org.eclipse.scada.da.server.common.item.factory

Interface ItemFactory

All Known Implementing Classes:

CommonItemFactory, DataItemFactory, DefaultChainItemFactory, FolderItemFactory, HiveItemFactory, ObjectPoolDataItemFactory

public interface ItemFactory

Method Summary

Methods

Modifier and Type	Method and Description
DataItemCommand	createCommand(String localId, Map<String,Variant> properties)
DataItemInputChained	createInput(String localId, Map<String,Variant> properties)
WriteHandlerItem	createInputOutput(String localId, Map<String,Variant> properties, WriteHandler writeHandler)
WriteHandlerItem	createOutput(String localId, Map<String,Variant> properties, WriteHandler writeHandler)
void	dispose() Dispose the factory
void	disposeAllItems() Dispose all items at once
void	disposeItem(DataItem dataItem) Dispose an item if it was created by this factory

Method Detail

createCommand

DataItemCommand createCommand(String localId,
                            Map<String,Variant> properties)

createInput

DataItemInputChained createInput(String localId,
                               Map<String,Variant> properties)

createInputOutput

WriteHandlerItem createInputOutput(String localId,
                                 Map<String,Variant> properties,
                                 WriteHandler writeHandler)

createOutput

WriteHandlerItem createOutput(String localId,
                            Map<String,Variant> properties,
                            WriteHandler writeHandler)

disposeItem

void disposeItem(DataItem dataItem)

Dispose an item if it was created by this factory

If the item was not created by this factory or was already disposed this is no error and no exception is thrown

Parameters:

dataItem - data item to dispose

dispose

void dispose()

Dispose the factory

All items that where created by this factory and where not disposed up to now are being disposed

After a call to this method it is not possible to create new items. Multiple calls to dispose() or calls to disposeAllItems() are possible.

disposeAllItems

void disposeAllItems()

Dispose all items at once

After a call to this method it is still possible to create new items