com.viaoa.process

Class OAChangeRefresher

java.lang.Object

com.viaoa.process.OAChangeRefresher

public abstract class OAChangeRefresher
extends Object

Used to listen to one or more hubs + propertyPaths and run a process whenever a change is made. Uses a single thread to rerun a process whenever refresh is called. Note: since process is ran in another thread, it can find out if any more changes have happened since it has started.

Author:

vvia

See Also:

to start the thread, to manually run process, to stop the thread.

Constructor Summary

Constructors

Constructor and Description
OAChangeRefresher() create a new change refresher.
OAChangeRefresher(boolean bInitialize) ceate a new change refresher, with the option to have refress called once started.

Method Summary

Modifier and Type	Method and Description
void	addListener(Hub hub, String... propertyPaths)
void	addListener(Hub hub, String propertyPath)
protected void	finalize()
boolean	hasChanged() used to know if refresh has been called since processing.
boolean	isChanged()
protected abstract void	process() Called when it's time to process.
void	refresh() used to have the process rerun.
protected void	runThread()
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

OAChangeRefresher

public OAChangeRefresher()

create a new change refresher.

OAChangeRefresher

public OAChangeRefresher(boolean bInitialize)

ceate a new change refresher, with the option to have refress called once started.

Parameters:

bInitialize - if true, then the refresh process is called when start() is called.

Method Detail

process

protected abstract void process()
                         throws Exception

Called when it's time to process.

Throws:

Exception

See Also:

to know if refresh has been called since process started.

refresh

public void refresh()

used to have the process rerun. Can be called manually.

addListener

public void addListener(Hub hub,
                        String... propertyPaths)

addListener

public void addListener(Hub hub,
                        String propertyPath)

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

hasChanged

public boolean hasChanged()

used to know if refresh has been called since processing.

isChanged

public boolean isChanged()

start

public void start()

stop

public void stop()

runThread

protected void runThread()