com.espertech.esper.event.vaevent
Class RevisionEventBeanMerge

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

All Implemented Interfaces:

EventBean

public class RevisionEventBeanMerge
extends java.lang.Object
implements EventBean

Merge-event for event revisions.

Constructor Summary

RevisionEventBeanMerge(RevisionEventType revisionEventType, EventBean underlyingFull)
Ctor.

Method Summary

java.lang.Object	get(java.lang.String property) Returns the value of an event property for the given property name or property expression.
java.lang.Object	getBaseEventValue(RevisionGetterParameters parameters) Returns base event value.
EventType	getEventType() Return the EventType instance that describes the set of properties available for this event.
java.lang.Object	getFragment(java.lang.String propertyExpression) Returns event beans or array of event bean for a property name or property expression.
java.lang.Object	getKey() Returns the key.
EventBean	getLastBaseEvent() Returns last base event.
java.lang.Object[]	getOverlay() Returns overlay values.
java.lang.Object	getUnderlying() Get the underlying data object to this event wrapper.
EventBean	getUnderlyingFullOrDelta() Returns wrapped event
java.lang.Object	getVersionedValue(RevisionGetterParameters parameters) Returns a versioned value.
boolean	isLatest() Returns flag indicated latest or not.
void	setKey(java.lang.Object key) Sets the key.
void	setLastBaseEvent(EventBean lastBaseEvent) Sets last base event.
void	setLatest(boolean latest) Sets flag indicating latest or not.
void	setOverlay(NullableObject<java.lang.Object>[] overlay) Sets merged values.

Methods inherited from class java.lang.Object

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

Constructor Detail

RevisionEventBeanMerge

public RevisionEventBeanMerge(RevisionEventType revisionEventType,
                              EventBean underlyingFull)

Ctor.

Parameters:

revisionEventType - type

underlyingFull - event wrapped

Method Detail

setOverlay

public void setOverlay(NullableObject<java.lang.Object>[] overlay)

Sets merged values.

Parameters:

overlay - merged values

isLatest

public boolean isLatest()

Returns flag indicated latest or not.

Returns:

latest flag

setLatest

public void setLatest(boolean latest)

Sets flag indicating latest or not.

Parameters:

latest - flag

getKey

public java.lang.Object getKey()

Returns the key.

Returns:

key

setKey

public void setKey(java.lang.Object key)

Sets the key.

Parameters:

key - to set

getOverlay

public java.lang.Object[] getOverlay()

Returns overlay values.

Returns:

overlay

getLastBaseEvent

public EventBean getLastBaseEvent()

Returns last base event.

Returns:

base event

setLastBaseEvent

public void setLastBaseEvent(EventBean lastBaseEvent)

Sets last base event.

Parameters:

lastBaseEvent - to set

getEventType

public EventType getEventType()

Description copied from interface: EventBean

Return the EventType instance that describes the set of properties available for this event.

Specified by:

getEventType in interface EventBean

Returns:

event type

get

public java.lang.Object get(java.lang.String property)
                     throws PropertyAccessException

Description copied from interface: EventBean

Returns the value of an event property for the given property name or property expression.

Returns null if the property value is null. Throws an exception if the expression is not valid against the event type.

The method takes a property name or property expression as a parameter. Property expressions may include indexed properties via the syntax "name[index]", mapped properties via the syntax "name('key')", nested properties via the syntax "outer.inner" or combinations thereof.

Specified by:

get in interface EventBean

Parameters:

property - - name or expression of the property whose value is to be retrieved

Returns:

the value of a property with the specified name.

Throws:

PropertyAccessException - - if there is no property of the specified name, or the property cannot be accessed

getUnderlying

public java.lang.Object getUnderlying()

Description copied from interface: EventBean

Get the underlying data object to this event wrapper.

Specified by:

getUnderlying in interface EventBean

Returns:

underlying data object, usually either a Map or a Java bean instance.

getUnderlyingFullOrDelta

public EventBean getUnderlyingFullOrDelta()

Returns wrapped event

Returns:

event

getBaseEventValue

public java.lang.Object getBaseEventValue(RevisionGetterParameters parameters)

Returns base event value.

Parameters:

parameters - supplies getter

Returns:

value

getVersionedValue

public java.lang.Object getVersionedValue(RevisionGetterParameters parameters)

Returns a versioned value.

Parameters:

parameters - getter and indexes

Returns:

value

getFragment

public java.lang.Object getFragment(java.lang.String propertyExpression)

Description copied from interface: EventBean

Returns event beans or array of event bean for a property name or property expression.

For use with properties whose value is itself an event or whose value can be represented as an event by the underlying event representation.

The EventType of the event bean instance(s) returned by this method can be determined by EventType.getFragmentType(String). Use EventPropertyDescriptor to obtain a list of properties that return fragments from an event type.

Returns null if the property value is null or the property value cannot be represented as a fragment by the underlying representation.

The method takes a property name or property expression as a parameter. Property expressions may include indexed properties via the syntax "name[index]", mapped properties via the syntax "name('key')", nested properties via the syntax "outer.inner" or combinations thereof.

Specified by:

getFragment in interface EventBean

Parameters:

propertyExpression - - name or expression of the property whose value is to be presented as an EventBean or array of EventBean

Returns:

the value of a property as an EventBean or array of EventBean