super(self, persistenceId);
this.identifier = Preconditions.checkNotNull(identifier);
this.scheduler = Preconditions.checkNotNull(scheduler);
this.executionContext = Preconditions.checkNotNull(executionContext);
super(self, persistenceId);
this.identifier = Preconditions.checkNotNull(identifier);
this.scheduler = Preconditions.checkNotNull(scheduler);
this.executionContext = Preconditions.checkNotNull(executionContext);