xuesong172500 opened a new pull request #6706: issue #6698, Add instantiation interface in Pulsar function URL: https://github.com/apache/pulsar/pull/6706 <!-- ### Contribution Checklist - Name the pull request in the form "[Issue XYZ][component] Title of the pull request", where *XYZ* should be replaced by the actual issue number. Skip *Issue XYZ* if there is no associated github issue for this pull request. Skip *component* if you are unsure about which is the best component. E.g. `[docs] Fix typo in produce method`. - Fill out the template below to describe the changes contributed by the pull request. That will give reviewers the context they need to do the review. - Each pull request should address only one issue, not mix up code from multiple issues. - Each commit in the pull request has a meaningful commit message - Once all items of the checklist are addressed, remove the above text and this checklist, leaving only the filled out template below. **(The sections below can be removed for hotfixes of typos)** --> *(If this PR fixes a github issue, please add `Fixes #<xyz>`.)* Fixes #6698 *(or if this PR is one task of a github issue, please add `Master Issue: #<xyz>` to link to the master issue.)* Master Issue: #6698 ### Motivation *Explain here the context, and why you're making that change. What is the problem you're trying to solve.* ### Modifications 1.add prepare interface in Function.java 2.swith classloader after setupJavaInstance，before process in JavaInstanceRunnable.java. 3.List of modified files: JavaInstance.java JavaInstanceRunnable.java Function.java WindowFunctionExecutor.java JavaInstanceRunnableTest.java JavaInstanceRunnableTest.java JavaInstanceTest.java AutoSchemaFunction.java ConfigBasedAppendFunction.java ConsistentlyFailingFunction.java ContextFunction.java CustomBaseToBaseFunction.java CustomBaseToDerivedFunction.java CustomDerivedToBaseFunction.java CustomDerivedToDerivedFunction.java CustomObjectFunction.java ExclamationFunction.java HostAppenderFunction.java InstanceIdAppenderFunction.java IntegerAdditionFunction.java LoggingFunction.java PublishFunction.java TypedMessageBuilderPublish.java UserConfigFunction.java UserExceptionFunction.java UserMetricFunction.java UserPublishFunction.java VoidFunction.java WordCountFunction.java FunctionsImplTest.java FunctionApiV2ResourceTest.java FunctionApiV3ResourceTest.java ### Verifying this change - [ ] Make sure that the change passes the CI checks. *(Please pick either of the following options)* This change is a trivial rework / code cleanup without any test coverage. *(or)* This change is already covered by existing tests, such as *(please describe tests)*. *(or)* This change added tests and can be verified as follows: *(example:)* - *Added integration tests for end-to-end deployment with large payloads (10MB)* - *Extended integration test for recovery after broker failure* ### Does this pull request potentially affect one of the following parts: *If `yes` was chosen, please highlight the changes* - Dependencies (does it add or upgrade a dependency): (yes / no) - The public API: (yes / no) - The schema: (yes / no / don't know) - The default values of configurations: (yes / no) - The wire protocol: (yes / no) - The rest endpoints: (yes / no) - The admin cli options: (yes / no) - Anything that affects deployment: (yes / no / don't know) ### Documentation - Does this pull request introduce a new feature? (yes / no) - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented) - If a feature is not applicable for documentation, explain why? - If a feature is not documented yet in this PR, please create a followup issue for adding the documentation
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