Singleton Orchestration in BizTalk Server: ASP Alliance

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Singleton Orchestration in BizTalk Server

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by Naveen Karamchetti
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How does one create a Singleton Orchestration?

1. Create a correlation type with the property "BTS.ReceivePortName;" this will ensure a single instance of an orchestration, since all the messages come from a single receive location.

2. Create a correlation set with the correlation type created in the previous step.

3. In the first Receive Shape (Activate = true), set the property "Initializing Correlation Sets" as the correlation set (created in the previous step) and in the Second receive shape (Activate = false), set the property "Following Correlation Sets" as the correlation type (created in the previous step).

NOTE: Any promoted property which would be the same across all the messages can also be used as the correlation type property.

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User Comments

Title: Error Handling
Name: Ramon
Date: 3/11/2011 1:08:22 PM
Comment:
What happens if there is an error in the first batch that the orchestration receive and there are more to come. Does the orchestration fail and the next batch starts a new orchestration or what happens?

Title: Demo
Name: Author
Date: 12/3/2008 1:56:46 PM
Comment:
Delay is just for demo only. You are free to remove.

Title: Why the delay?
Name: Adman
Date: 1/28/2008 12:11:43 PM
Comment:
What's the purpose of the delay? If you leave out a delay, why are lots of CPU cycles used...?

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