Engine engine = (Engine) service.getContainer();
for (Container engineChild : engine.findChildren()) {
if (engineChild instanceof StandardHost) {
StandardHost host = (StandardHost) engineChild;
hosts.put(host.getName(), host);
for (LifecycleListener listener : host.findLifecycleListeners()) {
if (listener instanceof HostConfig) {
HostConfig hostConfig = (HostConfig) listener;
deployers.put(host.getName(), hostConfig);
}
}