1 | sclass WebNode {
|
2 | Web web; |
3 | new L<S> labels; |
4 | |
5 | *() {}
|
6 | *(Web *web) { web.fireNewNode(this); }
|
7 | |
8 | void addLabel(S label) {
|
9 | if (setAdd(labels, label) && web != null) {
|
10 | web.index(label, this); |
11 | ++web.size; |
12 | } |
13 | } |
14 | |
15 | bool hasLabel(S label) { ret labels.contains(label); }
|
16 | |
17 | toString { ret str(labels); }
|
18 | |
19 | int count() { ret 1 + l(labels); }
|
20 | } |
21 | |
22 | sclass Web {
|
23 | new L<WebNode> nodes; |
24 | Map<Pair<WebNode>, WebNode> relations = new HashMap; |
25 | new MultiMap<S, WebNode> index; // label -> node |
26 | Map<S, L<WebNode>> pots = new Map; |
27 | transient Lock lock = reentrantLock(true); |
28 | int size; |
29 | static new L onNewNode; // L<voidfunc(WebNode)> |
30 | static new L onNewLabel; // L<voidfunc(WebNode, S)> |
31 | |
32 | bool potNotEmpty(S pot) { ret nempty(getPot(pot)); }
|
33 | |
34 | L<WebNode> clearPot(S pot) {
|
35 | L<WebNode> l = getPot(pot); |
36 | L<WebNode> l2 = cloneList(l); |
37 | l.clear(); |
38 | ret l2; |
39 | } |
40 | |
41 | L<WebNode> getPot(S pot) {
|
42 | L<WebNode> l = pots.get(pot); |
43 | if (l == null) |
44 | pots.put(pot, l = cloneList(nodes)); |
45 | ret l; |
46 | } |
47 | |
48 | void relation(S a, S arrow, S b) {
|
49 | getRelation(a, b).addLabel(arrow); |
50 | } |
51 | |
52 | WebNode getRelation(S a, S b) {
|
53 | ret getRelation(findNode(a), findNode(b)); |
54 | } |
55 | |
56 | WebNode getRelation(WebNode a, WebNode b) {
|
57 | Pair<WebNode> p = pair(a, b); |
58 | WebNode r = relations.get(p); |
59 | if (r == null) relations.put(p, r = newNode()); |
60 | ret r; |
61 | } |
62 | |
63 | WebNode newNode() {
|
64 | WebNode node = new WebNode(this); |
65 | nodes.add(node); ++size; |
66 | for (L<WebNode> l : values(pots)) l.add(node); |
67 | ret node; |
68 | } |
69 | |
70 | WebNode node(S s) { ret findNode(s); }
|
71 | |
72 | WebNode findNode(S s) {
|
73 | WebNode n = findNodeOpt(s); |
74 | ret n != null ? n : newNode(s); |
75 | } |
76 | |
77 | WebNode findNodeOpt(S s) {
|
78 | ret first(index.get(s)); |
79 | } |
80 | |
81 | WebNode newNode(S... labels) {
|
82 | WebNode n = newNode(); |
83 | for (S label : labels) n.addLabel(label); |
84 | ret n; |
85 | } |
86 | |
87 | toString { ret webToString(this); }
|
88 | |
89 | int count() {
|
90 | ret size; |
91 | /*int count = 0; |
92 | for (WebNode n : nodes) count += n.count(); |
93 | for (WebNode n : values(relations)) count += n.count(); |
94 | ret count;*/ |
95 | } |
96 | |
97 | void index(S label, WebNode n) {
|
98 | index.put(label, n); |
99 | fireNewLabel(n, label); |
100 | } |
101 | |
102 | void clear {
|
103 | size = 0; |
104 | clearAll(nodes, relations, index, pots); |
105 | } |
106 | |
107 | void fireNewNode(WebNode node) { for (O f : onNewNode) pcallF(f, node); }
|
108 | void fireNewLabel(WebNode node, S label) { for (O f : onNewLabel) pcallF(f, node, label); }
|
109 | } |
Began life as a copy of #1007689
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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: | 405 / 436 |
| Version history: | 2 change(s) |
| Referenced in: | [show references] |