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• TernaryTreeNode.java

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org.apache.lucene.search.suggest.tst.TernaryTreeNode Maven / Gradle / Ivy

package org.apache.lucene.search.suggest.tst;

/**
 * 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.
 */

/**
 * The class creates a TST node.
 */

public class TernaryTreeNode {
  /** the character stored by a node. */
	char splitchar;
	/** a reference object to the node containing character smaller than this node's character. */
	TernaryTreeNode loKid;
	/** 
	 *  a reference object to the node containing character next to this node's character as 
	 *  occurring in the inserted token.
	 */
	TernaryTreeNode eqKid;
	/** a reference object to the node containing character higher than this node's character. */
	TernaryTreeNode hiKid;
	/** 
	 * used by leaf nodes to store the complete tokens to be added to suggest list while 
	 * auto-completing the prefix.
	 */
	String token;
	Object val;
}