org.globus.mds.usefulrp
Class GLUEResourceProperty.PeriodicExecutor

java.lang.Object
  org.globus.mds.usefulrp.GLUEResourceProperty.PeriodicExecutor

All Implemented Interfaces:

java.lang.Runnable

Enclosing class:

GLUEResourceProperty

class GLUEResourceProperty.PeriodicExecutor

extends java.lang.Object

implements java.lang.Runnable

This class will periodically execute a specified script. TODO: Periodic execution will be started automatically by the constructor.

Field Summary

(package private) GLUEResourceProperty.Listener	callback callback to be made to deliver
(package private) java.lang.Class	cl the output of the producer will be deserialised to an instance of this class.
(package private) int	period number of seconds to wait after one execution has finished before starting the subsequent execution.
private int	refresherThreadNumber counter to use for numbering in the names of the refresher threads
(package private) java.lang.String	scriptName Defines the type and name of the script to run.
(package private) java.lang.Thread	thread

Constructor Summary

(package private)

GLUEResourceProperty.PeriodicExecutor(java.lang.String s, java.lang.Class c, GLUEResourceProperty.Listener l, int p)

Method Summary

void	run()
private void	runScript() Executes the configured provider.

Methods inherited from class java.lang.Object

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

Field Detail

scriptName

java.lang.String scriptName

Defines the type and name of the script to run. The type is determined by the first word of the parameter, which make take the following values:

• java - the remainder of the paramater will be taken as a java class name to instantiate and execute (TODO cache object?)
• shell - the remainder of the parameter will be taken as a system commandline to execute.

cl

java.lang.Class cl

the output of the producer will be deserialised to an instance of this class.

callback

GLUEResourceProperty.Listener callback

callback to be made to deliver

period

int period

number of seconds to wait after one execution has finished before starting the subsequent execution. Note that this means that the period between the start of one execution and the start of the next will be greater than this period.

thread

java.lang.Thread thread

refresherThreadNumber

private int refresherThreadNumber

counter to use for numbering in the names of the refresher threads

Constructor Detail

GLUEResourceProperty.PeriodicExecutor

GLUEResourceProperty.PeriodicExecutor(java.lang.String s,
                                      java.lang.Class c,
                                      GLUEResourceProperty.Listener l,
                                      int p)

Method Detail

run

public void run()

Specified by:

run in interface java.lang.Runnable

runScript

private void runScript()

Executes the configured provider. Tf the execution is successful, a deserialised object of class cl will be passed to the listener callback.