org.eclipse.scada.da.server.osgi.summary

Class AttributeDataSourceSummarizer

java.lang.Object

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

org.eclipse.scada.da.datasource.base.AbstractInputDataSource

org.eclipse.scada.da.server.osgi.summary.AbstractDataSourceSummarizer

org.eclipse.scada.da.server.osgi.summary.AttributeDataSourceSummarizer

All Implemented Interfaces:

DataSource

public class AttributeDataSourceSummarizer
extends AbstractDataSourceSummarizer

Field Summary

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

DATA_SOURCE_ID

Constructor Summary

Constructors

Constructor and Description
AttributeDataSourceSummarizer(Executor executor, ObjectPoolTracker<DataSource> tracker)

Method Summary

Modifier and Type	Method and Description
void	dispose()
protected void	handleAdding(DataSource source) Called right before the new data source is added but before it is registered
protected void	handleRemoved(DataSource source) Called after the data source has been removed
protected void	handleStateChange(DataSource source, DataItemValue value)
protected boolean	isMatch(DataSource source, DataItemValue value)
protected boolean	isMatch(DataSource source, Dictionary<?,?> properties)
void	update(Map<String,String> parameters)
protected void	updateStats()

Methods inherited from class org.eclipse.scada.da.server.osgi.summary.AbstractDataSourceSummarizer

close, getExecutor, handleAdded, handleRemoved, open

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

startWriteAttributes, startWriteValue

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

AttributeDataSourceSummarizer

public AttributeDataSourceSummarizer(Executor executor,
                                     ObjectPoolTracker<DataSource> tracker)

Method Detail

handleAdding

protected void handleAdding(DataSource source)

Description copied from class: AbstractDataSourceSummarizer

Called right before the new data source is added but before it is registered

Specified by:

handleAdding in class AbstractDataSourceSummarizer

Parameters:

source - the source that changed

handleRemoved

protected void handleRemoved(DataSource source)

Description copied from class: AbstractDataSourceSummarizer

Called after the data source has been removed

Specified by:

handleRemoved in class AbstractDataSourceSummarizer

Parameters:

source - the source that changed

handleStateChange

protected void handleStateChange(DataSource source,
                                 DataItemValue value)

Specified by:

handleStateChange in class AbstractDataSourceSummarizer

isMatch

protected boolean isMatch(DataSource source,
                          Dictionary<?,?> properties)

Overrides:

isMatch in class AbstractDataSourceSummarizer

isMatch

protected boolean isMatch(DataSource source,
                          DataItemValue value)

updateStats

protected void updateStats()

dispose

public void dispose()

update

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

Throws:

Exception