org.apache.hadoop.hbase.coprocessor

Class TestCoprocessorMetrics.CustomRegionServerObserver

java.lang.Object

org.apache.hadoop.hbase.coprocessor.TestCoprocessorMetrics.CustomRegionServerObserver

All Implemented Interfaces:

Coprocessor, RegionServerCoprocessor, RegionServerObserver

Enclosing class:

TestCoprocessorMetrics

public static class TestCoprocessorMetrics.CustomRegionServerObserver
extends Object
implements RegionServerCoprocessor, RegionServerObserver

RegionServerObserver that has a Counter for rollWAL requests.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.Coprocessor

Coprocessor.State

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.Coprocessor

PRIORITY_HIGHEST, PRIORITY_LOWEST, PRIORITY_SYSTEM, PRIORITY_USER, VERSION

Constructor Summary

Constructors

Constructor and Description
CustomRegionServerObserver()

Method Summary

Modifier and Type	Method and Description
Optional<RegionServerObserver>	getRegionServerObserver()
void	postRollWALWriterRequest(ObserverContext<RegionServerCoprocessorEnvironment> ctx)
void	start(CoprocessorEnvironment env)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.Coprocessor

getServices, stop

Methods inherited from interface org.apache.hadoop.hbase.coprocessor.RegionServerObserver

postClearCompactionQueues, postCreateReplicationEndPoint, postExecuteProcedures, postReplicateLogEntries, preClearCompactionQueues, preExecuteProcedures, preReplicateLogEntries, preRollWALWriterRequest, preStopRegionServer

Constructor Detail

CustomRegionServerObserver

public CustomRegionServerObserver()

Method Detail

getRegionServerObserver

public Optional<RegionServerObserver> getRegionServerObserver()

Specified by:

getRegionServerObserver in interface RegionServerCoprocessor

postRollWALWriterRequest

public void postRollWALWriterRequest(ObserverContext<RegionServerCoprocessorEnvironment> ctx)
                              throws IOException

Specified by:

postRollWALWriterRequest in interface RegionServerObserver

Throws:

IOException

start

public void start(CoprocessorEnvironment env)
           throws IOException

Specified by:

start in interface Coprocessor

Throws:

IOException