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

Class RefreshVolumeUsageCommandHandler

java.lang.Object

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

All Implemented Interfaces:

CommandHandler

public class RefreshVolumeUsageCommandHandler
extends Object
implements CommandHandler

Command handler to refresh usage info of all volumes.

Constructor Summary

Constructors

Constructor	Description
RefreshVolumeUsageCommandHandler()

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

RefreshVolumeUsageCommandHandler

public RefreshVolumeUsageCommandHandler()

Method Details

handle

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

Description copied from interface: CommandHandler

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()

Description copied from interface: CommandHandler

Returns the command type that this command handler handles.

Specified by:

getCommandType in interface CommandHandler

Returns:

Type

getInvocationCount

public int getInvocationCount()

Description copied from interface: CommandHandler

Returns number of times this handler has been invoked.

Specified by:

getInvocationCount in interface CommandHandler

Returns:

int

getAverageRunTime

public long getAverageRunTime()

Description copied from interface: CommandHandler

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.