org.eclipse.scada.hds

Class AbstractValueSource

java.lang.Object

org.eclipse.scada.hds.AbstractValueSource

All Implemented Interfaces:

ValueSource

Direct Known Subclasses:

DataStoreAccesor, HSDBValueSource

public abstract class AbstractValueSource
extends Object
implements ValueSource

Constructor Summary

Constructors

Constructor and Description
AbstractValueSource()

Method Summary

Modifier and Type	Method and Description
void	addListener(DataStoreListener listener)
protected void	notifyChange(Date start, Date end)
void	removeListener(DataStoreListener listener)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.scada.hds.ValueSource

visit

Constructor Detail

AbstractValueSource

public AbstractValueSource()

Method Detail

addListener

public void addListener(DataStoreListener listener)

Specified by:

addListener in interface ValueSource

removeListener

public void removeListener(DataStoreListener listener)

Specified by:

removeListener in interface ValueSource

notifyChange

protected void notifyChange(Date start,
                            Date end)