com.espertech.esper.event.vaevent
Class VAERevisionProcessorBase

java.lang.Object
  com.espertech.esper.event.vaevent.VAERevisionProcessorBase

All Implemented Interfaces:

ValueAddEventProcessor

Direct Known Subclasses:

VAERevisionProcessorDeclared, VAERevisionProcessorMerge

public abstract class VAERevisionProcessorBase
extends java.lang.Object
implements ValueAddEventProcessor

Base revision processor.

Field Summary

protected EventAdapterService	eventAdapterService For interogating nested properties.
protected RevisionEventType	revisionEventType Revision event type.
protected java.lang.String	revisionEventTypeName Name of type.
protected RevisionSpec	revisionSpec Revision type specification.
protected java.util.Map<EventType,RevisionTypeDesc>	typeDescriptors Map of participating type to descriptor.

Constructor Summary

protected

VAERevisionProcessorBase(RevisionSpec revisionSpec, java.lang.String revisioneventTypeName, EventAdapterService eventAdapterService) Ctor.

Method Summary

EventAdapterService	getEventAdapterService()
RevisionEventType	getValueAddEventType() Returns the event type that this revision processor generates.
void	validateEventType(EventType eventType) For use in checking insert-into statements, validates that the given type is eligible for revision event.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.espertech.esper.event.vaevent.ValueAddEventProcessor

getSnapshot, getValueAddEventBean, onUpdate, removeOldData

Field Detail

revisionSpec

protected final RevisionSpec revisionSpec

Revision type specification.

revisionEventTypeName

protected final java.lang.String revisionEventTypeName

Name of type.

revisionEventType

protected RevisionEventType revisionEventType

Revision event type.

eventAdapterService

protected EventAdapterService eventAdapterService

For interogating nested properties.

typeDescriptors

protected java.util.Map<EventType,RevisionTypeDesc> typeDescriptors

Map of participating type to descriptor.

Constructor Detail

VAERevisionProcessorBase

protected VAERevisionProcessorBase(RevisionSpec revisionSpec,
                                   java.lang.String revisioneventTypeName,
                                   EventAdapterService eventAdapterService)

Ctor.

Parameters:

revisionSpec - specification

revisioneventTypeName - name of event type

eventAdapterService - for nested property handling

Method Detail

getValueAddEventType

public RevisionEventType getValueAddEventType()

Description copied from interface: ValueAddEventProcessor

Returns the event type that this revision processor generates.

Specified by:

getValueAddEventType in interface ValueAddEventProcessor

Returns:

event type

validateEventType

public void validateEventType(EventType eventType)
                       throws ExprValidationException

Description copied from interface: ValueAddEventProcessor

For use in checking insert-into statements, validates that the given type is eligible for revision event.

Specified by:

validateEventType in interface ValueAddEventProcessor

Parameters:

eventType - the type of the event participating in revision event type (or not)

Throws:

ExprValidationException - if the validation fails

getEventAdapterService

public EventAdapterService getEventAdapterService()