/**
* Non-blocking, not thread-safe
*
* @return Next Available remote control. Null if none is available.
*/
protected RemoteControlProxy findNextAvailableRemoteControl() {
for (RemoteControlProxy remoteControl : remoteControls) {
if (remoteControl.canHandleNewSession()) {
return remoteControl;
}
}
return null;
}
/**
* Not thread safe.
*
* @return All available remote controls. Never null.
*/
public List<RemoteControlProxy> availableRemoteControls() {
LinkedList<RemoteControlProxy> availableremoteControls;
availableremoteControls = new LinkedList<RemoteControlProxy>();
for (RemoteControlProxy remoteControl : remoteControls) {
if (remoteControl.canHandleNewSession()) {
availableremoteControls.add(remoteControl);
}
}
return Arrays.asList(
availableremoteControls.toArray(new RemoteControlProxy[availableremoteControls.size()]));
}
/**
* Not thread safe.
*
* @return All reserved remote controls. Never null.
*/
public List<RemoteControlProxy> reservedRemoteControls() {
LinkedList<RemoteControlProxy> reservedRemoteControls;
reservedRemoteControls = new LinkedList<RemoteControlProxy>();
for (RemoteControlProxy remoteControl : remoteControls) {
if (remoteControl.concurrentSesssionCount() >= 1) {
reservedRemoteControls.add(remoteControl);
}
}
return Arrays.asList(
reservedRemoteControls.toArray(new RemoteControlProxy[reservedRemoteControls.size()]));
}
public RemoteControlProxy reserve() {
final RemoteControlProxy remoteControl;
try {
remoteControlListLock.lock();
if (remoteControls.isEmpty()) {
return null;
}
remoteControl = blockUntilARemoteControlIsAvailable();
remoteControl.registerNewSession();
LOGGER.info("Reserved remote control" + remoteControl);
return remoteControl;
} finally {
remoteControlListLock.unlock();
}
}
public void release(RemoteControlProxy remoteControl) {
try {
remoteControlListLock.lock();
remoteControl.unregisterSession();
LOGGER.info("Released remote control" + remoteControl);
signalThatARemoteControlHasBeenMadeAvailable();
} finally {
remoteControlListLock.unlock();
}
}
