1 package org.apache.lucene.queryParser.core.nodes;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
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16 * See the License for the specific language governing permissions and
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20 import org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax;
23 * A {@link OpaqueQueryNode} is used for specify values that are not supposed to
24 * be parsed by the parser. For example: and XPATH query in the middle of a
25 * query string a b @xpath:'/bookstore/book[1]/title' c d
27 public class OpaqueQueryNode extends QueryNodeImpl {
29 private static final long serialVersionUID = 0L;
31 private CharSequence schema = null;
33 private CharSequence value = null;
39 * - value that was not parsed
41 public OpaqueQueryNode(CharSequence schema, CharSequence value) {
50 public String toString() {
51 return "<opaque schema='" + this.schema + "' value='" + this.value + "'/>";
54 public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) {
55 return "@" + this.schema + ":'" + this.value + "'";
59 public QueryNode cloneTree() throws CloneNotSupportedException {
60 OpaqueQueryNode clone = (OpaqueQueryNode) super.cloneTree();
62 clone.schema = this.schema;
63 clone.value = this.value;
71 public CharSequence getSchema() {
78 public CharSequence getValue() {