http://lucene.apache.org/lucene-parent/lucene-queryparser: Lucene QueryParsers module (The Apache Software Foundation) 
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 * 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
 *
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 * distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.lucene.queryparser.flexible.core.builders;

import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;


This interface is used by implementors classes that builds some kind of
object from a query tree.

See Also:
  • QueryTreeBuilder
/**
 * This interface is used by implementors classes that builds some kind of
 * object from a query tree.
 * 
 * @see QueryTreeBuilder
 */
public interface QueryBuilder {

  
Builds some kind of object from a query tree.

Params:
  • queryNode – 
         the query tree root node
Returns:some object generated from the query tree
/**
   * Builds some kind of object from a query tree.
   * 
   * @param queryNode
   *          the query tree root node
   * 
   * @return some object generated from the query tree
   */
  Object build(QueryNode queryNode) throws QueryNodeException;

}