/** {@inheritDoc} */
public IMessageInput getLiveProviderInput(IScope scope, String name, boolean needCreate) {
log.debug("Get live provider input for {} scope: {}", name, scope);
// make sure the create is actually needed
IBroadcastScope broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null && needCreate) {
synchronized (scope) {
// re-check if another thread already created the scope
broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null) {
broadcastScope = new BroadcastScope(scope, name);
scope.addChildScope(broadcastScope);
}
}
}
return broadcastScope;
}
/** {@inheritDoc} */
public boolean registerBroadcastStream(IScope scope, String name, IBroadcastStream bs) {
if (log.isDebugEnabled()) {
log.debug("Registering - name: {} stream: {} scope: {}", new Object[] {name, bs, scope});
((Scope) scope).dump();
}
IBroadcastScope broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null) {
log.debug("Creating a new scope");
broadcastScope = new BroadcastScope(scope, name);
if (scope.addChildScope(broadcastScope)) {
log.debug("Broadcast scope added");
} else {
log.warn("Broadcast scope was not added to {}", scope);
}
}
// set the client broadcast stream if we have a broadcast scope
if (broadcastScope != null && bs instanceof IClientBroadcastStream) {
broadcastScope.setClientBroadcastStream((IClientBroadcastStream) bs);
}
if (log.isDebugEnabled()) {
log.debug("Subscribing scope {} to provider {}", broadcastScope, bs.getProvider());
}
return broadcastScope.subscribe(bs.getProvider(), null);
}