edu.isi.pegasus.planner.selector.site
Class Random

java.lang.Object
  edu.isi.pegasus.planner.selector.site.Abstract
      edu.isi.pegasus.planner.selector.site.AbstractPerJob
          edu.isi.pegasus.planner.selector.site.Random

All Implemented Interfaces:

SiteSelector

public class Random
extends AbstractPerJob

A random site selector that maps to a job to a random pool, amongst the subset of pools where that particular job can be executed.

Version:

$Revision: 2590 $

Author:

Karan Vahi

Field Summary

Fields inherited from class edu.isi.pegasus.planner.selector.site.Abstract

mBag, mLogger, mProps, mSiteStore, mTCMapper

Fields inherited from interface edu.isi.pegasus.planner.selector.SiteSelector

SITE_NOT_FOUND, VERSION

Constructor Summary

Random()
The default constructor.

Method Summary

String	description() Returns a brief description of the site selection technique being used.
void	initialize(PegasusBag bag) Initializes the site selector.
void	mapJob(Job job, List sites) Maps a job in the workflow to an execution site.
private String	selectRandomSite(List sites) The random selection that selects randomly one of the records returned by the transformation catalog.

Methods inherited from class edu.isi.pegasus.planner.selector.site.AbstractPerJob

mapWorkflow

Methods inherited from class edu.isi.pegasus.planner.selector.site.Abstract

mapWorkflow

Methods inherited from class java.lang.Object

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

Constructor Detail

Random

public Random()

The default constructor. Should not be called. Call the overloaded one.

Method Detail

initialize

public void initialize(PegasusBag bag)

Initializes the site selector.

Specified by:

initialize in interface SiteSelector

Overrides:

initialize in class Abstract

Parameters:

bag - the bag of objects that is useful for initialization.

mapJob

public void mapJob(Job job,
                   List sites)

Maps a job in the workflow to an execution site.

Specified by:

mapJob in class AbstractPerJob

Parameters:

job - the job to be mapped.

sites - the list of String objects representing the execution sites that can be used.

description

public String description()

Returns a brief description of the site selection technique being used.

Returns:

String

selectRandomSite

private String selectRandomSite(List sites)

The random selection that selects randomly one of the records returned by the transformation catalog.

Parameters:

sites - List of Stringobjects.

Returns:

String