edu.isi.pegasus.planner.selector.site.heft
Class HeftBag

java.lang.Object
  edu.isi.pegasus.planner.selector.site.heft.HeftBag

All Implemented Interfaces:

Bag

public class HeftBag
extends Object
implements Bag

A data class that implements the Bag interface and stores the extra information that is required by the HEFT algorithm for each node.

Version:

$Revision: 2576 $

Author:

Karan Vahi

Field Summary

static Integer	ACTUAL_FINISH_TIME The constant to be passed to the accessor functions to get or set the actual end time for a job.
static Integer	ACTUAL_START_TIME The constant to be passed to the accessor functions to get or set the actual start time for a job.
static Integer	AVG_COMPUTE_TIME The constant to be passed to the accessor functions to get or set the average compute time for the node.
static Integer	DOWNWARD_RANK The constant to be passed to the accessor functions to get or set the downward rank for a node.
static String[]	HEFTINFO Array storing the names of the attributes that are stored with the site.
private float	mAvgComputeTime The average compute time for a node.
private float	mDownwardRank The downward rank for a node.
private long	mEndTime The estimated end time for a job.
private String	mScheduledSite The site where a job is scheduled to run.
private long	mStartTime The estimated start time for a job.
private float	mUpwardRank The upward rank for a node.
static Integer	SCHEDULED_SITE The site where the job is scheduled.
static Integer	UPWARD_RANK The constant to be passed to the accessor functions to get or set the upward rank for a node.

Constructor Summary

HeftBag()
The default constructor.

Method Summary

boolean	add(Object key, Object value) Adds an object to the underlying bag corresponding to a particular key.
boolean	containsKey(Object key) Returns true if the namespace contains a mapping for the specified key.
Object	get(Object key) Returns an objects corresponding to the key passed.
private int	getIntValue(Object key) A convenience method to get the intValue for the object passed.

Methods inherited from class java.lang.Object

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

Field Detail

HEFTINFO

public static final String[] HEFTINFO

Array storing the names of the attributes that are stored with the site.

AVG_COMPUTE_TIME

public static final Integer AVG_COMPUTE_TIME

The constant to be passed to the accessor functions to get or set the average compute time for the node.

DOWNWARD_RANK

public static final Integer DOWNWARD_RANK

The constant to be passed to the accessor functions to get or set the downward rank for a node.

UPWARD_RANK

public static final Integer UPWARD_RANK

The constant to be passed to the accessor functions to get or set the upward rank for a node.

ACTUAL_START_TIME

public static final Integer ACTUAL_START_TIME

The constant to be passed to the accessor functions to get or set the actual start time for a job.

ACTUAL_FINISH_TIME

public static final Integer ACTUAL_FINISH_TIME

The constant to be passed to the accessor functions to get or set the actual end time for a job.

SCHEDULED_SITE

public static final Integer SCHEDULED_SITE

The site where the job is scheduled.

mAvgComputeTime

private float mAvgComputeTime

The average compute time for a node.

mDownwardRank

private float mDownwardRank

The downward rank for a node.

mUpwardRank

private float mUpwardRank

The upward rank for a node.

mStartTime

private long mStartTime

The estimated start time for a job.

mEndTime

private long mEndTime

The estimated end time for a job.

mScheduledSite

private String mScheduledSite

The site where a job is scheduled to run.

Constructor Detail

HeftBag

public HeftBag()

The default constructor.

Method Detail

add

public boolean add(Object key,
                   Object value)

Adds an object to the underlying bag corresponding to a particular key.

Specified by:

add in interface Bag

Parameters:

key - the key with which the value has to be associated.

value - the value to be associated with the key.

Returns:

boolean indicating if insertion was successful.

containsKey

public boolean containsKey(Object key)

Returns true if the namespace contains a mapping for the specified key.

Specified by:

containsKey in interface Bag

Parameters:

key - The key that you want to search for in the bag.

Returns:

boolean

get

public Object get(Object key)

Returns an objects corresponding to the key passed.

Specified by:

get in interface Bag

Parameters:

key - the key corresponding to which the objects need to be returned.

Returns:

the object that is found corresponding to the key or null.

getIntValue

private int getIntValue(Object key)

A convenience method to get the intValue for the object passed.

Parameters:

key - the key to be converted

Returns:

the int value if object an integer, else -1