com.pdmfc.tea.modules.tos
Class SMethodLoader

java.lang.Object
  com.pdmfc.tea.modules.tos.SMethodLoader

All Implemented Interfaces:

SObjFunction

public class SMethodLoader
extends java.lang.Object
implements SObjFunction

This class implements a TOS method that when invoked for the first time loads and creates an instance of another class. That instance will then replace the TOS method that had just been invoked. The loaded class must be derived from SObjFunction and it must represent a TOS method for the same TOS class the SMethodLoader had been a method of.

Constructor Summary

SMethodLoader(java.lang.String className)

Method Summary

java.lang.Object

exec(SObjFunction obj, SContext context, java.lang.Object[] args) This method is supposed to be called with args having at least one element.

Methods inherited from class java.lang.Object

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

Constructor Detail

SMethodLoader

public SMethodLoader(java.lang.String className)

Parameters:

className - The name of the class to load the first time the exec() method is invoked.

Method Detail

exec

public java.lang.Object exec(SObjFunction obj,
                             SContext context,
                             java.lang.Object[] args)
                      throws STeaException

This method is supposed to be called with args having at least one element.

Argument obj is supposed to be an STosObj. Argument args[1] is supposed to be a symbol naming the called method. The method named after args[1] of the class of the obj TOS object is replaced by an instance of the classe whose name was passed to the constructor.

Specified by:

exec in interface SObjFunction

Parameters:

obj - The SObjProc that led to execute this method.

context - The intepreter context where the Tea function was called.

args - The arguments the function was called with.

Returns:

An Object object.

Throws:

STeaException - Thrown if there were problems instantianting the new SObjProc or while invoking the exec() method for that object.