Examples with PhraseSuggestion org.elasticsearch.search.suggest.phrase.PhraseSuggestion used on opensource projects

Example 1 with PhraseSuggestion

use of org.elasticsearch.search.suggest.phrase.PhraseSuggestion in project elasticsearch by elastic.

the class SuggestTests method testFilter.

public void testFilter() throws Exception {
    List<Suggest.Suggestion<? extends Suggest.Suggestion.Entry<? extends Suggest.Suggestion.Entry.Option>>> suggestions;
    CompletionSuggestion completionSuggestion = new CompletionSuggestion(randomAsciiOfLength(10), 2);
    PhraseSuggestion phraseSuggestion = new PhraseSuggestion(randomAsciiOfLength(10), 2);
    TermSuggestion termSuggestion = new TermSuggestion(randomAsciiOfLength(10), 2, SortBy.SCORE);
    suggestions = Arrays.asList(completionSuggestion, phraseSuggestion, termSuggestion);
    Suggest suggest = new Suggest(suggestions);
    List<PhraseSuggestion> phraseSuggestions = suggest.filter(PhraseSuggestion.class);
    assertThat(phraseSuggestions.size(), equalTo(1));
    assertThat(phraseSuggestions.get(0), equalTo(phraseSuggestion));
    List<TermSuggestion> termSuggestions = suggest.filter(TermSuggestion.class);
    assertThat(termSuggestions.size(), equalTo(1));
    assertThat(termSuggestions.get(0), equalTo(termSuggestion));
    List<CompletionSuggestion> completionSuggestions = suggest.filter(CompletionSuggestion.class);
    assertThat(completionSuggestions.size(), equalTo(1));
    assertThat(completionSuggestions.get(0), equalTo(completionSuggestion));
}

Example 2 with PhraseSuggestion

use of org.elasticsearch.search.suggest.phrase.PhraseSuggestion in project elasticsearch by elastic.

the class SuggestionTests method createTestItem.

@SuppressWarnings({ "unchecked", "rawtypes" })
public static Suggestion<? extends Entry<? extends Option>> createTestItem(Class<? extends Suggestion> type) {
    String name = randomAsciiOfLengthBetween(5, 10);
    // note: size will not be rendered via "toXContent", only passed on internally on transport layer
    int size = randomInt();
    Supplier<Entry> entrySupplier = null;
    Suggestion suggestion = null;
    if (type == TermSuggestion.class) {
        suggestion = new TermSuggestion(name, size, randomFrom(SortBy.values()));
        entrySupplier = () -> SuggestionEntryTests.createTestItem(TermSuggestion.Entry.class);
    } else if (type == PhraseSuggestion.class) {
        suggestion = new PhraseSuggestion(name, size);
        entrySupplier = () -> SuggestionEntryTests.createTestItem(PhraseSuggestion.Entry.class);
    } else if (type == CompletionSuggestion.class) {
        suggestion = new CompletionSuggestion(name, size);
        entrySupplier = () -> SuggestionEntryTests.createTestItem(CompletionSuggestion.Entry.class);
    } else {
        throw new UnsupportedOperationException("type not supported [" + type + "]");
    }
    int numEntries;
    if (frequently()) {
        if (type == CompletionSuggestion.class) {
            // CompletionSuggestion can have max. one entry
            numEntries = 1;
        } else {
            numEntries = randomIntBetween(1, 5);
        }
    } else {
        // also occasionally test zero entries
        numEntries = 0;
    }
    for (int i = 0; i < numEntries; i++) {
        suggestion.addTerm(entrySupplier.get());
    }
    return suggestion;
}

Example 3 with PhraseSuggestion

use of org.elasticsearch.search.suggest.phrase.PhraseSuggestion in project elasticsearch by elastic.

the class Suggest method readFrom.

@Override
public void readFrom(StreamInput in) throws IOException {
    final int size = in.readVInt();
    suggestions = new ArrayList<>(size);
    for (int i = 0; i < size; i++) {
        // TODO: remove these complicated generics
        Suggestion<? extends Entry<? extends Option>> suggestion;
        final int type = in.readVInt();
        switch(type) {
            case TermSuggestion.TYPE:
                suggestion = new TermSuggestion();
                break;
            case CompletionSuggestion.TYPE:
                suggestion = new CompletionSuggestion();
                break;
            case // CompletionSuggestion.TYPE
            2:
                throw new IllegalArgumentException("Completion suggester 2.x is not supported anymore");
            case PhraseSuggestion.TYPE:
                suggestion = new PhraseSuggestion();
                break;
            default:
                suggestion = new Suggestion();
                break;
        }
        suggestion.readFrom(in);
        suggestions.add(suggestion);
    }
    hasScoreDocs = filter(CompletionSuggestion.class).stream().anyMatch(CompletionSuggestion::hasScoreDocs);
}