org.eclipse.scada.da.server.sysinfo.items

Class ScheduledDataItem

java.lang.Object

org.eclipse.scada.da.server.common.DataItemBase

org.eclipse.scada.da.server.common.DataItemInput

org.eclipse.scada.da.server.common.DataItemInputCommon

org.eclipse.scada.da.server.sysinfo.items.ScheduledDataItem

All Implemented Interfaces:

Runnable, DataItem, SuspendableDataItem

Direct Known Subclasses:

PlainFileDataItem, TimeDataItem

public abstract class ScheduledDataItem
extends DataItemInputCommon
implements Runnable, SuspendableDataItem

Field Summary

Fields inherited from class org.eclipse.scada.da.server.common.DataItemBase

listener

Constructor Summary

Constructors

Constructor and Description
ScheduledDataItem(String name, ScheduledExecutorService scheduler, int period)

Method Summary

Modifier and Type	Method and Description
void	suspend() Called when the listener is set from a valid listener to null
void	wakeup() Called when the listener is set from null to a valid listener

Methods inherited from class org.eclipse.scada.da.server.common.DataItemInputCommon

getAttributes, getCacheAttributes, getCacheValue, readValue, startSetAttributes, updateData

Methods inherited from class org.eclipse.scada.da.server.common.DataItemInput

startWriteValue

Methods inherited from class org.eclipse.scada.da.server.common.DataItemBase

getInformation, handleListenerChange, notifyData, notifyData, setListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Constructor Detail

ScheduledDataItem

public ScheduledDataItem(String name,
                         ScheduledExecutorService scheduler,
                         int period)

Method Detail

suspend

public void suspend()

Description copied from interface: SuspendableDataItem

Called when the listener is set from a valid listener to null

Specified by:

suspend in interface SuspendableDataItem

wakeup

public void wakeup()

Description copied from interface: SuspendableDataItem

Called when the listener is set from null to a valid listener

Specified by:

wakeup in interface SuspendableDataItem