1 package org.apache.lucene.queryParser.standard.nodes;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
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20 import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
21 import org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax;
24 * A {@link WildcardQueryNode} represents wildcard query This does not apply to
25 * phrases. Examples: a*b*c Fl?w? m?ke*g
27 public class WildcardQueryNode extends FieldQueryNode {
28 private static final long serialVersionUID = 0L;
34 * - value that contains one or more wild card characters (? or *)
36 * - position in the query string
38 * - position in the query string
40 public WildcardQueryNode(CharSequence field, CharSequence text, int begin,
42 super(field, text, begin, end);
45 public WildcardQueryNode(FieldQueryNode fqn) {
46 this(fqn.getField(), fqn.getText(), fqn.getBegin(), fqn.getEnd());
50 public CharSequence toQueryString(EscapeQuerySyntax escaper) {
51 if (isDefaultField(this.field)) {
52 return getTermEscaped(escaper);
54 return this.field + ":" + getTermEscaped(escaper);
59 public String toString() {
60 return "<wildcard field='" + this.field + "' term='" + this.text + "'/>";
64 public WildcardQueryNode cloneTree() throws CloneNotSupportedException {
65 WildcardQueryNode clone = (WildcardQueryNode) super.cloneTree();