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IContext.setSubscribedInstruments semantics
Isak
 Post subject: IContext.setSubscribedInstruments semantics Post rating: 0   New post Posted: Sun 06 May, 2012, 21:13 
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Joined: Thu 19 May, 2011, 11:14
Posts: 235
Location: South Africa,
When IContext.setSubscribedInstruments is called, is there an implication that all other instruments may be unsubscribed?

For example, if a strategy calls, in this order...
  • setSubscribedInstruments(EnumSet.of(A));
  • setSubscribedInstruments(EnumSet.of(B));
  • setSubscribedInstruments(EnumSet.of(C));
... is this the same as ...
  • setSubscribedInstruments(EnumSet.of(A,B,C));
... or is it the same as ...
  • setSubscribedInstruments(EnumSet.of(C));
 
API Support
The Best Answer  Post subject: Re: IContext.setSubscribedInstruments semantics Post rating: 0   New post Posted: Fri 11 May, 2012, 08:46 
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Joined: Fri 31 Aug, 2007, 09:17
Posts: 6139
It is impossible to unsubscribe to an instrument from a strategy. Method context.setSubscribedInstruments will only subscribe to instruments.
That is, if an empty set is passed to it, nothing will happen.
 
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