dictservice.java

这是关于中文分词的有关程序

/*
 * Copyright 2002-2005 the original author or authors.
 * 
 * Licensed 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.
 */
/*
 * Created on 2005-12-30
 * author 谢骋超
 * 
 */
package cn.edu.zju.dartsplitter;

import cn.edu.zju.dartsplitter.data.DictNode;

/**
 * 实际上是词库导入和读出的lazy load版本。
 * 它会按首字为单位将词库序列化,并按HashCode将字分类。
 * 因此硬盘上会出现很多小文件与小文件夹, 但会减少一次性将词库load到内存中的代价。
 * 现在默认的是eager load版本, 这个版本还要进一步测试
 * 如果要看eager load版本,请看 @see DictTree
 * @author xiecc
 * @email [e-mail] [e-mail]
 * homepage：  http://blog.itpub.net/xiecc
 * projectpage: http://ccnt.zju.edu.cn/projects
 */
public interface DictService {
	/**
	 * 保存某个字开头的节点树
	 * @param strPrefix 词的首字
	 * @return 以这个字为首字的节点树
	 */
    public DictNode saveNode(String strPrefix);
    
    /**
     * 读出某个字开头的节点树
     * @param strPrefix 词的首字
     * @return 以这个字为首字的节点树
     */
    public DictNode readNode(String strPrefix);
    
    /**
     * 将词库的所有内容保存到文件系统中
     *
     */
    public void saveAllNodeToFile();
}