Example usage for org.apache.lucene.queryparser.flexible.core.nodes FieldQueryNode getField

Introduction

In this page you can find the example usage for org.apache.lucene.queryparser.flexible.core.nodes FieldQueryNode getField.

Prototype

@Override
    public CharSequence getField() 

Source Link

Usage

From source file:com.sindicetech.siren.qparser.keyword.processors.NodeNumericQueryNodeProcessor.java

License:Open Source License

@Override
protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException {

    if (node instanceof FieldQueryNode && !(node.getParent() instanceof RangeQueryNode)) {
        final FieldQueryNode fieldNode = (FieldQueryNode) node;

        String datatype = (String) DatatypeProcessor.getDatatype(this.getQueryConfigHandler(), node);
        final Map<String, Analyzer> dts = this.getQueryConfigHandler()
                .get(KeywordConfigurationKeys.DATATYPES_ANALYZERS);
        final Analyzer analyzer = dts.get(node.getTag(DatatypeQueryNode.DATATYPE_TAGID));

        if (analyzer instanceof NumericAnalyzer) {
            final NumericAnalyzer na = (NumericAnalyzer) analyzer;
            final char[] text = fieldNode.getTextAsString().toCharArray();
            final ReusableCharArrayReader textReader = new ReusableCharArrayReader(text);
            final Number number;
            try {
                number = na.getNumericParser().parse(textReader);
            } catch (final Exception e) {
                throw new QueryNodeParseException(
                        new MessageImpl(QueryParserMessages.COULD_NOT_PARSE_NUMBER, text), e);
            }/* w  ww .  ja  va  2 s  .co  m*/

            final CharSequence field = fieldNode.getField();
            final NodeNumericQueryNode lowerNode = new NodeNumericQueryNode(field, number);
            // assign datatype
            lowerNode.setTag(DatatypeQueryNode.DATATYPE_TAGID, datatype);
            final NodeNumericQueryNode upperNode = new NodeNumericQueryNode(field, number);
            // assign datatype
            upperNode.setTag(DatatypeQueryNode.DATATYPE_TAGID, datatype);

            // Create the NodeNumericRangeQueryNode
            node = new NodeNumericRangeQueryNode(lowerNode, upperNode, true, true, na);
            // assign datatype
            node.setTag(DatatypeQueryNode.DATATYPE_TAGID, datatype);
        }
    }
    return node;
}

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From source file:org.sindice.siren.qparser.keyword.processors.NodeNumericQueryNodeProcessor.java

License:Apache License

@Override
protected QueryNode postProcessNode(final QueryNode node) throws QueryNodeException {

    if (node instanceof FieldQueryNode && !(node.getParent() instanceof RangeQueryNode)) {
        final FieldQueryNode fieldNode = (FieldQueryNode) node;

        final Map<String, Analyzer> dts = this.getQueryConfigHandler()
                .get(KeywordConfigurationKeys.DATATYPES_ANALYZERS);
        final Analyzer analyzer = dts.get(node.getTag(DatatypeQueryNode.DATATYPE_TAGID));

        if (analyzer instanceof NumericAnalyzer) {
            final NumericAnalyzer na = (NumericAnalyzer) analyzer;
            final char[] text = fieldNode.getTextAsString().toCharArray();
            final ReusableCharArrayReader textReader = new ReusableCharArrayReader(text);
            final Number number;
            try {
                number = na.getNumericParser().parse(textReader);
            } catch (final Exception e) {
                throw new QueryNodeParseException(
                        new MessageImpl(QueryParserMessages.COULD_NOT_PARSE_NUMBER, text), e);
            }//from  ww w .  ja  v a  2  s.  c o  m

            final CharSequence field = fieldNode.getField();
            final NodeNumericQueryNode lowerNode = new NodeNumericQueryNode(field, number);
            final NodeNumericQueryNode upperNode = new NodeNumericQueryNode(field, number);

            return new NodeNumericRangeQueryNode(lowerNode, upperNode, true, true, na);
        }
    }
    return node;

}

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