Package org.apache.hadoop.ozone.container.common.statemachine.commandhandler

Class SetNodeOperationalStateCommandHandler

java.lang.Object

org.apache.hadoop.ozone.container.common.statemachine.commandhandler.SetNodeOperationalStateCommandHandler

All Implemented Interfaces:

CommandHandler

public class SetNodeOperationalStateCommandHandler
extends Object
implements CommandHandler

Handle the SetNodeOperationalStateCommand sent from SCM to the datanode to persist the current operational state.

Constructor Summary

Constructors

Constructor	Description
SetNodeOperationalStateCommandHandler(org.apache.hadoop.hdds.conf.ConfigurationSource conf, Consumer<org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState> replicationSupervisor)	Set Node State command handler.

Method Summary

Modifier and Type	Method	Description
long	getAverageRunTime()	Returns the average time this function takes to run.
org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type	getCommandType()	Returns the command type that this command handler handles.
int	getInvocationCount()	Returns number of times this handler has been invoked.
int	getQueuedCount()	Returns the queued command count for this handler.
long	getTotalRunTime()	Returns the total time this function takes to run.
void	handle(SCMCommand<?> command, OzoneContainer container, StateContext context, SCMConnectionManager connectionManager)	Handles a given SCM command.

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.ozone.container.common.statemachine.commandhandler.CommandHandler

getThreadPoolActivePoolSize, getThreadPoolMaxPoolSize, stop, updateCommandStatus

Constructor Details

SetNodeOperationalStateCommandHandler

public SetNodeOperationalStateCommandHandler(org.apache.hadoop.hdds.conf.ConfigurationSource conf,
 Consumer<org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState> replicationSupervisor)

Set Node State command handler.

Parameters:

conf - - Configuration for the datanode.

Method Details

handle

public void handle(SCMCommand<?> command,
 OzoneContainer container,
 StateContext context,
 SCMConnectionManager connectionManager)

Handles a given SCM command.

Specified by:

handle in interface CommandHandler

Parameters:

command - - SCM Command

container - - Ozone Container.

context - - Current Context.

connectionManager - - The SCMs that we are talking to.

getCommandType

public org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type getCommandType()

Returns the command type that this command handler handles.

Specified by:

getCommandType in interface CommandHandler

Returns:

Type

getInvocationCount

public int getInvocationCount()

Returns number of times this handler has been invoked.

Specified by:

getInvocationCount in interface CommandHandler

Returns:

int

getAverageRunTime

public long getAverageRunTime()

Returns the average time this function takes to run.

Specified by:

getAverageRunTime in interface CommandHandler

Returns:

long

getTotalRunTime

public long getTotalRunTime()

Description copied from interface: CommandHandler

Returns the total time this function takes to run.

Specified by:

getTotalRunTime in interface CommandHandler

Returns:

long

getQueuedCount

public int getQueuedCount()

Description copied from interface: CommandHandler

Returns the queued command count for this handler.

Specified by:

getQueuedCount in interface CommandHandler

Returns:

The number of queued commands inside this handler.