org.apache.commons.jexl.util
Class AbstractExecutor

java.lang.Object
  |
  +--org.apache.commons.jexl.util.AbstractExecutor

Direct Known Subclasses:

GetExecutor, PropertyExecutor

public abstract class AbstractExecutor

extends Object

Abstract class that is used to execute an arbitrary method that is in introspected. This is the superclass for the GetExecutor and PropertyExecutor.

Since:

1.0

Version:

$Id: AbstractExecutor.java 398171 2006-04-29 14:57:29Z dion $

Field Summary

protected Method	method Method to be executed.
protected Log	rlog The executor instance log.

Constructor Summary

AbstractExecutor()

Method Summary

abstract Object	execute(Object o) Execute method against context.
Method	getMethod() Get the method to be executed.
boolean	isAlive() Tell whether the executor is alive by looking at the value of the method.

Methods inherited from class java.lang.Object

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

Field Detail

rlog

protected Log rlog

The executor instance log.

method

protected Method method

Method to be executed.

Constructor Detail

AbstractExecutor

public AbstractExecutor()

Method Detail

execute

public abstract Object execute(Object o)
                        throws IllegalAccessException,
                               InvocationTargetException

Execute method against context.

Parameters:

o - The owner.

Returns:

The return value.

Throws:

IllegalAccessException - Method is inaccessible.

InvocationTargetException - Method body throws an exception.

isAlive

public boolean isAlive()

Tell whether the executor is alive by looking at the value of the method.

Returns:

boolean Whether the executor is alive.

getMethod

public Method getMethod()

Get the method to be executed.

Returns:

Method The method to be executed.