1 package org.apache.lucene.queryParser.standard.nodes;
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20 import java.text.Collator;
22 import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
23 import org.apache.lucene.queryParser.core.nodes.ParametricQueryNode;
24 import org.apache.lucene.queryParser.core.nodes.ParametricQueryNode.CompareOperator;
25 import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
26 import org.apache.lucene.queryParser.standard.processors.ParametricRangeQueryNodeProcessor;
29 * This query node represents a range query. It also holds which collator will
30 * be used by the range query and if the constant score rewrite is enabled. <br/>
32 * @see ParametricRangeQueryNodeProcessor
33 * @see ConfigurationKeys#RANGE_COLLATOR
34 * @see org.apache.lucene.search.TermRangeQuery
36 * @deprecated this class will be removed in future, {@link TermRangeQueryNode} should
40 public class RangeQueryNode extends TermRangeQueryNode {
42 private static final long serialVersionUID = 7400866652044314657L;
44 private Collator collator;
50 public RangeQueryNode(ParametricQueryNode lower, ParametricQueryNode upper,
53 super(lower, upper, lower.getOperator() == CompareOperator.LE, upper
54 .getOperator() == CompareOperator.GE);
56 this.collator = collator;
61 public ParametricQueryNode getLowerBound() {
62 return (ParametricQueryNode) super.getLowerBound();
66 public ParametricQueryNode getUpperBound() {
67 return (ParametricQueryNode) super.getUpperBound();
71 * Sets lower and upper bounds. The method signature expects
72 * {@link FieldQueryNode} objects as lower and upper, however,
73 * an {@link IllegalArgumentException} will be thrown at runtime
74 * if a non {@link ParametricQueryNode} is passed as lower and upper.
76 * @param lower a {@link ParametricQueryNode} object
77 * @param upper a {@link ParametricQueryNode} object
78 * @param lowerInclusive <code>true</code> if lower bound is inclusive, otherwise, <code>false</code>
79 * @param upperInclusive <code>true</code> if upper bound is inclusive, otherwise, <code>false</code>
81 * @throws IllegalArgumentException if lower or upper are not instance of {@link ParametricQueryNode}
83 * @see AbstractRangeQueryNode#setBounds
86 public void setBounds(FieldQueryNode lower, FieldQueryNode upper,
87 boolean lowerInclusive, boolean upperInclusive) {
89 if (lower != null && !(lower instanceof ParametricQueryNode)) {
90 throw new IllegalArgumentException("lower should be an instance of "
91 + ParametricQueryNode.class.getCanonicalName() + ", but found "
92 + lower.getClass().getCanonicalName());
95 if (upper != null && !(upper instanceof ParametricQueryNode)) {
96 throw new IllegalArgumentException("upper should be an instance of "
97 + ParametricQueryNode.class.getCanonicalName() + ", but found "
98 + lower.getClass().getCanonicalName());
101 super.setBounds(lower, upper, lowerInclusive, upperInclusive);
106 public String toString() {
107 StringBuilder sb = new StringBuilder("<range>\n\t");
108 sb.append(this.getUpperBound()).append("\n\t");
109 sb.append(this.getLowerBound()).append("\n");
110 sb.append("</range>\n");
112 return sb.toString();
117 * @return the collator
119 public Collator getCollator() {
120 return this.collator;