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Conversations

MS SQL Maestro supports Service Broker communications designed around reliable, asynchronous message delivery. All messages sent by Service Broker are part of a conversation. A dialog conversation, or dialog, is a conversation between two services. In effect, a dialog is a reliable, persistent bidirectional stream of messages between two services.

 

Dialogs provide exactly-once-in-order (EOIO) message delivery. Dialogs use the conversation identifier and sequence numbers that are contained in each message to identify related messages and deliver messages in the correct order. A dialog is a reliable, persistent stream of messages between two services.

 

A dialog conversation has two participants. The initiator begins the conversation. The target accepts a conversation begun by the initiator. Whether a participant begins the conversation determines the messages that the participant can send, as specified in the contract for the conversation.

 

 

Create Conversation Wizard guides you through the process of creating a new Service Broker conversation. In order to run the wizard you should either

 

•select the Object | Create Database Object... main menu item;
•select the Conversations icon in the Create Database Object dialog

or

•select the Conversations list or any object from that list in the explorer tree;
•select the Create Conversation ... item from the popup menu

or

•open the database in Database Editor and the Conversations tab there;
•press the Insert key or select the Create New Conversation ... item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

 

 

 

Conversation Editor allows you to change common conversation options. In order to run the editor you should either

 

•select the conversation for editing in the explorer tree (type the first letters of the conversation name for quick search);
•select the Edit Conversation ... item from the popup menu

or

•open the database in Database Editor and the Conversations tab there;
•select the conversation to edit;
•press the Enter key or select the Edit Conversation item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

 

 

 

To drop a conversation:

 

•select the conversation to drop in the explorer tree;
•select the Drop Conversation item from the popup menu

 

and confirm dropping in the dialog window.

 


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