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INSTRUMENT_STATUS messages
Isak_
 Post subject: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 08:14 

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The documentation for IMessage.Type.INSTRUMENT_STATUS says "Sent if system changes instrument status." What does that mean? If the set of subscribed instruments changes?
 
API Support
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 10:53 
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No the message gets sent when the tradability of the Instrument changes, i.e. it changes from tradable to untradable or vice versa.
 
Isak_
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 11:30 

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Thanks. Should I cast the incoming IMessage to IInstrumentStatusMessage when IMessage.getType == INSTRUMENT_STATUS?
 
Isak_
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 12:14 

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Every 30 seconds, I am getting an INSTRUMENT_STATUS message with isTradable() == true, for the one instrument I am subscribed to. In between I am not receiving any messages with isTradable() == false.
Is this normal?
 
API Support
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 13:59 
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Isak_ wrote:
Thanks. Should I cast the incoming IMessage to IInstrumentStatusMessage when IMessage.getType == INSTRUMENT_STATUS?
Yes, if you wish to access the fields of the interface.
Isak_ wrote:
Every 30 seconds, I am getting an INSTRUMENT_STATUS message with isTradable() == true, for the one instrument I am subscribed to. In between I am not receiving any messages with isTradable() == false.
Is this normal?
If you don't receive INSTRUMENT_STATUS on every tick it does not mean that the instrument is not tradable it just means that the message does not get fired that often.
 
Isak_
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Tue 21 Jun, 2011, 16:47 

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Support wrote:
If you don't receive INSTRUMENT_STATUS on every tick it does not mean that the instrument is not tradable it just means that the message does not get fired that often.
But I thought it only gets fired when the instrument's tradability changes.
 
API Support
 Post subject: Re: INSTRUMENT_STATUS messages Post rating: 0   New post Posted: Wed 22 Jun, 2011, 08:45 
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Isak_ wrote:
Support wrote:
If you don't receive INSTRUMENT_STATUS on every tick it does not mean that the instrument is not tradable it just means that the message does not get fired that often.
But I thought it only gets fired when the instrument's tradability changes.
Sorry for the imprecision - the message fires in live mode in every 30 seconds for every subscribed instrument indicating its tradability.
 
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