feat(pubsub): add support for subscription names to enable multiple s… #1657
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…ubscriptions per topic Introduces subscription name support across topic metadata, attributes, and routing logic to allow multiple distinct subscriptions to the same topic within a single application. Enhances topic attributes and subscription models with an optional subscription name to differentiate subscription handlers. Updates routing and subscription grouping to incorporate subscription names for precise subscription management. Adds example handlers and integration tests demonstrating multiple subscriptions to the same topic distinguished by subscription names. This improvement enables advanced pubsub scenarios where separate subscription handlers can independently process messages from the same topic without conflict.
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Could you please sign your commits so it passes the DCO check? I'm not quite following why you'd want this - do you just want to be able to kick off multiple callbacks in response to the same message? Is the point of the name just to differentiate locally (given that the runtime isn't providing it)? |
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#1656
The Issue
The Dapr .NET SDK currently does not support creating multiple subscriptions to the same topic within a single application using programmatic subscriptions (via the
/dapr/subscribeendpoint). This limitation exists because:pubsubName + topic- There is no subscription name fieldmetadata.namebut programmatic subscriptions do notSolution
Add subscription name support to allow multiple named subscriptions to the same topic within a single application.