org.apache.nifi.controller.repository.metrics

Class RingBufferEventRepository

java.lang.Object

org.apache.nifi.controller.repository.metrics.RingBufferEventRepository

All Implemented Interfaces:

Closeable, AutoCloseable, FlowFileEventRepository

public class RingBufferEventRepository
extends Object
implements FlowFileEventRepository

Field Summary

Fields

Modifier and Type	Field and Description
private EventSumValue	aggregateValues
private ConcurrentMap<String,EventContainer>	componentEventMap
private int	numMinutes

Constructor Summary

Constructors

Constructor and Description
RingBufferEventRepository(int numMinutes)

Method Summary

Modifier and Type	Method and Description
void	close()
void	purgeTransferEvents(String componentIdentifier)
FlowFileEvent	reportAggregateEvent()
StandardRepositoryStatusReport	reportTransferEvents(long sinceEpochMillis)
FlowFileEvent	reportTransferEvents(String componentId, long now)
void	updateRepository(FlowFileEvent event, String componentId)

Methods inherited from class java.lang.Object

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

Field Detail

numMinutes

private final int numMinutes

aggregateValues

private final EventSumValue aggregateValues

componentEventMap

private final ConcurrentMap<String,EventContainer> componentEventMap

Constructor Detail

RingBufferEventRepository

public RingBufferEventRepository(int numMinutes)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

updateRepository

public void updateRepository(FlowFileEvent event,
                             String componentId)

Specified by:

updateRepository in interface FlowFileEventRepository

reportTransferEvents

public StandardRepositoryStatusReport reportTransferEvents(long sinceEpochMillis)

Specified by:

reportTransferEvents in interface FlowFileEventRepository

reportTransferEvents

public FlowFileEvent reportTransferEvents(String componentId,
                                          long now)

Specified by:

reportTransferEvents in interface FlowFileEventRepository

purgeTransferEvents

public void purgeTransferEvents(String componentIdentifier)

Specified by:

purgeTransferEvents in interface FlowFileEventRepository

reportAggregateEvent

public FlowFileEvent reportAggregateEvent()

Specified by:

reportAggregateEvent in interface FlowFileEventRepository