Context context = (Context) event.getData();
((Lifecycle) context).removeLifecycleListener(this);
mapper.removeContext(container.getName(), context.getName());
} else if (container instanceof Engine) {
// Undeploying a host
container.removeContainerListener(this);
Host host = (Host) event.getData();
mapper.removeHost(host.getName());
}
} else if (type == Host.ADD_ALIAS_EVENT) {
mapper.addHostAlias(((Host) event.getSource()).getName(),