发布与订阅 publish-subscribe

基本操作

5. Entity Use Cases

?? ?1. Discover Features

?? ?2. Discover Nodes

?? ?3. Discover Node Information

?? ?4. Discover Node Metadata

?? ?5. Discover Items For a Node

?? ?6. Retrieve Subscriptions

?? ?7. Retrieve Affiliations

6. Subscriber Use Cases

?? ?1. Subscribe to a Node

?? ?2. Unsubscribe from a Node

?? ?3. Configure Subscription Options

?? ?4. Request Default Subscription Configuration Options

?? ?5. Retrieve Items from a Node

7. Publisher Use Cases

?? ?1. Publish an Item to a Node

?? ?2. Delete an Item from Node

8. Owner User Cases

?? ?1. Create a Node

?? ?2. Configrue a Node

?? ?3. Request Default Node Configration Options

?? ?4. Delete a Node

?? ?5. Purge All Node Items

?? ?6. Manage Subscription Requests

?? ?7. Process Pending Subscription Requests

?? ?8. Manage Subscriptions

?? ?9. Modify Affiliations

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