- public DataChangeListenerProxy(ActorSelection dataChangeListenerActor) {
- this.dataChangeListenerActor = dataChangeListenerActor;
+ public DataChangeListenerProxy(SchemaContext schemaContext, ActorSelection dataChangeListenerActor) {
+ this.dataChangeListenerActor = Preconditions.checkNotNull(dataChangeListenerActor, "dataChangeListenerActor should not be null");
+ this.schemaContext = schemaContext;