61 lines
1.3 KiB
Java
61 lines
1.3 KiB
Java
package com.github.nkzawa.thread;
|
|
|
|
|
|
import java.util.concurrent.ExecutorService;
|
|
import java.util.concurrent.Executors;
|
|
import java.util.concurrent.ThreadFactory;
|
|
|
|
|
|
/**
|
|
* The thread for event loop. All non-background tasks run within this thread.
|
|
*/
|
|
public class EventThread extends Thread {
|
|
|
|
private static final ExecutorService service = Executors.newSingleThreadExecutor(new ThreadFactory() {
|
|
@Override
|
|
public Thread newThread(Runnable runnable) {
|
|
thread = new EventThread(runnable);
|
|
return thread;
|
|
}
|
|
});
|
|
|
|
private static volatile EventThread thread;
|
|
|
|
|
|
private EventThread(Runnable runnable) {
|
|
super(runnable);
|
|
}
|
|
|
|
/**
|
|
* check if the current thread is EventThread.
|
|
*
|
|
* @return true if the current thread is EventThread.
|
|
*/
|
|
public static boolean isCurrent() {
|
|
return currentThread() == thread;
|
|
}
|
|
|
|
/**
|
|
* Executes a task in EventThread.
|
|
*
|
|
* @param task
|
|
*/
|
|
public static void exec(Runnable task) {
|
|
if (isCurrent()) {
|
|
task.run();
|
|
} else {
|
|
service.execute(task);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Executes a task on the next loop in EventThread.
|
|
*
|
|
* @param task
|
|
*/
|
|
public static void nextTick(Runnable task) {
|
|
service.execute(task);
|
|
}
|
|
|
|
}
|