Package edu.isi.pegasus.planner.selector.site.heft

Class HeftBag

java.lang.Object
edu.isi.pegasus.planner.selector.site.heft.HeftBag
All Implemented Interfaces:
edu.isi.pegasus.planner.partitioner.graph.Bag
public class HeftBag extends Object implements edu.isi.pegasus.planner.partitioner.graph.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:
$Revision$
Author:
Karan Vahi

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    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.
    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.
    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.
    static final Integer
    DOWNWARD_RANK
    The constant to be passed to the accessor functions to get or set the downward rank for a node.
    static final 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 final Integer
    SCHEDULED_SITE
    The site where the job is scheduled.
    static final Integer
    UPWARD_RANK
    The constant to be passed to the accessor functions to get or set the upward rank for a node.

  • Constructor Summary

    Constructors
    Constructor
    Description
    HeftBag()
    The default constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    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 Details

    • 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 Details

    • HeftBag

      public HeftBag()
      The default constructor.

  • Method Details

    • 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 edu.isi.pegasus.planner.partitioner.graph.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 edu.isi.pegasus.planner.partitioner.graph.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 edu.isi.pegasus.planner.partitioner.graph.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