com.varra.props

Class PropertyFileMonitor

java.lang.Object

com.varra.util.EnhancedTimerTask

com.varra.props.PropertyFileMonitor

All Implemented Interfaces:

Computable, Shutdownable, Comparable<EnhancedTimerTask>, Runnable

public class PropertyFileMonitor
extends EnhancedTimerTask
implements Shutdownable

A watch dog which Monitors the Property file specified, and loads whenever it is modified.
So maintains the properties up-to-date.
Property file loading Interval can be mentioned in the property file with the property named "this.interval".

Version:

1.0

Author:

Rajakrishna V. Reddy

Constructor Summary

Constructors

Constructor and Description
PropertyFileMonitor(ApplicationProperties applicationProperties) Instantiates a new property file monitor.

Method Summary

Modifier and Type	Method and Description
void	compute() Computes the business logic based on the request of subclasses.
ApplicationProperties	getApplicationProperties() Gets the application properties.
static void	main(String[] args) The main method.
void	shutdown(ShutdownMode mode) Shutdowns the backGround PropertyFileMonitor.

Methods inherited from class com.varra.util.EnhancedTimerTask

cancel, compareTo, getElapsedTime, getEvent, getName, getNextExecutionTime, getNoOfExecTimes, getNoOfPendingTimes, getNoOfTimes, getPeriod, getPrevExecutionTime, incrementNoOfExecTimes, isCanceled, isDaemon, isExecuteImmediatelySet, isExpired, isFinished, isPeriodic, isRunning, isSingleExecutable, run, setDaemon, setEvent, setExecuteImmediately, setExpired, setNoOfTimes, setPeriod, setPeriodic, setPrevExecutionTime, setRunning, setSingleExecutable, toString, updateNextExecutionTime

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PropertyFileMonitor

public PropertyFileMonitor(ApplicationProperties applicationProperties)
                    throws PropertyFileLoaderException

Instantiates a new property file monitor.

Parameters:

applicationProperties - the application properties

Throws:

PropertyFileLoaderException - the property file loader exception

Method Detail

shutdown

public void shutdown(ShutdownMode mode)

Shutdowns the backGround PropertyFileMonitor.

Specified by:

shutdown in interface Shutdownable

Parameters:

mode - the mode

See Also:

stop()

compute

public void compute()

Description copied from interface: Computable

Computes the business logic based on the request of subclasses. Pure core business logic will go here with well handled exceptions.

Specified by:

compute in interface Computable

Specified by:

compute in class EnhancedTimerTask

getApplicationProperties

public ApplicationProperties getApplicationProperties()

Gets the application properties.

Returns:

the applicationProperties

main

public static void main(String[] args)
                 throws PropertyFileLoaderException

The main method.

Parameters:

args - the arguments

Throws:

PropertyFileLoaderException - the property file loader exception