1 package org.apache.lucene.queryParser.standard.builders;
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20 import org.apache.lucene.document.NumericField;
21 import org.apache.lucene.messages.MessageImpl;
22 import org.apache.lucene.queryParser.core.QueryNodeException;
23 import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
24 import org.apache.lucene.queryParser.core.nodes.QueryNode;
25 import org.apache.lucene.queryParser.core.util.StringUtils;
26 import org.apache.lucene.queryParser.standard.config.NumericConfig;
27 import org.apache.lucene.queryParser.standard.nodes.NumericQueryNode;
28 import org.apache.lucene.queryParser.standard.nodes.NumericRangeQueryNode;
29 import org.apache.lucene.search.NumericRangeQuery;
32 * Builds {@link NumericRangeQuery}s out of {@link NumericRangeQueryNode}s.
34 * @see NumericRangeQuery
35 * @see NumericRangeQueryNode
37 public class NumericRangeQueryNodeBuilder implements StandardQueryBuilder {
40 * Constructs a {@link NumericRangeQueryNodeBuilder} object.
42 public NumericRangeQueryNodeBuilder() {
46 public NumericRangeQuery<? extends Number> build(QueryNode queryNode)
47 throws QueryNodeException {
48 NumericRangeQueryNode numericRangeNode = (NumericRangeQueryNode) queryNode;
50 NumericQueryNode lowerNumericNode = numericRangeNode.getLowerBound();
51 NumericQueryNode upperNumericNode = numericRangeNode.getUpperBound();
53 Number lowerNumber, upperNumber;
55 if (lowerNumericNode != null) {
56 lowerNumber = lowerNumericNode.getValue();
61 if (upperNumericNode != null) {
62 upperNumber = upperNumericNode.getValue();
67 NumericConfig numericConfig = numericRangeNode.getNumericConfig();
68 NumericField.DataType numberType = numericConfig.getType();
69 String field = StringUtils.toString(numericRangeNode.getField());
70 boolean minInclusive = numericRangeNode.isLowerInclusive();
71 boolean maxInclusive = numericRangeNode.isUpperInclusive();
72 int precisionStep = numericConfig.getPrecisionStep();
77 return NumericRangeQuery.newLongRange(field, precisionStep,
78 (Long) lowerNumber, (Long) upperNumber, minInclusive, maxInclusive);
81 return NumericRangeQuery.newIntRange(field, precisionStep,
82 (Integer) lowerNumber, (Integer) upperNumber, minInclusive,
86 return NumericRangeQuery.newFloatRange(field, precisionStep,
87 (Float) lowerNumber, (Float) upperNumber, minInclusive,
91 return NumericRangeQuery.newDoubleRange(field, precisionStep,
92 (Double) lowerNumber, (Double) upperNumber, minInclusive,
96 throw new QueryNodeException(new MessageImpl(
97 QueryParserMessages.UNSUPPORTED_NUMERIC_DATA_TYPE, numberType));