Calling function handles of one class from another class

Hi,

I have two classes namely "Acquisition" and "DataStream". Inside the "Acquisition" class I'm creating an object of "DataStream" class. I have one public function in "Acquisition" class whose handle I'm passing to the one of the properties of the "DataStream" class. Inside the "DataStream" class I've one function in which I want to call the function of the "Acquisition" class with help of the function handle. I'm attaching the code snippet for this :

    classdef Acquisition < abc.efg.Class
      properties
       dataStreamObj
       ..
      end
      methods
        function PQR(obj)
           obj.dataStreamObj = xyz.pqr.efg.DataStream();
           obj.dataStreamObj.callbacks = @(~,evnt)obj.samplesRecv(evnt.data,evnt.errorMessage);
        end
        function samplesRecv(obj,inputSamples,err)
          % Some processing
        end
      end
     end
classdef DataStream < handles
      properties
       callbacks
       dataRecv
       ..
      end
      methods
        function RST(obj)
           obj.dataRecv = @(~,evnt)obj.callbackSamplesDAQmx(evnt.data,evnt.errorMessage);
        end
        function callbackSamplesDAQmx(obj,inputSamples,err )
          % Here I want to call the samplesRecv function of the Acquisition class with the above arguments
          % I have the function handle of the samplesRecv function in the callbacks property of the DataStream class
        end
      end
end

Can anyone please suggest how to do this ?

Thanks,