Package com.opencqrs.framework.eventhandler.partitioning

Class PerConfigurableLevelSubjectEventSequenceResolver

java.lang.Object

com.opencqrs.framework.eventhandler.partitioning.PerConfigurableLevelSubjectEventSequenceResolver

All Implemented Interfaces:

EventSequenceResolver<Object>, EventSequenceResolver.ForRawEvent

public class PerConfigurableLevelSubjectEventSequenceResolver
extends Object
implements EventSequenceResolver.ForRawEvent

EventSequenceResolver.ForRawEvent implementation which reduced the Event.subject() path and reduces it to a configurable level, i.e. reducing /book/4711/pages/42 to /book/4711 with level 2.

Nested Class Summary

Nested classes/interfaces inherited from interface com.opencqrs.framework.eventhandler.partitioning.EventSequenceResolver

EventSequenceResolver.ForObjectAndMetaDataAndRawEvent<E>, EventSequenceResolver.ForRawEvent

Constructor Summary

Constructors

Constructor	Description
PerConfigurableLevelSubjectEventSequenceResolver(int keepLevels)

Method Summary

Modifier and Type	Method	Description
int	getKeepLevels()
String	sequenceIdFor(Event rawEvent)	Determines the sequence identifier from a raw Event.

Methods inherited from class java.lang.Object

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

Constructor Details

PerConfigurableLevelSubjectEventSequenceResolver

public PerConfigurableLevelSubjectEventSequenceResolver(int keepLevels)

Method Details

getKeepLevels

public int getKeepLevels()

sequenceIdFor

public String sequenceIdFor(Event rawEvent)

Description copied from interface: EventSequenceResolver.ForRawEvent

Determines the sequence identifier from a raw Event.

Specified by:

sequenceIdFor in interface EventSequenceResolver.ForRawEvent

Parameters:

rawEvent - the raw event

Returns:

the event's sequence identifier