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Create the worker ID before it is run.

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In addition, we'll prevent reuse of worker objects.
This commit is contained in:
Kristian S. Stangeland 2012-10-04 06:23:27 +02:00
parent af2d692c59
commit debf8c4d88
2 changed files with 24 additions and 8 deletions
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26
ProtocolLib/src/com/comphenix/protocol/async/AsyncListenerHandler.java
View File

@ -135,8 +135,9 @@ public class AsyncListenerHandler {
public AsyncRunnable getListenerLoop() {
return new AsyncRunnable() {
private final AtomicBoolean running = new AtomicBoolean();
private volatile int id;
private final AtomicBoolean firstRun = new AtomicBoolean();
private final AtomicBoolean finished = new AtomicBoolean();
private final int id = nextID.incrementAndGet();
@Override
public int getID() {
@ -146,18 +147,21 @@ public class AsyncListenerHandler {
@Override
public void run() {
// Careful now
if (running.compareAndSet(false, true)) {
id = nextID.incrementAndGet();
if (firstRun.compareAndSet(false, true)) {
listenerLoop(id);
synchronized (stopLock) {
stoppedTasks.remove(id);
stopLock.notifyAll();
running.set(false);
finished.set(true);
}
} else {
throw new IllegalStateException(
if (finished.get())
throw new IllegalStateException(
"This listener has already been run. Create a new instead.");
else
throw new IllegalStateException(
"This listener loop has already been started. Create a new instead.");
}
}
@ -165,7 +169,7 @@ public class AsyncListenerHandler {
@Override
public boolean stop() throws InterruptedException {
synchronized (stopLock) {
if (!running.get())
if (!isRunning())
return false;
stoppedTasks.add(id);
@ -175,6 +179,7 @@ public class AsyncListenerHandler {
queuedPackets.offer(WAKEUP_PACKET);
}
finished.set(true);
waitForStops();
return true;
}
@ -182,7 +187,12 @@ public class AsyncListenerHandler {
@Override
public boolean isRunning() {
return running.get();
return firstRun.get() && !finished.get();
}
@Override
public boolean isFinished() {
return finished.get();
}
};
}

6
ProtocolLib/src/com/comphenix/protocol/async/AsyncRunnable.java
View File

@ -26,4 +26,10 @@ public interface AsyncRunnable extends Runnable {
* @return TRUE if we're running, FALSE otherwise.
*/
public boolean isRunning();
/**
* Determine if this runnable has already run its course.
* @return TRUE if it has been stopped, FALSE otherwise.
*/
boolean isFinished();
}