bowenli86 opened a new pull request #6979: [FLINK-10168] Add FileFilter interface and FileModTimeFilter which sets a read start position for files by modification time URL: https://github.com/apache/flink/pull/6979 ## What is the purpose of the change The motivation is 1. enabling users to set a read start position for files, so they can process files that are modified after a given timestamp 2. exposing more file information to users and providing them with a more flexible file filter interface to define their own filtering rules ## Brief change log - add `FileFilter` interface that users can access all available information of a file and set filtering rules - allow users to set `FileFilter` to `FileInputFormat` - add `FileModTimeFilter`, in which users can set a read start position for files so Flink only process files that are modified after the given timestamp ## Verifying this change This change added tests and can be verified as follows: - extended unit tests for FileInputFormat in `FileInputFormatTest` - added `FileModTimeFilterTest` ## Does this pull request potentially affect one of the following parts: - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes ) ## Documentation - Does this pull request introduce a new feature? (yes ) - If yes, how is the feature documented? - Documentation will be added in another PR in a different jira ticket
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