com.espertech.esper.common.client.hook.vdw

Interface VirtualDataWindowForge

public interface VirtualDataWindowForge

Factory for VirtualDataWindow.

Register an implementation of this interface with the runtimebefore use: configuration.addPlugInVirtualDataWindow("test", "vdw", SupportVirtualDWFactory.class.getName());

Method Summary

Modifier and Type	Method and Description
VirtualDataWindowFactoryMode	getFactoryMode() Describes to the compiler how it should manage code for the virtual data window factory.
Set<String>	getUniqueKeyPropertyNames() Return the names of properties that taken together (combined, composed, not individually) are the unique keys of a row, return null if there are no unique keys that can be identified.
void	initialize(VirtualDataWindowForgeContext initializeContext) Invoked once after instantiation of the forge, exactly once per named window.

Method Detail

initialize

void initialize(VirtualDataWindowForgeContext initializeContext)

Invoked once after instantiation of the forge, exactly once per named window.

Parameters:

initializeContext - provides contextual information such as event type, named window name and parameters.

getFactoryMode

VirtualDataWindowFactoryMode getFactoryMode()

Describes to the compiler how it should manage code for the virtual data window factory.

Returns:

mode object

getUniqueKeyPropertyNames

Set<String> getUniqueKeyPropertyNames()

Return the names of properties that taken together (combined, composed, not individually) are the unique keys of a row, return null if there are no unique keys that can be identified.

Returns:

set of unique key property names