org.eclipse.scada.da.datasource.memory

Class MemoryDataSource

java.lang.Object

org.eclipse.scada.da.datasource.base.AbstractDataSource

org.eclipse.scada.da.datasource.memory.MemoryDataSource

All Implemented Interfaces:

DataSource

public class MemoryDataSource
extends AbstractDataSource

Field Summary

Fields inherited from interface org.eclipse.scada.da.datasource.DataSource

DATA_SOURCE_ID

Constructor Summary

Constructors

Constructor and Description
MemoryDataSource(Executor executor)

Method Summary

Modifier and Type	Method and Description
void	dispose()
protected Executor	getExecutor() Return the executor to use for sending out events
protected WriteAttributeResults	setAttributes(Map<String,Variant> attributes)
protected WriteResult	setValue(Variant value)
NotifyFuture<WriteAttributeResults>	startWriteAttributes(Map<String,Variant> attributes, OperationParameters operationParameters)
NotifyFuture<WriteResult>	startWriteValue(Variant value, OperationParameters operationParameters)
protected void	update()
void	update(Map<String,String> parameters)

Methods inherited from class org.eclipse.scada.da.datasource.base.AbstractDataSource

addListener, removeListener, updateData

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryDataSource

public MemoryDataSource(Executor executor)

Method Detail

getExecutor

protected Executor getExecutor()

Description copied from class: AbstractDataSource

Return the executor to use for sending out events

Specified by:

getExecutor in class AbstractDataSource

Returns:

the executor to use, must never be null

startWriteAttributes

public NotifyFuture<WriteAttributeResults> startWriteAttributes(Map<String,Variant> attributes,
                                                                OperationParameters operationParameters)

startWriteValue

public NotifyFuture<WriteResult> startWriteValue(Variant value,
                                                 OperationParameters operationParameters)

setValue

protected WriteResult setValue(Variant value)

setAttributes

protected WriteAttributeResults setAttributes(Map<String,Variant> attributes)

update

protected void update()

update

public void update(Map<String,String> parameters)
            throws Exception

Throws:

Exception

dispose

public void dispose()