org.apache.flink.runtime.checkpoint.stats

Class SimpleCheckpointStatsTracker

java.lang.Object

org.apache.flink.runtime.checkpoint.stats.SimpleCheckpointStatsTracker

All Implemented Interfaces:

CheckpointStatsTracker

public class SimpleCheckpointStatsTracker
extends Object
implements CheckpointStatsTracker

A simple checkpoint stats tracker.

Constructor Summary

Constructors

Constructor and Description
SimpleCheckpointStatsTracker(int historySize, List<ExecutionJobVertex> tasksToWaitFor, org.apache.flink.metrics.MetricGroup metrics)

Method Summary

Modifier and Type	Method and Description
scala.Option<JobCheckpointStats>	getJobStats() Returns a snapshot of the checkpoint statistics for a job.
scala.Option<OperatorCheckpointStats>	getOperatorStats(JobVertexID operatorId) Returns a snapshot of the checkpoint statistics for an operator.
void	onCompletedCheckpoint(CompletedCheckpoint checkpoint) Callback on a completed checkpoint.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCheckpointStatsTracker

public SimpleCheckpointStatsTracker(int historySize,
                                    List<ExecutionJobVertex> tasksToWaitFor,
                                    org.apache.flink.metrics.MetricGroup metrics)

Method Detail

onCompletedCheckpoint

public void onCompletedCheckpoint(CompletedCheckpoint checkpoint)

Description copied from interface: CheckpointStatsTracker

Callback on a completed checkpoint.

Specified by:

onCompletedCheckpoint in interface CheckpointStatsTracker

Parameters:

checkpoint - The completed checkpoint.

getJobStats

public scala.Option<JobCheckpointStats> getJobStats()

Description copied from interface: CheckpointStatsTracker

Returns a snapshot of the checkpoint statistics for a job.

Specified by:

getJobStats in interface CheckpointStatsTracker

Returns:

Checkpoints stats for the job.

getOperatorStats

public scala.Option<OperatorCheckpointStats> getOperatorStats(JobVertexID operatorId)

Description copied from interface: CheckpointStatsTracker

Returns a snapshot of the checkpoint statistics for an operator.

Specified by:

getOperatorStats in interface CheckpointStatsTracker

Parameters:

operatorId - The operator ID to gather the stats for.

Returns:

Checkpoint stats for the operator.