Example usage for org.apache.lucene.queryParser.surround.query BasicQueryFactory BasicQueryFactory

Introduction

In this page you can find the example usage for org.apache.lucene.queryParser.surround.query BasicQueryFactory BasicQueryFactory.

Prototype

public BasicQueryFactory(int maxBasicQueries) 

Source Link

Usage

From source file:org.apache.solr.search.SurroundQParserPlugin.java

License:Apache License

@Override
public Query parse() throws SyntaxError {
    SrndQuery sq;//from   w w  w.  j a va  2  s  .c  o m
    String qstr = getString();
    if (qstr == null)
        return null;
    String mbqparam = getParam(MBQParam);
    if (mbqparam == null) {
        this.maxBasicQueries = DEFMAXBASICQUERIES;
    } else {
        try {
            this.maxBasicQueries = Integer.parseInt(mbqparam);
        } catch (Exception e) {
            LOG.warn("Couldn't parse maxBasicQueries value " + mbqparam + ", using default of 1000");
            this.maxBasicQueries = DEFMAXBASICQUERIES;
        }
    }
    // ugh .. colliding ParseExceptions
    try {
        sq = org.apache.lucene.queryparser.surround.parser.QueryParser.parse(qstr);
    } catch (org.apache.lucene.queryparser.surround.parser.ParseException pe) {
        throw new SyntaxError(pe);
    }

    // so what do we do with the SrndQuery ??
    // processing based on example in LIA Ch 9

    BasicQueryFactory bqFactory = new BasicQueryFactory(this.maxBasicQueries);
    String defaultField = QueryParsing.getDefaultField(getReq().getSchema(), getParam(CommonParams.DF));
    Query lquery = sq.makeLuceneQueryField(defaultField, bqFactory);
    return lquery;
}

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