javafx.util

Interface Callback<P,R>

Type Parameters:

P - The type of the argument provided to the call method.

R - The type of the return type of the call method.

All Known Implementing Classes:

MapValueFactory, PropertyValueFactory

public interface Callback<P,R>

The Callback interface is designed to allow for a common, reusable interface to exist for defining APIs that requires a call back in certain situations.

Callback is defined with two generic parameters: the first parameter specifies the type of the object passed in to the call method, with the second parameter specifying the return type of the method.

Method Summary

Methods

Modifier and Type	Method and Description
R	call(P param) The call method is called when required, and is given a single argument of type P, with a requirement that an object of type R is returned.

Method Detail

call

R call(P param)

The call method is called when required, and is given a single argument of type P, with a requirement that an object of type R is returned.

Parameters:

param - The single argument upon which the returned value should be determined.

Returns:

An object of type R that may be determined based on the provided parameter value.