xintongsong commented on code in PR #32:
URL: https://github.com/apache/flink-agents/pull/32#discussion_r2160207355
##########
python/flink_agents/examples/workflow_example.py:
##########
@@ -0,0 +1,31 @@
+from typing import Any
+
+from flink_agents.api.decorators import action
+from flink_agents.api.event import Event, InputEvent, OutputEvent
+from flink_agents.api.workflow import Workflow
+from flink_agents.api.workflow_runner_context import WorkflowRunnerContext
+
+
+class MyEvent(Event): #noqa D101
+ value: Any
+
+class MyWorkflow(Workflow): #noqa D101
+ @action(InputEvent)
+ @staticmethod
+ def first_action(event: Event, ctx: WorkflowRunnerContext): #noqa D102
+ event.input += " first_action"
+ ctx.send_event(MyEvent(value=event.input))
+ ctx.send_event(OutputEvent(output=event.input))
+
+ @action(MyEvent)
+ @staticmethod
+ def second_action(event: Event, ctx: WorkflowRunnerContext): #noqa D102
+ event.value += " second_action"
+ ctx.send_event(OutputEvent(output=event.value))
+
+
+if __name__ == "__main__":
+ workflow = MyWorkflow()
+ session_id = workflow.run(input="input", runner='LocalRunner')
+ for output in workflow.get_outputs(session_id):
+ print(output)
Review Comment:
I'd suggest something like:
```
in_q = Queue()
out_q = (FlinkAgentsExecutionEnvironment
.from_queue(in_q)
.apply(workflow)
.to_queue()
)
FlinkAgentsExecutionEnvironment.execute();
in_q.put(("intput1", "key"))
in_q.put("input2") # automatically generate new unique key
while not out_q.empty():
(key, output) = out_q.get()
print(key, output)
```
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