rice.proxy
Class Proxy

java.lang.Object
  rice.proxy.Proxy

public class Proxy

extends java.lang.Object

This class represents a generic Java process launching program which reads in preferences from a preferences file and then invokes another JVM using those prefs. If the launched JVM dies, this process can be configured to restart the JVM any number of times before giving up. This process can also be configured to launch the second JVM with a specified memory allocation, etc...

Author:

Alan Mislove

Nested Class Summary

protected class	Proxy.AutomaticUpdater
protected class	Proxy.DynamicClasspath
protected class	Proxy.LivenessMonitorTest

Field Summary

static java.lang.String[]	DEFAULT_PARAM_FILES
protected Environment	environment
protected rice.proxy.Proxy.LivenessMonitor	lm
protected Logger	logger
protected java.lang.Process	process
static java.lang.String	PROXY_PARAMETERS_NAME

Constructor Summary

Proxy(Environment env)

Method Summary

protected java.lang.String	buildJavaCommand(Parameters parameters)
protected java.lang.String[]	buildJavaEnvironment(Parameters parameters)
static void	main(java.lang.String[] args)
void	restart()
void	run()
boolean	verifyJar(java.lang.String filename, byte[] hash, java.lang.String md5)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PARAM_FILES

public static java.lang.String[] DEFAULT_PARAM_FILES

PROXY_PARAMETERS_NAME

public static java.lang.String PROXY_PARAMETERS_NAME

process

protected java.lang.Process process

lm

protected rice.proxy.Proxy.LivenessMonitor lm

environment

protected Environment environment

logger

protected Logger logger

Constructor Detail

Proxy

public Proxy(Environment env)

Method Detail

run

public void run()
         throws java.io.IOException,
                java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

buildJavaEnvironment

protected java.lang.String[] buildJavaEnvironment(Parameters parameters)

buildJavaCommand

protected java.lang.String buildJavaCommand(Parameters parameters)

restart

public void restart()

verifyJar

public boolean verifyJar(java.lang.String filename,
                         byte[] hash,
                         java.lang.String md5)

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException