Package org.fcrepo.kernel.impl.observer

Class EventAccumulatorImpl

java.lang.Object

org.fcrepo.kernel.impl.observer.EventAccumulatorImpl

All Implemented Interfaces:

EventAccumulator

@Component
public class EventAccumulatorImpl
extends Object
implements EventAccumulator

Author:

pwinckles

Constructor Summary

Constructors

Constructor	Description
EventAccumulatorImpl()

Method Summary

Modifier and Type	Method	Description
void	clearEvents(Transaction transaction)	Removes all of a transaction's accumulated events without emitting them.
void	emitEvents(Transaction transaction, String baseUrl, String userAgent)	Emits all of the events that were accumulated within the transaction.
void	recordEventForOperation(Transaction transaction, FedoraId fedoraId, ResourceOperation operation)	Registers a new event to a transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventAccumulatorImpl

public EventAccumulatorImpl()

Method Detail

recordEventForOperation

public void recordEventForOperation(Transaction transaction,
                                    FedoraId fedoraId,
                                    ResourceOperation operation)

Description copied from interface: EventAccumulator

Registers a new event to a transaction.

Specified by:

recordEventForOperation in interface EventAccumulator

Parameters:

transaction - the transaction

fedoraId - the id of the affected resource

operation - the operation affecting the resource

emitEvents

public void emitEvents(Transaction transaction,
                       String baseUrl,
                       String userAgent)

Description copied from interface: EventAccumulator

Emits all of the events that were accumulated within the transaction. Multiple events affecting the same resource are combined into a single event.

This method SHOULD NOT throw an exception if an event fails to be emitted. It should always attempt to emit all events accumulated within a transaction.

Specified by:

emitEvents in interface EventAccumulator

Parameters:

transaction - the transaction

baseUrl - the baseUrl of the requests

userAgent - the user-agent of the user making the requests

clearEvents

public void clearEvents(Transaction transaction)

Description copied from interface: EventAccumulator

Removes all of a transaction's accumulated events without emitting them. This must be called when a transaction is rolled back.

Specified by:

clearEvents in interface EventAccumulator

Parameters:

transaction - the id of the transaction