package org.apache.lucene.queryparser.flexible.aqp.nodes;

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.apache.lucene.queryparser.flexible.aqp.processors.AqpAnalyzerQueryNodeProcessor;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl;
import org.apache.lucene.queryparser.flexible.core.parser.EscapeQuerySyntax;

/**
 * The node represents a query that was already be
 * processed by an analyzer. The child (typically only one) is the result of a
 * call to another analyzer.
 * 
 * @see AqpAnalyzerQueryNodeProcessor
 */
public class AqpAnalyzedQueryNode extends QueryNodeImpl {

  /**
   * @param node
   *          - query node
   */
  public AqpAnalyzedQueryNode(QueryNode node) {
    allocate();
    setLeaf(false);
    this.add(node);
  }

  @Override
  public String toString() {
    return "<analyzed>" + this.getChild() + "</analyzed>";
  }

  @Override
  public AqpAnalyzedQueryNode cloneTree() throws CloneNotSupportedException {
    AqpAnalyzedQueryNode clone = (AqpAnalyzedQueryNode) super.cloneTree();
    // nothing to do here
    return clone;
  }

  public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) {
    return this.getChildren().get(0).toQueryString(escapeSyntaxParser);
  }

  public QueryNode getChild() {
    return this.getChildren().get(0);
  }
}