com.jchanghong.cron.TaskLauncherManager Maven / Gradle / Ivy
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package com.jchanghong.cron;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
/**
* 作业启动管理器
*
* @author looly
*
*/
public class TaskLauncherManager implements Serializable {
private static final long serialVersionUID = 1L;
protected Scheduler scheduler;
/** 启动器列表 */
protected final List launchers = new ArrayList<>();
public TaskLauncherManager(Scheduler scheduler) {
this.scheduler = scheduler;
}
/**
* 启动 TaskLauncher
* @param millis 触发事件的毫秒数
* @return {@link TaskLauncher}
*/
protected TaskLauncher spawnLauncher(long millis) {
final TaskLauncher launcher = new TaskLauncher(this.scheduler, millis);
synchronized (this.launchers) {
this.launchers.add(launcher);
}
//子线程是否为deamon线程取决于父线程，因此此处无需显示调用
//launcher.setDaemon(this.scheduler.daemon);
// launcher.start();
this.scheduler.threadExecutor.execute(launcher);
return launcher;
}
/**
* 启动器启动完毕，启动完毕后从执行器列表中移除
* @param launcher 启动器 {@link TaskLauncher}
*/
protected void notifyLauncherCompleted(TaskLauncher launcher) {
synchronized (launchers) {
launchers.remove(launcher);
}
}
/**
* 停止所有TaskLauncher
* @return this
* @deprecated 作业启动器只是调用定时任务检查，无法强制关闭，可通过deamon线程方式关闭之
*/
@Deprecated
public TaskLauncherManager destroy() {
// synchronized (this.launchers) {
// for (TaskLauncher taskLauncher : launchers) {
// ThreadUtil.interupt(taskLauncher, false);
// }
// }
this.launchers.clear();
return this;
}
}