Examples with SlopQueryNode org.apache.lucene.queryparser.flexible.core.nodes.SlopQueryNode used on opensource projects

Example 1 with SlopQueryNode

use of org.apache.lucene.queryparser.flexible.core.nodes.SlopQueryNode in project lucene-solr by apache.

the class StandardSyntaxParser method Term.

public final QueryNode Term(CharSequence field) throws ParseException {
    Token term, boost = null, fuzzySlop = null, goop1, goop2;
    boolean fuzzy = false;
    boolean regexp = false;
    boolean startInc = false;
    boolean endInc = false;
    QueryNode q = null;
    FieldQueryNode qLower, qUpper;
    float defaultMinSimilarity = org.apache.lucene.search.FuzzyQuery.defaultMinSimilarity;
    switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
        case TERM:
        case REGEXPTERM:
        case NUMBER:
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case TERM:
                    term = jj_consume_token(TERM);
                    q = new FieldQueryNode(field, EscapeQuerySyntaxImpl.discardEscapeChar(term.image), term.beginColumn, term.endColumn);
                    break;
                case REGEXPTERM:
                    term = jj_consume_token(REGEXPTERM);
                    regexp = true;
                    break;
                case NUMBER:
                    term = jj_consume_token(NUMBER);
                    break;
                default:
                    jj_la1[13] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case FUZZY_SLOP:
                    fuzzySlop = jj_consume_token(FUZZY_SLOP);
                    fuzzy = true;
                    break;
                default:
                    jj_la1[14] = jj_gen;
                    ;
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case CARAT:
                    jj_consume_token(CARAT);
                    boost = jj_consume_token(NUMBER);
                    switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                        case FUZZY_SLOP:
                            fuzzySlop = jj_consume_token(FUZZY_SLOP);
                            fuzzy = true;
                            break;
                        default:
                            jj_la1[15] = jj_gen;
                            ;
                    }
                    break;
                default:
                    jj_la1[16] = jj_gen;
                    ;
            }
            if (fuzzy) {
                float fms = defaultMinSimilarity;
                try {
                    fms = Float.parseFloat(fuzzySlop.image.substring(1));
                } catch (Exception ignored) {
                }
                if (fms < 0.0f) {
                    {
                        if (true)
                            throw new ParseException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX_FUZZY_LIMITS));
                    }
                } else if (fms >= 1.0f && fms != (int) fms) {
                    {
                        if (true)
                            throw new ParseException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX_FUZZY_EDITS));
                    }
                }
                q = new FuzzyQueryNode(field, EscapeQuerySyntaxImpl.discardEscapeChar(term.image), fms, term.beginColumn, term.endColumn);
            } else if (regexp) {
                String re = term.image.substring(1, term.image.length() - 1);
                q = new RegexpQueryNode(field, re, 0, re.length());
            }
            break;
        case RANGEIN_START:
        case RANGEEX_START:
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case RANGEIN_START:
                    jj_consume_token(RANGEIN_START);
                    startInc = true;
                    break;
                case RANGEEX_START:
                    jj_consume_token(RANGEEX_START);
                    break;
                default:
                    jj_la1[17] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case RANGE_GOOP:
                    goop1 = jj_consume_token(RANGE_GOOP);
                    break;
                case RANGE_QUOTED:
                    goop1 = jj_consume_token(RANGE_QUOTED);
                    break;
                case RANGE_TO:
                    goop1 = jj_consume_token(RANGE_TO);
                    break;
                default:
                    jj_la1[18] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
            }
            jj_consume_token(RANGE_TO);
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case RANGE_GOOP:
                    goop2 = jj_consume_token(RANGE_GOOP);
                    break;
                case RANGE_QUOTED:
