Package com.slave.application.services

Class SlaveServiceImpl

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

com.slave.application.services.SlaveServiceImpl

All Implemented Interfaces:

SlaveService, Serializable, Remote

Direct Known Subclasses:

Slave

public class SlaveServiceImpl
extends UnicastRemoteObject
implements SlaveService

Slave Service Implementation

This class implements the remote interface methods.

Version:

1.0

Author:

Bruno Guiomar

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private String	distribution
private OperatingSystemMXBean	operatingSystemMXBean
private String	problemCode
private String	slaveAddress

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

Constructors

Constructor	Description
SlaveServiceImpl(String slaveAddress)	Class Constructor

Method Summary

Modifier and Type	Method	Description
boolean	checkStatus()	Checks the status of a connected DECS-Slave instance
SystemInformation	getSystemInformation()	Retrieves the system information of the slave instance
boolean	setupProblemEnvironment(ArrayList<JobFile> jobFiles, String problemCode, String distribution)	Sets up the execution environment in the Slave instance
boolean	startInference(String problemCode)	Starts the inference process on each connected slave
boolean	stopInference()	Stops the inference process on each connected slave

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

distribution

private String distribution

problemCode

private String problemCode

operatingSystemMXBean

private OperatingSystemMXBean operatingSystemMXBean

slaveAddress

private String slaveAddress

Constructor Details

SlaveServiceImpl

public SlaveServiceImpl(String slaveAddress)
                 throws RemoteException

Class Constructor

Parameters:

slaveAddress - Slave network address (IP)

Throws:

RemoteException - If the slave instance cannot be reached or any communication error is raised.

Method Details

checkStatus

public boolean checkStatus()

Description copied from interface: SlaveService

Checks the status of a connected DECS-Slave instance

Specified by:

checkStatus in interface SlaveService

Returns:

Liveliness of the node

getSystemInformation

public SystemInformation getSystemInformation()

Description copied from interface: SlaveService

Retrieves the system information of the slave instance

Specified by:

getSystemInformation in interface SlaveService

Returns:

System information object

setupProblemEnvironment

public boolean setupProblemEnvironment(ArrayList<JobFile> jobFiles,
 String problemCode,
 String distribution)

Description copied from interface: SlaveService

Sets up the execution environment in the Slave instance

Specified by:

setupProblemEnvironment in interface SlaveService

Parameters:

jobFiles - List of the files to be transfered

problemCode - Problem short code

distribution - Problem distribution type

Returns:

Status of the operation

startInference

public boolean startInference(String problemCode)

Description copied from interface: SlaveService

Starts the inference process on each connected slave

Specified by:

startInference in interface SlaveService

Parameters:

problemCode - Problem short code

Returns:

Status of the operation

stopInference

public boolean stopInference()

Description copied from interface: SlaveService

Stops the inference process on each connected slave

Specified by:

stopInference in interface SlaveService

Returns:

Status of the operation