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REFINITIV
Question by Frederic · Oct 29, 2021 at 01:03 PM · batchbatch-requestunsubscribe

EMA unsubscribe a single RIC after batch subscription thousands of RICs

A quick question, may I know how to unsubscribe a single RIC (or just several RICs) after batch subscription for thousands of RICs via EMA? on the basis that NOT initializing the consumer client.

Thanks.

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Frederic · Oct 29, 2021 at 01:04 PM 0
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correct typo: on the basis that NOT un-initializing the consumer client.

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Answer by umer.nalla · Oct 29, 2021 at 01:30 PM

Hi @Frederic

Each item in the Batch has its own stream and therefore Handle allocated by the Server and API respectively. So, you would call unregister client for just the single item you want to close off the stream for.

Please refer to the EMA example 300_MP_Close - that comes with RT-SDK.

Cpp-C\Ema\Examples\Training\Consumer\300_Series\300_MP_Close

Java\Ema\Examples\src\main\java\com\refinitiv\ema\examples\training\consumer\series300\ex300_MP_Close

Typically a developer would store the handle for each item when they receive the initial RefreshMsg - in some application-level map etc. They can then lookup and access the handle when they need to close the stream.



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Frederic · Oct 29, 2021 at 01:53 PM 0
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very helpful and clear, many thanks!

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