org.eclipse.scada.da.datasource

Interface DataSource

All Known Subinterfaces:

MasterItem

All Known Implementing Classes:

AbstractDataSource, AbstractDataSourceHandler, AbstractDataSourceSummarizer, AbstractInputDataSource, AbstractMultiSourceDataSource, AttributeDataSourceSummarizer, ChangeCounterDataSource, ConstantDataSource, DataInputOutputSource, DataInputSource, DataItemSourceImpl, DataStoreDataSource, DeltaDataSource, FormulaDataSource, MasterItemImpl, MemoryDataSource, ProxyDataSource, ScriptDataSource, SumDataSource, TotalizerDataSource

public interface DataSource

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATA_SOURCE_ID

Method Summary

Modifier and Type	Method and Description
void	addListener(DataSourceListener listener)
void	removeListener(DataSourceListener listener)
NotifyFuture<WriteAttributeResults>	startWriteAttributes(Map<String,Variant> attributes, OperationParameters operationParameters)
NotifyFuture<WriteResult>	startWriteValue(Variant value, OperationParameters operationParameters)

Field Detail

DATA_SOURCE_ID

static final String DATA_SOURCE_ID

See Also:

Constant Field Values

Method Detail

addListener

void addListener(DataSourceListener listener)

removeListener

void removeListener(DataSourceListener listener)

startWriteValue

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

startWriteAttributes

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