io.spokestack.spokestack.util

Interface Callback<T>

Type Parameters:

T - The type of result with which the callback should be executed.

All Known Implementing Classes:

Spokestack, SpokestackAdapter

public interface Callback<T>

A simple interface representing a callback function called with a single argument. Since callbacks are often used to propagate results of asynchronous operations, the callback may also receive an error generated during the task meant to produce its result.

Method Summary

Modifier and Type	Method and Description
void	call(T arg) Call the callback with the specified argument.
void	onError(Throwable err) Call the callback with an error generated during an asynchronous task.

Method Detail

call

void call(@NonNull
          T arg)

Call the callback with the specified argument.

Parameters:

arg - The callback's argument.

onError

void onError(@NonNull
             Throwable err)

Call the callback with an error generated during an asynchronous task.

Parameters:

err - An error generated instead of the callback's intended result.