tachyon.master

Class MasterWorkerInfo

java.lang.Object

tachyon.master.MasterWorkerInfo

public class MasterWorkerInfo
extends Object

The structure to store a worker's information in master node.

Field Summary

Fields

Modifier and Type	Field and Description
NetAddress	mWorkerAddress Worker's address

Constructor Summary

Constructors

Constructor and Description
MasterWorkerInfo(long id, NetAddress address, long capacityBytes)

Method Summary

Methods

Modifier and Type	Method and Description
ClientWorkerInfo	generateClientWorkerInfo()
NetAddress	getAddress()
long	getAvailableBytes()
Set<Long>	getBlocks()
long	getCapacityBytes()
long	getId()
long	getLastUpdatedTimeMs()
List<Long>	getToRemovedBlocks()
long	getUsedBytes()
String	toString()
void	updateBlock(boolean add, long blockId) Adds or removes a block from the worker
void	updateBlocks(boolean add, Collection<Long> blockIds) Adds or removes blocks from the worker
void	updateLastUpdatedTimeMs() Updates the last updated time of the worker in ms
void	updateToRemovedBlock(boolean add, long blockId) Adds or removes a block from the to-be-removed blocks set of the worker.
void	updateToRemovedBlocks(boolean add, Collection<Long> blockIds) Adds or removes blocks from the to-be-removed blocks set of the worker.
void	updateUsedBytes(long usedBytes) Set the used space of the worker in bytes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

mWorkerAddress

public final NetAddress mWorkerAddress

Worker's address

Constructor Detail

MasterWorkerInfo

public MasterWorkerInfo(long id,
                NetAddress address,
                long capacityBytes)

Method Detail

generateClientWorkerInfo

public ClientWorkerInfo generateClientWorkerInfo()

Returns:

Generated ClientWorkerInfo for this worker

getAddress

public NetAddress getAddress()

Returns:

the worker's address.

getAvailableBytes

public long getAvailableBytes()

Returns:

the available space of the worker in bytes

getBlocks

public Set<Long> getBlocks()

Returns:

IDs of all blocks the worker contains.

getCapacityBytes

public long getCapacityBytes()

Returns:

the capacity of the worker in bytes

getId

public long getId()

Returns:

the ID of the worker

getLastUpdatedTimeMs

public long getLastUpdatedTimeMs()

Returns:

the last updated time of the worker in ms.

getToRemovedBlocks

public List<Long> getToRemovedBlocks()

Returns:

IDs of blocks the worker should remove

getUsedBytes

public long getUsedBytes()

Returns:

used space of the worker in bytes

toString

public String toString()

Overrides:

toString in class Object

updateBlock

public void updateBlock(boolean add,
               long blockId)

Adds or removes a block from the worker

Parameters:

add - true if to add, to remove otherwise.

blockId - the ID of the block to be added or removed

updateBlocks

public void updateBlocks(boolean add,
                Collection<Long> blockIds)

Adds or removes blocks from the worker

Parameters:

add - true if to add, to remove otherwise.

blockIds - IDs of the blocks to be added or removed

updateLastUpdatedTimeMs

public void updateLastUpdatedTimeMs()

Updates the last updated time of the worker in ms

updateToRemovedBlock

public void updateToRemovedBlock(boolean add,
                        long blockId)

Adds or removes a block from the to-be-removed blocks set of the worker.

Parameters:

add - true if to add, to remove otherwise.

blockId - the ID of the block to be added or removed

updateToRemovedBlocks

public void updateToRemovedBlocks(boolean add,
                         Collection<Long> blockIds)

Adds or removes blocks from the to-be-removed blocks set of the worker.

Parameters:

add - true if to add, to remove otherwise.

blockIds - IDs of blocks to be added or removed

updateUsedBytes

public void updateUsedBytes(long usedBytes)

Set the used space of the worker in bytes.

Parameters:

usedBytes - the used space in bytes