com.goldencode.p2j.util

Interface Invocable

All Known Implementing Classes:

Echo.Invoker, MethodInvoker, RemoteObject.RemoteAccess.Invoker

public interface Invocable

An API for objects that can be executed.

Method Summary

Modifier and Type	Method and Description
java.lang.String	describe() Return a text description of the method being invoked.
java.lang.Object	invoke(java.lang.Object[] args) Execute or "run" the object's functionality.

Method Detail

describe

java.lang.String describe()

Return a text description of the method being invoked.

Returns:

The description.

invoke

java.lang.Object invoke(java.lang.Object[] args)
                 throws java.lang.Throwable

Execute or "run" the object's functionality.

Parameters:

args - The method arguments or null for no arguments.

Returns:

The called method's return value or null if there is no return value. Note that this design does not allow the caller to determine the difference between a void return and a return of a genuine null.

Throws:

java.lang.Throwable - If the called method generates any exception or error.