ca.uhn.cache.util
Class MultiDispatch

java.lang.Object
  ca.uhn.cache.util.MultiDispatch

public final class MultiDispatch

extends java.lang.Object

Implements double-dispatching using reflection.

Version:

$Revision: 1.1 $ updated on $Date: 2005/01/24 22:51:49 $ by $Author: bryan_tripp $

Author:

Alexei Guevara

Method Summary

static java.lang.Object	dispatch(java.lang.Object theCallee, java.lang.String theCalleeMethodName, java.lang.Object theArg1) Invoked a method in a callee using "double dispatche".
static java.lang.Object	dispatch(java.lang.Object theCallee, java.lang.String theCalleeMethodName, java.lang.Object theArg1, java.lang.Object theArg2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

dispatch

public static final java.lang.Object dispatch(java.lang.Object theCallee,
                                              java.lang.String theCalleeMethodName,
                                              java.lang.Object theArg1)
                                       throws java.lang.Throwable

Invoked a method in a callee using "double dispatche". class A {} class A1 extends A {} class A2 extends A {} class Callee { Object methodA( A1 a1) {}; Object methodA( A2 a2) {}; } A a = new A1(); Callee callee = new Callee(); //the next statement will invoke Callee.methodA( A1 a1 ) Object retVal = DoubleDispatch.dispatch( callee, "methodA", a );

Parameters:

theCallee - The callee instance.

theCalleeMethodName - The callee method name.

theArg1 - The caller.

Returns:

The return value of the called method.

Throws:

java.lang.Throwable - ...

dispatch

public static final java.lang.Object dispatch(java.lang.Object theCallee,
                                              java.lang.String theCalleeMethodName,
                                              java.lang.Object theArg1,
                                              java.lang.Object theArg2)
                                       throws java.lang.Throwable

Parameters:

theCallee - The callee instance.

theCalleeMethodName - The callee method name.

theArg1 - The arg 1.

theArg2 - The arg 2.

Returns:

The return value of the called method.

Throws:

java.lang.Throwable - ...