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Lesson 4: Dropping the Conversation Objects

In this lesson, you will learn to drop the objects that enabled a database to support a conversation using an internal activation stored procedure.

Procedures

Switch to the AdventureWorks2008R2 database

  • Copy and paste the following code into a Query Editor window. Then, run it to switch context to the AdventureWorks2008R2 database.

    USE AdventureWorks2008R2;
GO

Drop the conversation objects

  • Copy and paste the following code into a Query Editor window. Then, run it to drop the objects that were used to support the conversation.

    IF EXISTS (SELECT * FROM sys.objects
           WHERE name =
           N'TargetActivProc')
     DROP PROCEDURE TargetActivProc;

IF EXISTS (SELECT * FROM sys.services
           WHERE name =
           N'//AWDB/InternalAct/TargetService')
     DROP SERVICE
     [//AWDB/InternalAct/TargetService];

IF EXISTS (SELECT * FROM sys.service_queues
           WHERE name = N'TargetQueueIntAct')
     DROP QUEUE TargetQueueIntAct;

-- Drop the intitator queue and service if they already exist.
IF EXISTS (SELECT * FROM sys.services
           WHERE name =
           N'//AWDB/InternalAct/InitiatorService')
     DROP SERVICE
     [//AWDB/InternalAct/InitiatorService];

IF EXISTS (SELECT * FROM sys.service_queues
           WHERE name = N'InitiatorQueueIntAct')
     DROP QUEUE InitiatorQueueIntAct;

-- Drop contract and message type if they already exist.
IF EXISTS (SELECT * FROM sys.service_contracts
           WHERE name =
           N'//AWDB/InternalAct/SampleContract')
     DROP CONTRACT
     [//AWDB/InternalAct/SampleContract];

IF EXISTS (SELECT * FROM sys.service_message_types
           WHERE name =
           N'//AWDB/InternalAct/RequestMessage')
     DROP MESSAGE TYPE
     [//AWDB/InternalAct/RequestMessage];

IF EXISTS (SELECT * FROM sys.service_message_types
           WHERE name =
           N'//AWDB/InternalAct/ReplyMessage')
     DROP MESSAGE TYPE
     [//AWDB/InternalAct/ReplyMessage];

Next Steps

This concludes the tutorial. Tutorials are brief introductions only. They do not describe all available options. Tutorials use simplified logic and error handling, and should not be used in a production environment. To create efficient, reliable, and robust conversations, you need more complex code than the example in this tutorial.

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