MB - Message Bus
Da itm wiki.
Message Bus
MB (Message Bus) is a service module used for:
- Manage itmSUITE messages distribution
- Plan scheduled task
Message Distribution
MB expose a subscription service: each modules could be optionally configured to subscribe to any Message Type.
A typical way to configure MB is:
- EEM shall be configured to subscribe "Get mail" scheduled message
- EEM shall be configured to propagate received data (mail of external Messages) to MB
- PMSM shall be configured to subscribe "External Message"
- PMSM shall be configured to manage incoming External Messages: the Action Engine shall be used for this purpose.
Schedule Task
MB can generate itself itmSUITE Message. The generation of these Messages is scheduled in Message Scheduler Management
| Field | Meaning | Comments | 
|---|---|---|
| Name | Task name | |
| Description | Task description | |
| Max Delivery Attempts | The max tentative executed by MB to deliver an itmSUITE Message before give up | |
| Allow Multiple | ||
| Message Publisher | MB simulates the defined Publisher | |
| Priority | Message processing priority | |
| Message Collaborator | This is a Filter for field Message Type | |
| Message Type | Allowed Message Types for selected Message Collaborator | 
