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java.lang.Objectlbg.peer.workflow.TemporalTasksGrouping
public class TemporalTasksGrouping
Implementation of the TemporalTasksGrouping heuristic, ordering Tasks of a Bag Of Tasks as sets of Tasks sharing the same input data.
Constructor Summary | |
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TemporalTasksGrouping()
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Method Summary | |
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static boolean |
areDataEqual(MetaGridData[] ds1,
MetaGridData[] ds2)
Data-Equality test between target Tasks data sets. |
static long |
distance(MetaGridData[] ds1,
MetaGridData[] ds2)
Distance between target Tasks data sets, defined as the Storage Affinity of ds2 relative to ds1. |
Task[] |
groupTasks(Task[] tasks)
Reorders a given set of Tasks with the TemporalTasksGrouping heuristic. |
Task[] |
groupTasksWithSingleData(Task[] tasks)
Deprecated. |
java.lang.String |
toString()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public TemporalTasksGrouping() throws GridException
GridException
Method Detail |
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public java.lang.String toString()
toString
in class java.lang.Object
@Deprecated public Task[] groupTasksWithSingleData(Task[] tasks) throws GridException
Precondition: only 1 data per Task
Note: groupTasksWithSingleData() updates the ordering inside target Tasks array.
GridException
public Task[] groupTasks(Task[] tasks) throws GridException
Note: groupTasks() updates the ordering inside target Tasks array.
GridException
public static boolean areDataEqual(MetaGridData[] ds1, MetaGridData[] ds2) throws GridException
ds1
- 1st target data setds2
- 2nd target data set
GridException
- if a parameter is illegalpublic static long distance(MetaGridData[] ds1, MetaGridData[] ds2) throws GridException
Note: distance(ds1,ds2) is usually not equal to distance(ds2,ds1)
GridException
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Copyright (c) 2005-2008, Cyril Briquet, parts Xavier Dalem.