scheduling

Class AbstractScheduler

java.lang.Object

scheduling.AbstractScheduler

All Implemented Interfaces:

Scheduler

Direct Known Subclasses:

BtrPlaceRP, Entropy2RP, ExampleReconfigurationPlanner, FirstFitDecreased

public abstract class AbstractScheduler
extends java.lang.Object
implements Scheduler

Abstract scheduler that must be extended by implemented algorithms.

Nested Class Summary

Nested classes/interfaces inherited from interface scheduling.Scheduler

Scheduler.ComputingResult, Scheduler.SchedulerResult

Field Summary

Fields

Modifier and Type	Field and Description
protected int	id Id to serialize configuration and reconfiguration into a particular file name.
protected int	planGraphDepth The depth of the graph of the reconfiguration actions.
protected boolean	rpAborted Indicates if the reconfiguration plan has been aborted

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractScheduler() Constructor initializing fields and creating the source configuration regarding xHosts.

Method Summary

Modifier and Type	Method and Description
protected abstract void	applyReconfigurationPlan() Applies the reconfiguration plan from source model to dest model.
Scheduler.SchedulerResult	checkAndReconfigure(java.util.Collection<XHost> hostsToCheck) Core implementation
protected java.util.Collection<XVM>	getMigratingVMs()
protected boolean	ongoingMigrations() Indicates if there are still some ongoing migrations.
void	relocateVM(java.lang.String vmName, java.lang.String sourceName, java.lang.String destName) Relocates a VM.

Methods inherited from class java.lang.Object

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

Methods inherited from interface scheduling.Scheduler

computeReconfigurationPlan

Field Detail

rpAborted

protected boolean rpAborted

Indicates if the reconfiguration plan has been aborted

planGraphDepth

protected int planGraphDepth

The depth of the graph of the reconfiguration actions.

id

protected int id

Id to serialize configuration and reconfiguration into a particular file name.

Constructor Detail

AbstractScheduler

protected AbstractScheduler()

Constructor initializing fields and creating the source configuration regarding xHosts.

Method Detail

applyReconfigurationPlan

protected abstract void applyReconfigurationPlan()

Applies the reconfiguration plan from source model to dest model.

ongoingMigrations

protected boolean ongoingMigrations()

Indicates if there are still some ongoing migrations.

Returns:

true or false

getMigratingVMs

protected java.util.Collection<XVM> getMigratingVMs()

checkAndReconfigure

public Scheduler.SchedulerResult checkAndReconfigure(java.util.Collection<XHost> hostsToCheck)

Core implementation

Specified by:

checkAndReconfigure in interface Scheduler

Parameters:

hostsToCheck - The XHost to check for violations

Returns:

A SchedulerResult representing the success or failure of the algorithm loop

relocateVM

public void relocateVM(java.lang.String vmName,
                       java.lang.String sourceName,
                       java.lang.String destName)

Relocates a VM.

Parameters:

vmName - vm name

sourceName - source configuration name

destName - destination configuration name