edu.iu.harp.worker

Class Workers

java.lang.Object

edu.iu.harp.worker.Nodes

edu.iu.harp.worker.Workers

public class Workers
extends Nodes

The information of the workers. Not modifiable from outside. Workers: 0... Self, Next, ... Max Master/Slave Master: 0 Slave: else

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Workers.WorkerInfoIterator The iterator class of WorkerInfo.
class	Workers.WorkerInfoList The iterable list of WorkerInfo.

Constructor Summary

Constructors

Constructor and Description
Workers()
Workers(java.io.BufferedReader reader, int selfid) Initialization the workers.
Workers(int selfID)

Method Summary

Modifier and Type	Method and Description
int	getMasterID() Get the ID of the master
WorkerInfo	getMasterInfo() Get the WorkerInfo of the master
int	getMaxID() Get the maximum ID among all the workers
int	getMiddleID() Get the middle ID among all the workers
int	getMinID() Get the minimum ID among all the workers
int	getNextID() Get the next ID of this worker
WorkerInfo	getNextInfo() Get the WorkerInfo of the next worker
int	getNumWorkers() Get the number of the workers
int	getSelfID() Get the ID of this worker
WorkerInfo	getSelfInfo() Get the WorkerInfo of this worker
WorkerInfo	getWorkerInfo(int workerID) Get the WorkerInfo of the worker
Workers.WorkerInfoList	getWorkerInfoList() Get the iterable class of the WorkerInfos
boolean	isMaster() Check if this is the master or not
boolean	isMax() Check if the ID of this worker is the maximum among all the workers
boolean	isSelfInWorker() Check if this worker is in the Workers
boolean	isTheOnlyWorker() Check if this is the only worker or not

Methods inherited from class edu.iu.harp.worker.Nodes

getNodeList, getNodes, getNumPhysicalNodes, getRackList, printToNodesFile, sortRacks

Methods inherited from class java.lang.Object

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

Constructor Detail

Workers

public Workers()
        throws java.lang.Exception

Throws:

java.lang.Exception

Workers

public Workers(int selfID)
        throws java.lang.Exception

Throws:

java.lang.Exception

Workers

public Workers(java.io.BufferedReader reader,
               int selfid)
        throws java.lang.Exception

Initialization the workers. Assign IDs to workers; Master is the worker with ID 0;

Parameters:

reader - the BufferedReader

selfid - this worker's id

Throws:

java.lang.Exception

Method Detail

getNumWorkers

public int getNumWorkers()

Get the number of the workers

Returns:

isTheOnlyWorker

public boolean isTheOnlyWorker()

Check if this is the only worker or not

Returns:

true if this is the only worker, false otherwise

getMasterID

public int getMasterID()

Get the ID of the master

Returns:

the ID of the master

isMaster

public boolean isMaster()

Check if this is the master or not

Returns:

true if this is the master, false otherwise

getMasterInfo

public WorkerInfo getMasterInfo()

Get the WorkerInfo of the master

Returns:

the WorkerInfo of the master

getSelfID

public int getSelfID()

Get the ID of this worker

Returns:

the ID of this worker

isSelfInWorker

public boolean isSelfInWorker()

Check if this worker is in the Workers

Returns:

true if this worker is in the workers, false otherwise

getSelfInfo

public WorkerInfo getSelfInfo()

Get the WorkerInfo of this worker

Returns:

the WorkerInfo of this worker

isMax

public boolean isMax()

Check if the ID of this worker is the maximum among all the workers

Returns:

true if yes, false otherwise

getMinID

public int getMinID()

Get the minimum ID among all the workers

Returns:

the minimum ID

getMiddleID

public int getMiddleID()

Get the middle ID among all the workers

Returns:

the middle ID

getMaxID

public int getMaxID()

Get the maximum ID among all the workers

Returns:

the maximum ID

getNextID

public int getNextID()

Get the next ID of this worker

Returns:

the next ID

getNextInfo

public WorkerInfo getNextInfo()

Get the WorkerInfo of the next worker

Returns:

the WorkerInfo of the next worker

getWorkerInfo

public WorkerInfo getWorkerInfo(int workerID)

Get the WorkerInfo of the worker

Parameters:

workerID - the worker

Returns:

the WorkerInfo of the worker

getWorkerInfoList

public Workers.WorkerInfoList getWorkerInfoList()

Get the iterable class of the WorkerInfos

Returns:

the iterable class of the WorkerInfos