javax.realtime

Class SchedulingParameters

java.lang.Object

javax.realtime.SchedulingParameters

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Subsumable<SchedulingParameters>

Direct Known Subclasses:

PriorityParameters

public class SchedulingParameters
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable, Subsumable<SchedulingParameters>

Subclasses of SchedulingParameters (PriorityParameters, ImportanceParameters, and any others parameters defined for particular schedulers) provide the parameters to be used by the Scheduler. Changes to the values in a parameters object affects the scheduling behavior of all the Schedulable objects to which it is bound.

See Also:

Serialized Form

Caution: This class is explicitly unsafe for multithreading when being changed. Code that mutates instances of this class should synchronize at a higher level.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SchedulingParameters() Creates a new instance of SchedulingParameters with the default Affinity.
protected	SchedulingParameters(Affinity affinity) Creates a new instance of SchedulingParameters.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone() Creates a clone of this.
Affinity	getAffinity() Determines the affinity set instance associated of these parameters.
boolean	isCompatible(Scheduler scheduler) Determines whether this scheduling parameters can be used by tasks scheduled by scheduler.
boolean	subsumes(SchedulingParameters other) Determines whether this parameters is more eligible than another.

Methods inherited from class java.lang.Object

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

Constructor Detail

SchedulingParameters

protected SchedulingParameters(Affinity affinity)

Creates a new instance of SchedulingParameters.

Parameters:

affinity - Sets the affinity for these parameters.

Since:

RTSJ 2.0

SchedulingParameters

protected SchedulingParameters()

Creates a new instance of SchedulingParameters with the default Affinity.

Since:

RTSJ 1.0.1

Method Detail

clone

public java.lang.Object clone()

Creates a clone of this.

• The new object is in the current allocation context.
• clone does not copy any associations from this and it does not implicitly bind the new object to a schedulable.

Overrides:

clone in class java.lang.Object

Since:

RTSJ 1.0.1

isCompatible

public boolean isCompatible(Scheduler scheduler)

Determines whether this scheduling parameters can be used by tasks scheduled by scheduler.

Parameters:

scheduler - The scheduler to check against

Returns:

true when and only when this can be used with scheduler as the scheduler.

Since:

RTSJ 2.0

subsumes

public boolean subsumes(SchedulingParameters other)

Determines whether this parameters is more eligible than another.

Specified by:

subsumes in interface Subsumable<SchedulingParameters>

Parameters:

other - The other parameters object to be compared with.

Returns:

true when and only when this parameters is more eligible than the other parameters.

getAffinity

public Affinity getAffinity()

Determines the affinity set instance associated of these parameters.

Returns:

The associated affinity.

Since:

RTSJ 2.0