[GitHub] [pulsar] momo-jun commented on a change in pull request #14315: [PIP 86] add doc for initialize function interface

[GitBox <gi...@apache.org>]

momo-jun commented on a change in pull request #14315:
URL: https://github.com/apache/pulsar/pull/14315#discussion_r808645632



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File path: site2/docs/functions-develop.md
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@@ -101,6 +101,38 @@ func main() {
 ```
 For complete code, see [here](https://github.com/apache/pulsar/blob/77cf09eafa4f1626a53a1fe2e65dd25f377c1127/pulsar-function-go/examples/inputFunc/inputFunc.go#L20-L36).
 
+Function initialize and close interface are available in **Pulsar Function SDK for Java 2.10.0 or later**.

Review comment:
       This extended Function SDK provides an interface to initialize and release external resources, which is easy and efficient to use and expand. Before starting a Function, you don't have to make various judgments in the Function interface for those resources which only need one-time initialization. After closing a Function, you don't need to manually close the referenced external resources. The order of releasing external resources is controlled by the Function itself.
   
   > **Note** 
   > The extended Function SDK for java is available in Pulsar 2.10.0 or later versions. Before using it, you need to set up Pulsar Functions worker 2.10.0 or later versions.




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