                    goop2 = jj_consume_token(RANGE_QUOTED);
                    break;
                case RANGE_TO:
                    goop2 = jj_consume_token(RANGE_TO);
                    break;
                default:
                    jj_la1[19] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case RANGEIN_END:
                    jj_consume_token(RANGEIN_END);
                    endInc = true;
                    break;
                case RANGEEX_END:
                    jj_consume_token(RANGEEX_END);
                    break;
                default:
                    jj_la1[20] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case CARAT:
                    jj_consume_token(CARAT);
                    boost = jj_consume_token(NUMBER);
                    break;
                default:
                    jj_la1[21] = jj_gen;
                    ;
            }
            if (goop1.kind == RANGE_QUOTED) {
                goop1.image = goop1.image.substring(1, goop1.image.length() - 1);
            }
            if (goop2.kind == RANGE_QUOTED) {
                goop2.image = goop2.image.substring(1, goop2.image.length() - 1);
            }
            qLower = new FieldQueryNode(field, EscapeQuerySyntaxImpl.discardEscapeChar(goop1.image), goop1.beginColumn, goop1.endColumn);
            qUpper = new FieldQueryNode(field, EscapeQuerySyntaxImpl.discardEscapeChar(goop2.image), goop2.beginColumn, goop2.endColumn);
            q = new TermRangeQueryNode(qLower, qUpper, startInc ? true : false, endInc ? true : false);
            break;
        case QUOTED:
            term = jj_consume_token(QUOTED);
            q = new QuotedFieldQueryNode(field, EscapeQuerySyntaxImpl.discardEscapeChar(term.image.substring(1, term.image.length() - 1)), term.beginColumn + 1, term.endColumn - 1);
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case FUZZY_SLOP:
                    fuzzySlop = jj_consume_token(FUZZY_SLOP);
                    break;
                default:
                    jj_la1[22] = jj_gen;
                    ;
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case CARAT:
                    jj_consume_token(CARAT);
                    boost = jj_consume_token(NUMBER);
                    break;
                default:
                    jj_la1[23] = jj_gen;
                    ;
            }
            int phraseSlop = 0;
            if (fuzzySlop != null) {
                try {
                    phraseSlop = (int) Float.parseFloat(fuzzySlop.image.substring(1));
                    q = new SlopQueryNode(q, phraseSlop);
                } catch (Exception ignored) {
                /* Should this be handled somehow? (defaults to "no PhraseSlop", if
           * slop number is invalid)
           */
                }
            }
            break;
        default:
            jj_la1[24] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
    }
    if (boost != null) {
        float f = (float) 1.0;
        try {
            f = Float.parseFloat(boost.image);
            // avoid boosting null queries, such as those caused by stop words
            if (q != null) {
                q = new BoostQueryNode(q, f);
            }
        } catch (Exception ignored) {
        /* Should this be handled somehow? (defaults to "no boost", if
           * boost number is invalid)
           */
        }
    }
    {
        if (true)
            return q;
    }
    throw new Error("Missing return statement in function");
}

Example 2 with SlopQueryNode

use of org.apache.lucene.queryparser.flexible.core.nodes.SlopQueryNode in project lucene-solr by apache.

the class SlopQueryNodeBuilder method build.

@Override
public Query build(QueryNode queryNode) throws QueryNodeException {
    SlopQueryNode phraseSlopNode = (SlopQueryNode) queryNode;
    Query query = (Query) phraseSlopNode.getChild().getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
    if (query instanceof PhraseQuery) {
        PhraseQuery.Builder builder = new PhraseQuery.Builder();
        builder.setSlop(phraseSlopNode.getValue());
        PhraseQuery pq = (PhraseQuery) query;
        org.apache.lucene.index.Term[] terms = pq.getTerms();
        int[] positions = pq.getPositions();
        for (int i = 0; i < terms.length; ++i) {
            builder.add(terms[i], positions[i]);
        }
        query = builder.build();
    } else {
        MultiPhraseQuery mpq = (MultiPhraseQuery) query;
        int slop = phraseSlopNode.getValue();
        if (slop != mpq.getSlop()) {
            query = new MultiPhraseQuery.Builder(mpq).setSlop(slop).build();
        }
    }
    return query;
}