Example usage for org.apache.lucene.search BooleanQuery BooleanQuery

Introduction

In this page you can find the example usage for org.apache.lucene.search BooleanQuery BooleanQuery.

Prototype

BooleanQuery

Source Link

Usage

From source file:com.peergreen.deployment.repository.internal.maven.MavenRepositoryServiceImpl.java

License:Open Source License

private Query createQuery(String filter) {
    BooleanQuery query = new BooleanQuery();
    String f = wildCardFilter(filter);
    Query q = new WildcardQuery(new Term(ArtifactInfo.GROUP_ID, f));
    query.add(q, BooleanClause.Occur.SHOULD);
    q = new WildcardQuery(new Term(ArtifactInfo.ARTIFACT_ID, f));
    query.add(q, BooleanClause.Occur.SHOULD);
    q = new WildcardQuery(new Term(ArtifactInfo.CLASSIFIER, f));
    query.add(q, BooleanClause.Occur.SHOULD);
    q = new WildcardQuery(new Term(ArtifactInfo.VERSION, f));
    query.add(q, BooleanClause.Occur.SHOULD);
    return query;
}

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From source file:com.peergreen.deployment.repository.internal.maven.MavenRepositoryServiceImpl.java

License:Open Source License

protected Query createQuery(com.peergreen.deployment.repository.search.Query[] queries) {
    BooleanQuery query = new BooleanQuery();
    // gets all packaging
    Query q = new WildcardQuery(new Term(ArtifactInfo.PACKAGING, "*"));
    query.add(q, BooleanClause.Occur.SHOULD);

    // Transform Queries
    for (com.peergreen.deployment.repository.search.Query pQuery : queries) {
        if (!(pQuery instanceof RepositoryQuery)) {
            BaseQueryVisitor visitor = new BaseQueryVisitor();
            pQuery.walk(visitor);//  w  ww . ja  v a  2  s .  co  m
            query.add(visitor.getQuery(), BooleanClause.Occur.MUST);
        }
    }

    return query;
}

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From source file:com.peergreen.deployment.repository.internal.search.BaseQueryVisitor.java

License:Open Source License

public BaseQueryVisitor() {
    finalQuery = new BooleanQuery();
}

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From source file:com.plugtree.solradvert.core.AdvertQueryImpl.java

License:Apache License

@Override
public void boost(String qstr) {
    logger.debug("Adding boost query: " + qstr);
    try {/*w  w w.j  a  va 2 s  .co m*/
        QParser qparser = QParser.getParser(qstr, FunctionQParserPlugin.NAME, rb.req);
        Query qq = qparser.parse();

        BooleanQuery newq = new BooleanQuery();
        newq.add(new BooleanClause(q, Occur.MUST));
        newq.add(new BooleanClause(qq, Occur.SHOULD));

        rb.setQuery(newq);
    } catch (ParseException ex) {
        logger.error("Error while adding boost query: " + ex);
    }
}

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From source file:com.pongasoft.kiwidoc.index.impl.keyword.impl.KeywordIndexImpl.java

License:Apache License

/**
 * Generates a simple query: a boolean query made of TermQuery separated
 * by AND./*  w  ww. j a v a2s. co  m*/
 *
 * @param query
 * @return <code>null</code> if there is no terms
 * @throws ParseException
 */
private Query generateSimpleQuery(String keyword, String field) throws ParseException {
    int termCount = 0;
    TokenStream source = _analyzer.tokenStream(field, new StringReader(keyword));

    BooleanQuery q = new BooleanQuery();
    org.apache.lucene.analysis.Token t = new org.apache.lucene.analysis.Token();

    while (true) {
        try {
            t = source.next(t);
        } catch (IOException e) {
            if (log.isDebugEnabled())
                log.debug("ingnored exception", e);

            t = null;
        }

        if (t == null)
            break;

        termCount++;
        q.add(new TermQuery(new Term(field, t.term())), BooleanClause.Occur.MUST);
    }
    try {
        source.close();
    } catch (IOException e) {
        if (log.isDebugEnabled())
            log.debug("ingnored exception", e);
    }

    if (termCount == 0) {
        return null;
    }

    BooleanClause[] clauses = q.getClauses();

    if (clauses != null && clauses.length == 1)
        return clauses[0].getQuery();

    return q;
}

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From source file:com.querydsl.lucene3.LuceneSerializer.java

License:Apache License

private Query toQuery(Operation<?> operation, QueryMetadata metadata) {
    Operator op = operation.getOperator();
    if (op == Ops.OR) {
        return toTwoHandSidedQuery(operation, Occur.SHOULD, metadata);
    } else if (op == Ops.AND) {
        return toTwoHandSidedQuery(operation, Occur.MUST, metadata);
    } else if (op == Ops.NOT) {
        BooleanQuery bq = new BooleanQuery();
        bq.add(new BooleanClause(toQuery(operation.getArg(0), metadata), Occur.MUST_NOT));
        bq.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
        return bq;
    } else if (op == Ops.LIKE) {
        return like(operation, metadata);
    } else if (op == Ops.EQ) {
        return eq(operation, metadata, false);
    } else if (op == Ops.EQ_IGNORE_CASE) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.NE) {
        return ne(operation, metadata, false);
    } else if (op == Ops.STARTS_WITH) {
        return startsWith(metadata, operation, false);
    } else if (op == Ops.STARTS_WITH_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.ENDS_WITH) {
        return endsWith(operation, metadata, false);
    } else if (op == Ops.ENDS_WITH_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.STRING_CONTAINS) {
        return stringContains(operation, metadata, false);
    } else if (op == Ops.STRING_CONTAINS_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.BETWEEN) {
        return between(operation, metadata);
    } else if (op == Ops.IN) {
        return in(operation, metadata, false);
    } else if (op == Ops.NOT_IN) {
        return notIn(operation, metadata, false);
    } else if (op == Ops.LT) {
        return lt(operation, metadata);
    } else if (op == Ops.GT) {
        return gt(operation, metadata);
    } else if (op == Ops.LOE) {
        return le(operation, metadata);
    } else if (op == Ops.GOE) {
        return ge(operation, metadata);
    } else if (op == LuceneOps.LUCENE_QUERY) {
        @SuppressWarnings("unchecked") //This is the expected type
        Query rv = ((Constant<Query>) operation.getArg(0)).getConstant();
        return rv;
    }/*from   w  w  w . jav a 2  s. c  o  m*/
    throw new UnsupportedOperationException("Illegal operation " + operation);
}

