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rINSTCONTROL/@MyDataSource/MyDataSource.m
1bfe48acb27aconfint-fix

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MyDataSource.m
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% Class that contains functionality of transferring trace to Collector and
% then to Daq
classdef MyDataSource < handle
properties (GetAccess=public, SetAccess={?MyClassParser,?MyDataSource})
% name is sometimes used as identifier in listeners callbacks, so
% it better not to be changed after the object is created.
% Granting MyClassParser access to this variable allows to
% conveniently assign it in a subclass constructor from name-value
% pairs.
% Explicitly granting access to MyDataSource makes setting this
% property to be accessible to subclasses (i.e. protected and not
% private).
name
end
properties (Access = public)
% An object derived from MyTrace
Trace
end
events
NewData
end
methods (Access=public)
function this = MyDataSource(varargin)
P = MyClassParser(this);
processInputs(P, this, varargin{:});
this.name = class(this);
this.Trace = MyTrace();
end
%Trigger event signaling the acquisition of a new trace.
%Any properties of MyNewDataEvent can be set by indicating the
%corresponding name-value pars in varargin. For the list of options
%see the definition of MyNewDataEvent.
function triggerNewData(this, varargin)
EventData = MyNewDataEvent(varargin{:});
EventData.src_name=this.name;
% Pass trace by value to make sure that it is not modified
% before being transferred
if isempty(EventData.Trace)
% EventData.Trace can be set either automaticallt here or
% explicitly as a name-value pair supplied to the function.
EventData.Trace=copy(this.Trace);
end
notify(this,'NewData',EventData);
end
end
%% Set and get methods
methods
% Ensures that the instrument name is a valid Matlab variable
function set.name(this, str)
assert(ischar(str), ['The value assigned to ''name'' ' ...
'property must be char'])
if ~isempty(str)
str = matlab.lang.makeValidName(str);
else
str = class(this);
end
this.name = str;
end
function set.Trace(this, Val)
assert(isa(Val, 'MyTrace'), ['Trace must be a derivative ' ...
'of MyTrace class.'])
this.Trace = Val;
end
end
end
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