Subscribing to Topics
Clients such as the YOUnite UI require real time updates of MDM events.
<Waiting on snippet>Applications can subscribe to YOUnite MDM service event notifications to get real-time updates to MDM events. Notifications are classified by topics and event types. A topic is created for each MDM zone and for each MDM zone there are various notification types.
Subscribing to Topics
MDM uses the Apache ActiveMQ messaging system which leverages the STOMP text-based messaging protocol. STOMP allows clients to be written easily. A STOMP protocol implementation in node.js can be found here.
Adding STOMP
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Configuring STOMP
Adding STOMP Handler
Subscribing to a Topic
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Notification Types
The following is list of event types that a subscriber can be notified of on a per zone (topic) basis. Each time an event is triggered it creates publishes a new topicnotification of a given event type .
| Event | Event Type | Default Scope |
|---|---|---|
| A zone is created | ZONE_POST | |
| A zone is updated | ZONE_PUT | |
| A zone is deleted | ZONE_DELETE | |
| A zone's thumbnail image is updated | ZONE_THUMBNAIL_PUT | |
A data domain is created or a new version of of the data domain has been created | DOMAIN_POST | |
A data domain has been created | DOMAIN_PUT | |
| A data domain has been deleted | DOMAIN_DELETE | |
| ?? | DOMAIN_NAME_POST | |
| A data domain has been updated | DOMAIN_NAME_PUT | |
| ? | DOMAIN_DATA_POST | |
| ? | DOMAIN_DATA_DELETE | |
| An MDR has been created for a given data domain | DOMAIN_NAME_DATA_POST | |
| An MDR has been updated in a given data domain. | DOMAIN_NAME_DATA_PUT | |
| An MDR has been deleted in a give data domain. | DOMAIN_NAME_DATA_DELETE |
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