org.apache.hadoop.util

类 ProgramDriver

java.lang.Object

org.apache.hadoop.util.ProgramDriver

public class ProgramDriver
extends Object

A driver that is used to run programs added to it

构造器概要

构造器

构造器和说明
ProgramDriver()

方法概要

方法

限定符和类型	方法和说明
void	addClass(String name, Class mainClass, String description) This is the method that adds the classed to the repository
void	driver(String[] args) This is a driver for the example programs.

从类继承的方法 java.lang.Object

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

构造器详细资料

ProgramDriver

public ProgramDriver()

方法详细资料

addClass

public void addClass(String name,
            Class mainClass,
            String description)
              throws Throwable

This is the method that adds the classed to the repository

参数:

name - The name of the string you want the class instance to be called with

mainClass - The class that you want to add to the repository

description - The description of the class

抛出:

NoSuchMethodException

SecurityException

Throwable

driver

public void driver(String[] args)
            throws Throwable

This is a driver for the example programs. It looks at the first command line argument and tries to find an example program with that name. If it is found, it calls the main method in that class with the rest of the command line arguments.

参数:

args - The argument from the user. args[0] is the command to run.

抛出:

NoSuchMethodException

SecurityException

IllegalAccessException

IllegalArgumentException

Throwable - Anything thrown by the example program's main