Package 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	Description
private final EventSumValue	aggregateValues
private final ConcurrentMap<String,EventContainer>	componentEventMap
private final int	numMinutes

Constructor Summary

Constructors

Constructor	Description
RingBufferEventRepository(int numMinutes)

Method Summary

Modifier and Type	Method	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 Details

numMinutes

private final int numMinutes

aggregateValues

private final EventSumValue aggregateValues

componentEventMap

private final ConcurrentMap<String,EventContainer> componentEventMap

Constructor Details

RingBufferEventRepository

public RingBufferEventRepository(int numMinutes)

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

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