Examples with BooleanClause org.apache.lucene.search.BooleanClause used on opensource projects

Example 16 with BooleanClause

use of org.apache.lucene.search.BooleanClause in project elasticsearch by elastic.

the class Queries method applyMinimumShouldMatch.

public static Query applyMinimumShouldMatch(BooleanQuery query, @Nullable String minimumShouldMatch) {
    if (minimumShouldMatch == null) {
        return query;
    }
    int optionalClauses = 0;
    for (BooleanClause c : query.clauses()) {
        if (c.getOccur() == BooleanClause.Occur.SHOULD) {
            optionalClauses++;
        }
    }
    int msm = calculateMinShouldMatch(optionalClauses, minimumShouldMatch);
    if (0 < msm) {
        BooleanQuery.Builder builder = new BooleanQuery.Builder();
        builder.setDisableCoord(query.isCoordDisabled());
        for (BooleanClause clause : query) {
            builder.add(clause);
        }
        builder.setMinimumNumberShouldMatch(msm);
        return builder.build();
    } else {
        return query;
    }
}

Example 17 with BooleanClause

use of org.apache.lucene.search.BooleanClause in project neo4j-mobile-android by neo4j-contrib.

the class FullTxData method injectOrphans.

private Query injectOrphans(Query query) {
    if (query instanceof BooleanQuery) {
        BooleanQuery source = (BooleanQuery) query;
        BooleanQuery result = new BooleanQuery();
        for (BooleanClause clause : source.clauses()) {
            result.add(injectOrphans(clause.getQuery()), clause.getOccur());
        }
        return result;
    } else {
        BooleanQuery result = new BooleanQuery();
        result.add(query, Occur.SHOULD);
        result.add(new TermQuery(new Term(ORPHANS_KEY, extractTermField(query))), Occur.SHOULD);
        return result;
    }
}

Example 18 with BooleanClause

use of org.apache.lucene.search.BooleanClause in project graphdb by neo4j-attic.

the class FullTxData method injectOrphans.

private Query injectOrphans(Query query) {
    if (query instanceof BooleanQuery) {
        BooleanQuery source = (BooleanQuery) query;
        BooleanQuery result = new BooleanQuery();
        for (BooleanClause clause : source.clauses()) {
            result.add(injectOrphans(clause.getQuery()), clause.getOccur());
        }
        return result;
    } else {
        Set<Term> terms = new HashSet<Term>();
        query.extractTerms(terms);
        // TODO Don't only use the first term
        Term term = terms.iterator().next();
        BooleanQuery result = new BooleanQuery();
        result.add(query, Occur.SHOULD);
        result.add(new TermQuery(new Term(ORPHANS_KEY, term.field())), Occur.SHOULD);
        return result;
    }
}

Example 19 with BooleanClause

use of org.apache.lucene.search.BooleanClause in project neo4j by neo4j.

the class FullTxData method injectOrphans.

private Query injectOrphans(Query query) {
    if (query instanceof BooleanQuery) {
        BooleanQuery source = (BooleanQuery) query;
        BooleanQuery.Builder builder = new BooleanQuery.Builder();
        for (BooleanClause clause : source.clauses()) {
            builder.add(injectOrphans(clause.getQuery()), clause.getOccur());
        }
        return builder.build();
    }
    String orphanField = extractTermField(query);
    if (orphanField == null) {
        return query;
    }
    return new BooleanQuery.Builder().add(query, Occur.SHOULD).add(new TermQuery(new Term(ORPHANS_KEY, orphanField)), Occur.SHOULD).build();
}

Example 20 with BooleanClause

use of org.apache.lucene.search.BooleanClause in project querydsl by querydsl.

the class LuceneSerializer method notIn.

protected Query notIn(Operation<?> operation, QueryMetadata metadata, boolean ignoreCase) {
    BooleanQuery bq = new BooleanQuery();
    bq.add(new BooleanClause(in(operation, metadata, false), Occur.MUST_NOT));
    bq.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
    return bq;
}