1996fanrui opened a new pull request, #23203:
URL: https://github.com/apache/flink/pull/23203
## What is the purpose of the change
Currently, most of states of adaptive scheduler extends
StateWithExecutionGraph, and it can reduce a lots of repeated code.
We can define the StateWithoutExecutionGraph and the corresponding Context
as well, then the rest of states can extend the StateWithoutExecutionGraph,
such as: Created, WaitingForResources, CreatingExecutionGraph.
This improvement can reduce a lot of code for these states, such as:
cancel(), suspend(), getJob(), handleGlobalFailure() and getLogger().
These methods of Created, WaitingForResources and CreatingExecutionGraph are
same.
## Brief change log
[FLINK-32859][scheduler] Introduce the StateWithoutExecutionGraph.
## Verifying this change
Add the test later.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
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