private Container getContainer(NMCommunicatorEvent event) {
ContainerId id = event.getContainerId();
Container c = containers.get(id);
if (c == null) {
c =
new Container(
event.getContainerId(), event.getNodeId().toString(), event.getContainerToken());
Container old = containers.putIfAbsent(id, c);
if (old != null) {
c = old;
}
}
return c;
}
@Override
public void run() {
LOG.info("Processing the event " + event.toString());
// Load ContainerManager tokens before creating a connection.
// TODO: Do it only once per NodeManager.
ContainerId containerID = event.getContainerId();
Container c = getContainer(event);
switch (event.getType()) {
case CONTAINER_LAUNCH_REQUEST:
NMCommunicatorLaunchRequestEvent launchEvent = (NMCommunicatorLaunchRequestEvent) event;
c.launch(launchEvent);
break;
case CONTAINER_STOP_REQUEST:
c.kill();
break;
}
removeContainerIfDone(containerID);
}