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
 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.


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