Random (PEGASUS)

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:

$Revision$

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

Constructors
Constructor Description

Random()
The default constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.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, java.util.List sites)`	Maps a job in the workflow to an execution site.
`private java.lang.String`	`selectRandomSite(java.util.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 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,
                   java.util.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 java.lang.String description()
```
    Returns a brief description of the site selection technique being used.
    
    Returns:
    
    String
  - selectRandomSite
```
private java.lang.String selectRandomSite(java.util.List sites)
```
    The random selection that selects randomly one of the records returned by the transformation catalog.
    
    Parameters:
    
    sites - List of Stringobjects.
    
    Returns:
    
    String