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1 | transient sclass DoubleWordIndex<A> {
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2 | new WordIndex<A> index1; // forwards (normal words) |
3 | new WordIndex<A> index2; // backwards (reversed words) |
4 | |
5 | *() {}
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6 | |
7 | *(Comparator<A> valueComparator) {
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8 | index1 = new WordIndex(valueComparator); |
9 | index2 = new WordIndex(valueComparator); |
10 | } |
11 | |
12 | *(Map<A, S> map) { fOr (A a, S text : map) add(a, text); }
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13 | |
14 | void add(A a, S text) {
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15 | Set<S> words = extractWords(text); |
16 | for (S word : words) |
17 | addWord(a, word); |
18 | } |
19 | |
20 | void addWord(A a, S word) {
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21 | index1.addWord(a, word); |
22 | index2.addWord(a, reversed(word)); |
23 | } |
24 | |
25 | Set<A> get(S word) {
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26 | ret index1.get(word); |
27 | } |
28 | |
29 | Set<S> extractWords(S text) {
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30 | ret index1.extractWords(text); |
31 | } |
32 | |
33 | L<IntRange> wordRanges(S text) {
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34 | ret index1.wordRanges(text); |
35 | } |
36 | |
37 | int numWords() { ret index1.numWords(); }
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38 | } |
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| Snippet ID: | #1029004 |
| Snippet name: | DoubleWordIndex - words indexed forwards and backwards |
| Eternal ID of this version: | #1029004/8 |
| Text MD5: | ff3a9c1ccb45f60c983f1500959080a9 |
| Transpilation MD5: | b7b527e20d901a68ea24edf87b3ef102 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-07-16 20:49:17 |
| Source code size: | 877 bytes / 38 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 229 / 528 |
| Version history: | 7 change(s) |
| Referenced in: | [show references] |