Package org.scictrl.mp.orbitcorrect.epics

Class EDataConnectorDD

java.lang.Object

org.scictrl.mp.orbitcorrect.epics.EAbstractDataConnector<Double[]>

org.scictrl.mp.orbitcorrect.epics.EDataConnectorDD

All Implemented Interfaces:

IDataConnector<Double[]>

public class EDataConnectorDD
extends EAbstractDataConnector<Double[]>

EDataConnectorDD class.

Author:

igor@scictrl.com

Nested Class Summary

Nested classes/interfaces inherited from interface org.scictrl.mp.orbitcorrect.model.IDataConnector

IDataConnector.PushStrategy, IDataConnector.UpdateStrategy

Field Summary

Fields inherited from class org.scictrl.mp.orbitcorrect.epics.EAbstractDataConnector

element, engine

Constructor Summary

Constructors

Constructor	Description
EDataConnectorDD(EControlSystemEngine engine, IBindedElement<Double[]> element, org.scictrl.csshell.epics.EPICSConnection<Double>[] connections)	Constructor for EDataConnectorDD.

Method Summary

Modifier and Type	Method	Description
void	destroy()	Destroys remote connection and release all relevant resources.
Double[]	get()	Gets value from remote data source and returns it.
org.scictrl.csshell.epics.EPICSConnection<Double>[]	getConnections()	Getter for the field connections.
String	getFormat()	getFormat.
long	getLatestReceivedTimestamp()	getLatestReceivedTimestamp.
Double[]	getLatestReceivedValue()	Returns latest position delivered to the connector by way of event updates.
double	getMaxValue()	getMaxValue.
double	getMinValue()	getMinValue method comment.
String	getName()	getName.
boolean	isReady()	A quick tests of connection and device by examining locally available data.
boolean	test()	Tests connection and device if it is in usable state.

Methods inherited from class org.scictrl.mp.orbitcorrect.epics.EAbstractDataConnector

dataType

Methods inherited from class java.lang.Object

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

Constructor Details

EDataConnectorDD

public EDataConnectorDD(EControlSystemEngine engine,
 IBindedElement<Double[]> element,
 org.scictrl.csshell.epics.EPICSConnection<Double>[] connections)
                 throws Exception

Constructor for EDataConnectorDD.

Parameters:

engine - a EControlSystemEngine object

element - a IBindedElement object

connections - an array of EPICSConnection objects

Throws:

Exception - if fails

Method Details

destroy

public void destroy()

Destroys remote connection and release all relevant resources.

get

public Double[] get()
             throws Exception

Gets value from remote data source and returns it.

Returns:

value from remote data source.

Throws:

Exception - if remote get fails

getLatestReceivedValue

public Double[] getLatestReceivedValue()

Returns latest position delivered to the connector by way of event updates.

Returns:

lates data update value

test

public boolean test()

Tests connection and device if it is in usable state. This may include making remote calls and checking remote status or other values.

Returns:

true if connector can be used

isReady

public boolean isReady()

A quick tests of connection and device by examining locally available data. It is suppose to be lightweight method, avoiding making remote calls and should exit quickly.

Returns:

true if connector can be used

getFormat

public String getFormat()
                 throws ControlSystemException

getFormat.

Returns:

a String object

Throws:

ControlSystemException - if any.

getLatestReceivedTimestamp

public long getLatestReceivedTimestamp()

getLatestReceivedTimestamp.

Returns:

a long

getName

public String getName()

getName.

Returns:

a String object

getMaxValue

public double getMaxValue()
                   throws ControlSystemException

getMaxValue.

Returns:

a double

Throws:

ControlSystemException - if any.

getMinValue

public double getMinValue()
                   throws ControlSystemException

getMinValue method comment.

Returns:

a double

Throws:

ControlSystemException - if any.

getConnections

public org.scictrl.csshell.epics.EPICSConnection<Double>[] getConnections()

Getter for the field connections.

Returns:

an array of EPICSConnection objects