Module datarush.library

Package com.pervasive.datarush.ports.physical

Class OutputSnapshot

java.lang.Object

com.pervasive.datarush.ports.physical.PortSnapshot

com.pervasive.datarush.ports.physical.OutputSnapshot

All Implemented Interfaces:

OutputStatistics, PortStatistics, Serializable

public class OutputSnapshot
extends PortSnapshot
implements OutputStatistics

A snapshot of run-time statistics for an output port.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
OutputSnapshot(OutputStatistics stats)	Creates a snapshot of output statistics.

Method Summary

Modifier and Type	Method	Description
long	getMaxBatchCount()	Gets the highest number of batches ever held in the dataflow queue.
long	getMaxTokenCount()	Gets the highest number of tokens ever held in the dataflow queue.
OutputSnapshot	getSnapshot()	Gets a snapshot of the current statistics.

Methods inherited from class com.pervasive.datarush.ports.physical.PortSnapshot

asSnapshots, getBatchCount, getDataDuration, getEODInstant, getFirstBatchInstant, getName, getState, getTokenCount, getType, getWaitCount, getWaitDuration

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.pervasive.datarush.ports.physical.PortStatistics

getBatchCount, getDataDuration, getEODInstant, getFirstBatchInstant, getName, getState, getTokenCount, getType, getWaitCount, getWaitDuration

Constructor Details

OutputSnapshot

public OutputSnapshot(OutputStatistics stats)

Creates a snapshot of output statistics.

Parameters:

stats - the live statistics to capture

Method Details

getMaxBatchCount

public long getMaxBatchCount()

Gets the highest number of batches ever held in the dataflow queue. This is only applicable to output ports.

Specified by:

getMaxBatchCount in interface OutputStatistics

Returns:

the largest observed size of the queue, in batches

getMaxTokenCount

public long getMaxTokenCount()

Gets the highest number of tokens ever held in the dataflow queue. This is only applicable to output ports.

Specified by:

getMaxTokenCount in interface OutputStatistics

Returns:

the largest observed size of the queue, in tokens

getSnapshot

public OutputSnapshot getSnapshot()

Description copied from interface: PortStatistics

Gets a snapshot of the current statistics.

Specified by:

getSnapshot in interface OutputStatistics

Specified by:

getSnapshot in interface PortStatistics

Returns:

an immutable copy of the statistics