, S label) { for (O f : onNewLabel) pcallF(f, node, label); }
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}

Author comment

Began life as a copy of #1007689

download  show line numbers  debug dex  old transpilations   

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Snippet ID: #1009835
Snippet name: Web + WebNode v2 with strings
Eternal ID of this version: #1009835/3
Text MD5: 7286c6db9d0085df81713a46bb8933d0
Author: stefan
Category: javax / a.i.
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2017-08-21 01:55:05
Source code size: 2575 bytes / 109 lines
Pitched / IR pitched: No / No
Views / Downloads: 299 / 332
Version history: 2 change(s)
Referenced in: [show references]