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Wait for another file to execute before the caller continues to execute!!

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Bolivar
Bolivar 2013-10-14
关闭： MATLAB Answer Bot 2021-8-20
Hello, I come across a difficulty when working on my project and I will appreciate if someone can help me push that botelneck away. Actually, I want a function callback midst in its file to pause and wait for another callback to provide it with data before it continues.
So that is how my code look like :
classdef user < handle
events
REPLY
REQUEST
end
methods
function obj= user
end
function AddListener(arg)
addlistener(arg,'REQEST',@(src,evnt)reply(obj,src,evnt));
addlistener(arg,'REPLY',@(src,evnt)request(obj,src,evnt));
end
function reply(obj,src,evnt)
step1
step2
notify(obj,'REPLY',eventData(sendingdata));
end
function request(obj,varargin)
step1
step2
notify(obj,'REQUEST');
for i=1:(4/0.1)
pause(0.1);
end % end for loop
step3
step4
end
end %end methods block
end %end class
the class user defines object which exchange data interactively. We create two objects
user1 = user; and user2=user; add listener to each other by
user1.AddListener(user2);
user2.AddListener(user1);
Then we start the proces by
user1.request();
instead of waiting reply-callback from user2, request from user1 run to the end.
What can i do to eleviate that issue?
thanks for your help!
Bolivar

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