br.org.scadabr.rt.dataSource.opc

Class OPCDataSource

java.lang.Object

com.serotonin.mango.rt.dataSource.DataSourceRT

com.serotonin.mango.rt.dataSource.PollingDataSource

br.org.scadabr.rt.dataSource.opc.OPCDataSource

All Implemented Interfaces:

TimeoutClient, com.serotonin.util.ILifecycle

public class OPCDataSource
extends PollingDataSource

Field Summary

Fields

Modifier and Type	Field and Description
static int	DATA_SOURCE_EXCEPTION_EVENT
private org.apache.commons.logging.Log	LOG
private br.org.scadabr.OPCMaster	opcMaster
static int	POINT_READ_EXCEPTION_EVENT
static int	POINT_WRITE_EXCEPTION_EVENT
private int	timeoutCount
private int	timeoutsToReconnect
private OPCDataSourceVO<?>	vo

Fields inherited from class com.serotonin.mango.rt.dataSource.PollingDataSource

dataPoints, pointListChanged

Fields inherited from class com.serotonin.mango.rt.dataSource.DataSourceRT

addedChangedPoints, ATTR_DISCONNECTED_KEY, ATTR_UNRELIABLE_KEY, pointListChangeLock, removedPoints

Constructor Summary

Constructors

Constructor and Description
OPCDataSource(OPCDataSourceVO<?> vo)

Method Summary

Modifier and Type	Method and Description
protected void	doPoll(long time)
void	initialize()
void	setPointValue(DataPointRT dataPoint, PointValueTime valueTime, SetPointSource source)
void	terminate()

Methods inherited from class com.serotonin.mango.rt.dataSource.PollingDataSource

beginPolling, joinTermination, scheduleTimeout, setPollingPeriod, updateChangedPoints

Methods inherited from class com.serotonin.mango.rt.dataSource.DataSourceRT

addDataPoint, forcePointRead, getExceptionMessage, getId, getName, getPersistentData, getSerialExceptionMessage, raiseEvent, relinquish, removeDataPoint, returnToNormal, setPersistentData

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private final org.apache.commons.logging.Log LOG

POINT_READ_EXCEPTION_EVENT

public static final int POINT_READ_EXCEPTION_EVENT

See Also:

Constant Field Values

DATA_SOURCE_EXCEPTION_EVENT

public static final int DATA_SOURCE_EXCEPTION_EVENT

See Also:

Constant Field Values

POINT_WRITE_EXCEPTION_EVENT

public static final int POINT_WRITE_EXCEPTION_EVENT

See Also:

Constant Field Values

opcMaster

private br.org.scadabr.OPCMaster opcMaster

vo

private final OPCDataSourceVO<?> vo

timeoutCount

private int timeoutCount

timeoutsToReconnect

private int timeoutsToReconnect

Constructor Detail

OPCDataSource

public OPCDataSource(OPCDataSourceVO<?> vo)

Method Detail

doPoll

protected void doPoll(long time)

Specified by:

doPoll in class PollingDataSource

setPointValue

public void setPointValue(DataPointRT dataPoint,
                          PointValueTime valueTime,
                          SetPointSource source)

Specified by:

setPointValue in class DataSourceRT

initialize

public void initialize()

Specified by:

initialize in interface com.serotonin.util.ILifecycle

Overrides:

initialize in class DataSourceRT

terminate

public void terminate()

Specified by:

terminate in interface com.serotonin.util.ILifecycle

Overrides:

terminate in class PollingDataSource