org.eclipse.scada.da.datasource.base

Class AbstractMultiSourceDataSource

java.lang.Object

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

org.eclipse.scada.da.datasource.base.AbstractMultiSourceDataSource

All Implemented Interfaces:

DataSource

Direct Known Subclasses:

FormulaDataSource, ScriptDataSource

public abstract class AbstractMultiSourceDataSource
extends AbstractDataSource

Field Summary

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

DATA_SOURCE_ID

Constructor Summary

Constructors

Constructor and Description
AbstractMultiSourceDataSource(ObjectPoolTracker<DataSource> poolTracker)

Method Summary

Modifier and Type	Method and Description
void	addDataSource(String datasourceKey, String datasourceId, VariantType type)
protected void	clearSources() Clear all datasources
void	dispose()
Map<String,DataSourceHandler>	getSourcesCopy()
VariantType	getType(String type)
protected abstract void	handleChange(Map<String,DataSourceHandler> sources)
protected void	setDataSources(Map<String,String> parameters)

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

addListener, getExecutor, removeListener, updateData

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.da.datasource.DataSource

startWriteAttributes, startWriteValue

Constructor Detail

AbstractMultiSourceDataSource

public AbstractMultiSourceDataSource(ObjectPoolTracker<DataSource> poolTracker)

Method Detail

setDataSources

protected void setDataSources(Map<String,String> parameters)
                       throws org.osgi.framework.InvalidSyntaxException

Throws:

org.osgi.framework.InvalidSyntaxException

handleChange

protected abstract void handleChange(Map<String,DataSourceHandler> sources)

clearSources

protected void clearSources()

Clear all datasources

dispose

public void dispose()

addDataSource

public void addDataSource(String datasourceKey,
                          String datasourceId,
                          VariantType type)
                   throws org.osgi.framework.InvalidSyntaxException

Throws:

org.osgi.framework.InvalidSyntaxException

getSourcesCopy

public Map<String,DataSourceHandler> getSourcesCopy()

getType

public VariantType getType(String type)