⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 messagedeletor.java

📁 非常有影响的 j道 论 坛 源码 国外很有明的专家编写的 ....对java爱好者很有参考价值
💻 JAVA
字号:
/*
 * Copyright 2003-2005 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.
 * 
 */
package com.jdon.jivejdon.manager;

import org.apache.log4j.Logger;

import com.jdon.jivejdon.dao.MessageDao;
import com.jdon.jivejdon.repository.MessageRepository;
import com.jdon.treepatterns.composite.Branch;
import com.jdon.treepatterns.composite.Leaf;
import com.jdon.treepatterns.visitor.RecursiveNodeWalker;
import com.jdon.util.Debug;

/**
 * @author <a href="mailto:banqiao@jdon.com">banq</a>
 *
 */
public class MessageDeletor extends RecursiveNodeWalker {
    private final static Logger logger = Logger.getLogger(MessageDeletor.class);

    protected MessageRepository messageRepository;

    /**
     * @param messageDao
     */
    public MessageDeletor(MessageRepository messageRepository) {
        this.messageRepository = messageRepository;
    }

    public void visitforLeaf(Leaf leaf) {
        Debug.logVerbose(" leaf=" + leaf.getKey());
        deleteTheData(leaf.getKey());
    }

   
    public void visitforOneBranch(Branch branch) {
        Debug.logVerbose("  Branch=" + branch.getKey());
        deleteTheData(branch.getKey());
    }

    private void deleteTheData(Long messageId) {
        try {
        	messageRepository.deleteMessage(messageId);
        } catch (Exception e) {
            logger.error(" deleteTheData error:" + e);
        }
    }

}

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -