Package org.apache.lucene.queryParser.core.nodes

Examples of org.apache.lucene.queryParser.core.nodes.QueryNode

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  }

  final public QueryNode Term(CharSequence field) throws ParseException {
  Token term, boost=null, fuzzySlop=null, goop1, goop2;
  boolean fuzzy = false;
  QueryNode q =null;
  ParametricQueryNode qLower, qUpper;
  float defaultMinSimilarity = 0.5f;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case TERM:
    case NUMBER:
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  public void testBasicDemo() throws Exception {
    SyntaxParser queryParser = new StandardSyntaxParser();

    // convert the CharSequence into a QueryNode tree
    QueryNode queryTree = queryParser.parse("body:text", null);

    // create a config handler with a attribute used in
    // UniqueFieldQueryNodeProcessor
    QueryConfigHandler spanQueryConfigHandler = new SpansQueryConfigHandler();
    UniqueFieldAttribute uniqueFieldAtt = (UniqueFieldAttribute) spanQueryConfigHandler
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      throws QueryNodeException {
    UniqueFieldAttribute uniqueFieldAtt = (UniqueFieldAttribute) this.spanQueryConfigHandler
        .getAttribute(UniqueFieldAttribute.class);
    uniqueFieldAtt.setUniqueField(uniqueField);

    QueryNode queryTree = this.queryParser.parse(query, "defaultField");
    queryTree = this.spanProcessorPipeline.process(queryTree);

    return this.spansQueryTreeBuilder.build(queryTree);

  }
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  }

  public Query parse(String query) throws ParseException {

    try {
      QueryNode queryTree = this.syntaxParser.parse(query, getField());
      queryTree = this.processorPipeline.process(queryTree);
      return (Query) this.builder.build(queryTree);

    } catch (QueryNodeException e) {
      throw new ParseException("parse exception");
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    return node;
   
  }
 
  protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
    QueryNode parent = node.getParent();
    if (node instanceof BooleanQueryNode) {
      if (parent instanceof BooleanQueryNode) {
        node.setTag(TAG_REMOVE, Boolean.TRUE); // no precedence
      } else {
        node.setTag(TAG_BOOLEAN_ROOT, Boolean.TRUE);
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    readTree(queryTree);

    List<QueryNode> actualQueryNodeList = this.queryNodeList;

    for (int i = 0; i < actualQueryNodeList.size(); i++) {
      QueryNode node = actualQueryNodeList.get(i);

      if (node instanceof GroupQueryNode) {
        actualQueryNodeList.set(i, process(node));
      }
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Related Classes of org.apache.lucene.queryParser.core.nodes.QueryNode

  • org.apache.lucene.queryParser.core.QueryParserHelper
  • org.apache.lucene.queryParser.core.util.QueryNodeOperation
  • org.apache.lucene.queryParser.spans.TestSpanQueryParser
  • org.apache.lucene.queryParser.spans.TestSpanQueryParserSimpleSample
  • org.apache.lucene.queryParser.standard.builders.BoostQueryNodeBuilder
  • org.apache.lucene.queryParser.standard.parser.StandardSyntaxParser
  • org.apache.lucene.queryParser.standard.processors.BooleanQuery2ModifierNodeProcessor
  • org.apache.lucene.queryParser.standard.processors.BooleanSingleChildOptimizationQueryNodeProcessor
  • org.apache.lucene.queryParser.standard.processors.GroupQueryNodeProcessor
  • org.apache.lucene.queryParser.standard.QueryParserWrapper
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