Implement re-try logic in RFA API

ryusuke.kamimura
Newcomer
in RFA
Hi Refinitiv Team
One of our app teams want to implement a re-try logic if subscription fails (due to timeout, etc) in their application written by RFA API (8.2.0.L2.all).
Do you have any sample code that shows how to implement a re-try logic on app side?
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Best Answer
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Hello @ryusuke.kamimura
I have checked the RFA Java example code. There is no "ready-to-use" re-try subscription logic example. However, the client application can perform the following steps to detect if subscription fail:
- Check the processEvent() callback method that if incoming event type is the OMM_ITEM_EVENT --> it means the application receives item response notification.
- Check the message type of that OMM_ITEM_EVENT
- If the message type is Refresh response message, it means the application receives data.
- If the message type is the Status response message, it means there are something with that subscription
- Check the Status response message detail (Stream State, Data State, Code, text). If it indicates that the subscription is fail, re-try subscription.
The client can find more detail on the following resources:
- Section 12.2.6 Handling Inbound Events of the RFA Java Development Guide
- RFA Java postingConsumer example (this example code shows how to handle Status Response Message via the processEvent() callback)
I hope this information helps.
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Answers
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@JirapongseHello
Many thanks for the configuration. Let us see if we can increase timeout value on our side.
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