P
- the type of callback parametersR
- the type of callback response@FunctionalInterface public interface SyncCallback<P,R> extends Callback
Modifier and Type | Method and Description |
---|---|
R |
on(P params)
Invoked when the callback needs a response of type
R that may be determined based on
the provided callback parameters. |
@CheckForNull R on(P params)
R
that may be determined based on
the provided callback parameters.params
- the object that represents the callback parametersR
that represents the callback response that should be
determined based on the provided parametersnull
. If this method returns null
, then the code that calls
this method decides how to handle this situation