executing
Class MapperSideExecuter

java.lang.Object
  executing.MapperSideExecuter

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

MapperSideExecuter_BuiltIn, MapperSideExecuter_Xgrid

public abstract class MapperSideExecuter
extends java.lang.Object
implements java.io.Serializable

This abstract class defines the services that should be implemented in a class that will be part of the execution layer on the Mapper side.

Author:

Majd Kokaly

See Also:

Serialized Form

Field Summary

static int

NOT_IMPLEMENTED This constant is returned when a method is not implemented

Constructor Summary

MapperSideExecuter()

Method Summary

abstract long	deleteJob(long id, java.lang.String hostname, java.lang.String password) This method deletes the job with id "id" on hostname "hostname".
abstract java.lang.String	getDateStarted(long id, java.lang.String hostname, java.lang.String password)
abstract java.lang.String	getDateStopped(long id, java.lang.String hostname, java.lang.String password)
abstract java.lang.String	getJobStatus(long id, java.lang.String hostname, java.lang.String password)
abstract double	getPercentageDone(long id, java.lang.String hostname, java.lang.String password)
abstract void	startExecuter() In this method the executer is set up.
abstract long	stopJob(long id, java.lang.String hostname, java.lang.String password) This method stops the job with id "id" on hostname "hostname"\
abstract long	submitLoopJob(java.lang.String hostName, java.lang.String password, int serverID, long jobID, long iter, double ratio) This method is used by the Mapper to submit loop jobs

Methods inherited from class java.lang.Object

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

Field Detail

NOT_IMPLEMENTED

public static final int NOT_IMPLEMENTED

This constant is returned when a method is not implemented

See Also:

Constant Field Values

Constructor Detail

MapperSideExecuter

public MapperSideExecuter()

Method Detail

startExecuter

public abstract void startExecuter()

In this method the executer is set up.

submitLoopJob

public abstract long submitLoopJob(java.lang.String hostName,
                                   java.lang.String password,
                                   int serverID,
                                   long jobID,
                                   long iter,
                                   double ratio)

This method is used by the Mapper to submit loop jobs

Parameters:

hostName -

password -

serverID -

jobID -

iter -

ratio -

Returns:

a number. Depends on the implementation.

stopJob

public abstract long stopJob(long id,
                             java.lang.String hostname,
                             java.lang.String password)

This method stops the job with id "id" on hostname "hostname"\

Parameters:

id - is job id

hostname - is the hostname of the server executing that job

password -

Returns:

NOT_IMPLEMENTED if not implemented

deleteJob

public abstract long deleteJob(long id,
                               java.lang.String hostname,
                               java.lang.String password)

This method deletes the job with id "id" on hostname "hostname".

Parameters:

id - is job id

hostname - is the hostname of the server executing that job

password -

Returns:

NOT_IMPLEMENTED if not implemented

getPercentageDone

public abstract double getPercentageDone(long id,
                                         java.lang.String hostname,
                                         java.lang.String password)

Parameters:

id - is job id

hostname - is the hostname of the server executing that job

password -

Returns:

the percentage done from job with job id "id"

getDateStarted

public abstract java.lang.String getDateStarted(long id,
                                                java.lang.String hostname,
                                                java.lang.String password)

Parameters:

id - is job id

hostname - is the hostname of the server executing that job.

password -

Returns:

the date when the job with id "id" has started.

getDateStopped

public abstract java.lang.String getDateStopped(long id,
                                                java.lang.String hostname,
                                                java.lang.String password)

Parameters:

id - is job id

hostname - is the hostname of the server executing that job

password -

Returns:

the date when the job with id "id" has stopped.

getJobStatus

public abstract java.lang.String getJobStatus(long id,
                                              java.lang.String hostname,
                                              java.lang.String password)

Parameters:

id - is job id

hostname - is the hostname of the server executing that job

password -

Returns:

the status of the job with id "id" (e.g. Runnung, Done)