org.apache.hadoop.hbase.coprocessor

Class TestCoprocessorMetrics.CustomRegionServerObserver

java.lang.Object

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

All Implemented Interfaces:

org.apache.hadoop.hbase.Coprocessor, org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionServerObserver

Enclosing class:

TestCoprocessorMetrics

public static class TestCoprocessorMetrics.CustomRegionServerObserver
extends Object
implements org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionServerObserver

RegionServerObserver that has a Counter for rollWAL requests.

Nested Class Summary

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

org.apache.hadoop.hbase.Coprocessor.State

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.hadoop.hbase.metrics.Counter	rollWALCounter This is the Counter metric object to keep track of the current count across invocations

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<org.apache.hadoop.hbase.coprocessor.RegionServerObserver>	getRegionServerObserver()
void	postRollWALWriterRequest(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment> ctx)
void	start(org.apache.hadoop.hbase.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

Field Detail

rollWALCounter

private org.apache.hadoop.hbase.metrics.Counter rollWALCounter

This is the Counter metric object to keep track of the current count across invocations

Constructor Detail

CustomRegionServerObserver

public CustomRegionServerObserver()

Method Detail

getRegionServerObserver

public Optional<org.apache.hadoop.hbase.coprocessor.RegionServerObserver> getRegionServerObserver()

Specified by:

getRegionServerObserver in interface org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor

postRollWALWriterRequest

public void postRollWALWriterRequest(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment> ctx)
                              throws IOException

Specified by:

postRollWALWriterRequest in interface org.apache.hadoop.hbase.coprocessor.RegionServerObserver

Throws:

IOException

start

public void start(org.apache.hadoop.hbase.CoprocessorEnvironment env)
           throws IOException

Specified by:

start in interface org.apache.hadoop.hbase.Coprocessor

Throws:

IOException