io.trane.future

Interface Transformer<T,U>

Type Parameters:

T - the type of the future value.

U - the result type of the transformation.

public interface Transformer<T,U>

Interface to be used by future.transform.

Method Summary

Modifier and Type	Method and Description
U	onException(Throwable ex) Transformation called when the future completes with a failure.
U	onValue(T value) Transformation called when the future completes with a value.

Method Detail

onException

U onException(Throwable ex)

Transformation called when the future completes with a failure.

Parameters:

ex - the failure.

Returns:

the transformed value.

onValue

U onValue(T value)

Transformation called when the future completes with a value.

Parameters:

value - the value.

Returns:

the transformed value.