goofs

Class ControllerCEntry

java.lang.Object

goofs.ControllerCEntry

public class ControllerCEntry
extends java.lang.Object

Entry in controller map describing the servers that replicate a given chunk.

Author:

Elliott Forney

Constructor Summary

Constructors

Constructor and Description
ControllerCEntry(ChunkDescriptor chunkDesc, HostID cs) Create a new chunk entry for a given chunk descriptor.

Method Summary

Modifier and Type	Method and Description
void	addChunkServer(HostID cs) Add a new chunkserver that is now replicating this chunk.
void	delChunkServer(HostID cs) Remove a chunkserver from the list of chunkservers currently replicating this chunk.
HostID[]	getChunkServers() Get chunkservers currently replicating this chunk.
ChunkDescriptor	getDescriptor()
int	getNumChunkServers() Get the number of chunkservers currently replicating this chunk.
void	setChunkServers(HostID[] cs) Set the list of chunkservers currently replicating this chunk.
java.lang.String	toString()
void	touch(HostID cs)

Methods inherited from class java.lang.Object

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

Constructor Detail

ControllerCEntry

public ControllerCEntry(ChunkDescriptor chunkDesc,
                        HostID cs)

Create a new chunk entry for a given chunk descriptor.

Method Detail

getDescriptor

public ChunkDescriptor getDescriptor()

getChunkServers

public HostID[] getChunkServers()

Get chunkservers currently replicating this chunk.

Returns:

An array of id's for hosts currently replicating this chunk.

getNumChunkServers

public int getNumChunkServers()

Get the number of chunkservers currently replicating this chunk.

Returns:

The number of chunkservers currently replicating this chunk.

touch

public void touch(HostID cs)

addChunkServer

public void addChunkServer(HostID cs)

Add a new chunkserver that is now replicating this chunk.

Parameters:

cs - A chunkserver that is now replicating this chunk.

delChunkServer

public void delChunkServer(HostID cs)

Remove a chunkserver from the list of chunkservers currently replicating this chunk.

Parameters:

cs - The id of the chunkserver to remove.

setChunkServers

public void setChunkServers(HostID[] cs)

Set the list of chunkservers currently replicating this chunk.

Parameters:

cs - List of chunkservers currently replicating this chunk.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object