org.apache.hadoop.hbase.coprocessor

Interface RegionServerObserver

All Superinterfaces:

Coprocessor

All Known Implementing Classes:

AccessController

public interface RegionServerObserver
extends Coprocessor

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

Method Summary

Methods

Modifier and Type	Method and Description
void	preStopRegionServer(ObserverContext<RegionServerCoprocessorEnvironment> env) Called before stopping region server.

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

start, stop

Method Detail

preStopRegionServer

void preStopRegionServer(ObserverContext<RegionServerCoprocessorEnvironment> env)
                         throws IOException

Called before stopping region server.

Parameters:

env - An instance of RegionServerCoprocessorEnvironment

Throws:

IOException - Signals that an I/O exception has occurred.