Package org.apache.hadoop.hbase.security.access

Class RegionServerReadOnlyController

java.lang.Object

org.apache.hadoop.hbase.security.access.AbstractReadOnlyController

org.apache.hadoop.hbase.security.access.RegionServerReadOnlyController

All Implemented Interfaces:

Coprocessor, RegionServerCoprocessor, RegionServerObserver

@LimitedPrivate("Configuration")
public class RegionServerReadOnlyController
extends AbstractReadOnlyController
implements RegionServerObserver, RegionServerCoprocessor

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	Description
RegionServerReadOnlyController()

Method Summary

Modifier and Type	Method	Description
Optional<RegionServerObserver>	getRegionServerObserver()
void	preReplicateLogEntries(ObserverContext<RegionServerCoprocessorEnvironment> ctx)	This will be called before executing replication request to shipping log entries.
void	preReplicationSinkBatchMutate(ObserverContext<RegionServerCoprocessorEnvironment> ctx, org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry walEntry, Mutation mutation)	This will be called before replication sink mutations are executed on the sink table as part of batch call.
void	preRollWALWriterRequest(ObserverContext<RegionServerCoprocessorEnvironment> ctx)	This will be called before executing user request to roll a region server WAL.

Methods inherited from class org.apache.hadoop.hbase.security.access.AbstractReadOnlyController

internalReadOnlyGuard, isWritableInReadOnlyMode, isWritableInReadOnlyMode, manageActiveClusterIdFile, start, stop

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, start, stop

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

postClearCompactionQueues, postClearRegionBlockCache, postCreateReplicationEndPoint, postExecuteProcedures, postReplicateLogEntries, postReplicationSinkBatchMutate, postRollWALWriterRequest, postUpdateRegionServerConfiguration, preClearCompactionQueues, preClearRegionBlockCache, preExecuteProcedures, preStopRegionServer, preUpdateRegionServerConfiguration

Constructor Details

RegionServerReadOnlyController

public RegionServerReadOnlyController()

Method Details

getRegionServerObserver

public Optional<RegionServerObserver> getRegionServerObserver()

Specified by:

getRegionServerObserver in interface RegionServerCoprocessor

preRollWALWriterRequest

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

Description copied from interface: RegionServerObserver

This will be called before executing user request to roll a region server WAL.

Specified by:

preRollWALWriterRequest in interface RegionServerObserver

Parameters:

ctx - the environment to interact with the framework and region server.

Throws:

IOException

preReplicationSinkBatchMutate

public void preReplicationSinkBatchMutate(ObserverContext<RegionServerCoprocessorEnvironment> ctx,
 org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry walEntry,
 Mutation mutation)
                                   throws IOException

Description copied from interface: RegionServerObserver

This will be called before replication sink mutations are executed on the sink table as part of batch call.

Specified by:

preReplicationSinkBatchMutate in interface RegionServerObserver

Parameters:

ctx - the environment to interact with the framework and region server.

walEntry - wal entry from which mutation is formed.

mutation - mutation to be applied at sink cluster.

Throws:

IOException - if something goes wrong.

preReplicateLogEntries

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

Description copied from interface: RegionServerObserver

This will be called before executing replication request to shipping log entries.

Specified by:

preReplicateLogEntries in interface RegionServerObserver

Parameters:

ctx - the environment to interact with the framework and region server.

Throws:

IOException