---

From source file:com.querydsl.lucene3.LuceneSerializer.java

License:Apache License

protected Query in(Operation<?> operation, QueryMetadata metadata, boolean ignoreCase) {
    Path<?> path = getPath(operation.getArg(0));
    String field = toField(path);
    @SuppressWarnings("unchecked") //This is the second argument type
    Constant<Collection<?>> collConstant = (Constant<Collection<?>>) operation.getArg(1);
    Collection<?> values = collConstant.getConstant();
    BooleanQuery bq = new BooleanQuery();
    if (Number.class.isAssignableFrom(path.getType())) {
        for (Object value : values) {
            TermQuery eq = new TermQuery(new Term(field, convertNumber((Number) value)));
            bq.add(eq, Occur.SHOULD);/*from  w  ww.ja  v  a  2  s .com*/
        }
    } else {
        for (Object value : values) {
            String[] str = convert(path, value);
            bq.add(eq(field, str, ignoreCase), Occur.SHOULD);
        }
    }
    return bq;
}

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From source file:com.querydsl.lucene3.LuceneSerializer.java

License:Apache License

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;//from   w ww  .j  ava2s .co m
}

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From source file:com.querydsl.lucene4.LuceneSerializer.java

License:Apache License

private Query toQuery(Operation<?> operation, QueryMetadata metadata) {
    Operator op = operation.getOperator();
    if (op == Ops.OR) {
        return toTwoHandSidedQuery(operation, Occur.SHOULD, metadata);
    } else if (op == Ops.AND) {
        return toTwoHandSidedQuery(operation, Occur.MUST, metadata);
    } else if (op == Ops.NOT) {
        BooleanQuery bq = new BooleanQuery();
        bq.add(new BooleanClause(toQuery(operation.getArg(0), metadata), Occur.MUST_NOT));
        bq.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
        return bq;
    } else if (op == Ops.LIKE) {
        return like(operation, metadata);
    } else if (op == Ops.EQ) {
        return eq(operation, metadata, false);
    } else if (op == Ops.EQ_IGNORE_CASE) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.NE) {
        return ne(operation, metadata, false);
    } else if (op == Ops.STARTS_WITH) {
        return startsWith(metadata, operation, false);
    } else if (op == Ops.STARTS_WITH_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.ENDS_WITH) {
        return endsWith(operation, metadata, false);
    } else if (op == Ops.ENDS_WITH_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.STRING_CONTAINS) {
        return stringContains(operation, metadata, false);
    } else if (op == Ops.STRING_CONTAINS_IC) {
        throw new IgnoreCaseUnsupportedException();
    } else if (op == Ops.BETWEEN) {
        return between(operation, metadata);
    } else if (op == Ops.IN) {
        return in(operation, metadata, false);
    } else if (op == Ops.NOT_IN) {
        return notIn(operation, metadata, false);
    } else if (op == Ops.LT) {
        return lt(operation, metadata);
    } else if (op == Ops.GT) {
        return gt(operation, metadata);
    } else if (op == Ops.LOE) {
        return le(operation, metadata);
    } else if (op == Ops.GOE) {
        return ge(operation, metadata);
    } else if (op == LuceneOps.LUCENE_QUERY) {
        @SuppressWarnings("unchecked") //this is the expected type
        Constant<Query> expectedConstant = (Constant<Query>) operation.getArg(0);
        return expectedConstant.getConstant();
    }/*www.  j  a  va  2s  .  c o m*/
    throw new UnsupportedOperationException("Illegal operation " + operation);
}

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From source file:com.querydsl.lucene4.LuceneSerializer.java

License:Apache License

protected Query in(Operation<?> operation, QueryMetadata metadata, boolean ignoreCase) {
    Path<?> path = getPath(operation.getArg(0));
    String field = toField(path);
    @SuppressWarnings("unchecked") //this is the expected type
    Constant<Collection<?>> expectedConstant = (Constant<Collection<?>>) operation.getArg(1);
    Collection<?> values = expectedConstant.getConstant();
    BooleanQuery bq = new BooleanQuery();
    if (Number.class.isAssignableFrom(path.getType())) {
        for (Object value : values) {
            TermQuery eq = new TermQuery(new Term(field, convertNumber((Number) value)));
            bq.add(eq, Occur.SHOULD);//from  www.ja  v  a 2  s .  co  m
        }
    } else {
        for (Object value : values) {
            String[] str = convert(path, value);
            bq.add(eq(field, str, ignoreCase), Occur.SHOULD);
        }
    }
    return bq;
}

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