Interface Callbacks.BeforeExecuteCallback
- Enclosing class:
Callbacks
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
Async callback interface for actions to be performed before an execution is started.
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Method Summary
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Method Details
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call
Callback which will be called before an execution is started. It can be used to instrument a context or prevent the execution by returning an error.- Parameters:
ctx- the request context- Returns:
- a
Singlethat completes with a boolean indicating whether the execution should be prevented
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