cn.novelweb.video.command.handler.OutHandler Maven / Gradle / Ivy
package cn.novelweb.video.command.handler;
import cn.novelweb.tool.upload.fastdfs.utils.Log;
import lombok.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
/**
* 任务消息输出处理器
* 2020-02-24 17:58
*
* @author Dai Yuanchuan
**/
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Setter
@Getter
@ToString(callSuper = true)
public class OutHandler extends Thread {
/**
* 控制器状态
*/
private volatile boolean desStatus = true;
/**
* 读取任务输出流
*/
private BufferedReader bufferedReader;
/**
* 任务id
*/
private String taskId;
/**
* 消息处理方法
*/
private OutHandlerMethod outHandlerMethod;
/**
* 创建输出线程(默认立即开启线程)
*
* @param inputStream input流
* @param taskId 任务id
* @param outHandlerMethod 输出消息处理接口
* @return 任务消息输出处理器
*/
public static OutHandler create(InputStream inputStream, String taskId, OutHandlerMethod outHandlerMethod) {
return create(inputStream, taskId, outHandlerMethod, true);
}
/**
* 创建输出线程
* 指定启动线程开启
*
* @param inputStream input流
* @param taskId 任务id
* @param outHandlerMethod 输出消息处理接口
* @param start 是否需要启动任务线程
* @return 任务消息输出处理器
*/
public static OutHandler create(InputStream inputStream, String taskId,
OutHandlerMethod outHandlerMethod, boolean start) {
OutHandler out = new OutHandler(inputStream, taskId, outHandlerMethod);
if (start) {
out.start();
}
return out;
}
public OutHandler(InputStream inputStream, String taskId, OutHandlerMethod outHandlerMethod) {
bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
this.taskId = taskId;
this.outHandlerMethod = outHandlerMethod;
}
/**
* 执行线程
*/
@Override
public void run() {
if (this.isInterrupted()) {
Log.debug("任务id:{},线程已关闭", taskId);
return;
}
String message;
try {
Log.debug("任务id:{},开始执行任务.", taskId);
while (desStatus && (message = bufferedReader.readLine()) != null) {
outHandlerMethod.parsing(taskId, message);
if (outHandlerMethod.isBroken()) {
Log.debug("任务id:{},检测到中断,提交重启任务给保活处理器.", taskId);
//如果发生异常中断，立即进行保活
//把中断的任务交给保活处理器进行进一步处理
KeepAliveHandler.add(taskId);
}
}
} catch (IOException e) {
Log.debug("任务id:{},发生内部异常错误,线程标记停止状态", taskId);
this.interrupt();
}
}
}