org.gridbus.broker.gatekeeper
Class Gatekeeper

java.lang.Object
  org.gridbus.broker.gatekeeper.Gatekeeper

public class Gatekeeper

extends java.lang.Object

This class contains methods to generate compute server lists by discovering the server state

Author:

Srikumar Venugopal (srikumar@cs.mu.oz.au)

Constructor Summary

Gatekeeper()
Constructor for the gatekeeper class

Gatekeeper(GridbusFarmingEngine fe)
Constructor for the gatekeeper class

Method Summary

void	generateComputeServerList(java.util.Collection hostList) Generates a compute server list from the hostlist collection
void	generateComputeServerList(java.lang.Object o) This class is a wrapper class which calls the appropriate method to generate the list of compute servers.
void	generateComputeServerList(java.lang.String gkprFile) Generates the compute server list from the gatekeeper file
java.util.Vector	getComputeServerList() Returns the list of compute servers

Methods inherited from class java.lang.Object

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

Constructor Detail

Gatekeeper

public Gatekeeper()

Constructor for the gatekeeper class

Gatekeeper

public Gatekeeper(GridbusFarmingEngine fe)

Constructor for the gatekeeper class

Parameters:

fe - (farming engine)

Method Detail

getComputeServerList

public java.util.Vector getComputeServerList()

Returns the list of compute servers

Returns:

List of computer servers

generateComputeServerList

public void generateComputeServerList(java.lang.Object o)
                               throws java.lang.Throwable

This class is a wrapper class which calls the appropriate method to generate the list of compute servers. It can either be the name of the file or a list of hosts implemented as a Collection

Parameters:

o -

Throws:

java.lang.Throwable

generateComputeServerList

public void generateComputeServerList(java.lang.String gkprFile)
                               throws java.lang.Exception

Generates the compute server list from the gatekeeper file

Parameters:

gkprFile - : name of the gatekeeper file

Throws:

java.lang.Exception

generateComputeServerList

public void generateComputeServerList(java.util.Collection hostList)
                               throws java.lang.Exception

Generates a compute server list from the hostlist collection

Parameters:

hostList -

Throws:

java.lang.Exception