public class Const extends LimitedFiringSource
If the trigger port is connected, then this actor fires only if a token is provided on any channel of the trigger port. The value of that token does not matter. Specifically, if there is no such token, the prefire() method returns false.
Entity.ContainedObjectsIterator
Modifier and Type | Field and Description |
---|---|
Parameter |
value
The value produced by this constant source.
|
_firingCountLimit, _iterationCount, firingCountLimit
_triggered, output, trigger
_typesValid
_actorFiringListeners, _initializables, _notifyingActorFiring, _stopRequested
_changeListeners, _changeLock, _changeRequests, _debugging, _debugListeners, _deferChangeRequests, _elementName, _isPersistent, _verbose, _workspace, ATTRIBUTES, CLASSNAME, COMPLETE, CONTENTS, DEEP, FULLNAME, LINKS
COMPLETED, NOT_READY, STOP_ITERATING
Constructor and Description |
---|
Const(CompositeEntity container,
java.lang.String name)
Construct a constant source with the given container and name.
|
Modifier and Type | Method and Description |
---|---|
java.lang.Object |
clone(Workspace workspace)
Clone the actor into the specified workspace.
|
void |
fire()
Send the token in the value parameter to the output.
|
attributeChanged, initialize, postfire
_customTypeConstraints, prefire
_containedTypeConstraints, _defaultTypeConstraints, _fireAt, _fireAt, attributeTypeChanged, clone, isBackwardTypeInferenceEnabled, newPort, typeConstraintList, typeConstraints
_actorFiring, _actorFiring, _declareDelayDependency, addActorFiringListener, addInitializable, connectionsChanged, createReceivers, declareDelayDependency, getCausalityInterface, getDirector, getExecutiveDirector, getManager, inputPortList, isFireFunctional, isStrict, iterate, newReceiver, outputPortList, preinitialize, pruneDependencies, recordFiring, removeActorFiringListener, removeDependency, removeInitializable, setContainer, stop, stopFire, terminate, wrapup
_adjustDeferrals, _checkContainer, _getContainedObject, _propagateExistence, getContainer, instantiate, isAtomic, isOpaque, moveDown, moveToFirst, moveToIndex, moveToLast, moveUp, propagateExistence, setName
_addPort, _description, _exportMoMLContents, _removePort, _validateSettables, connectedPortList, connectedPorts, containedObjectsIterator, getAttribute, getPort, getPorts, linkedRelationList, linkedRelations, portList, removeAllPorts, setClassDefinition, uniqueName
_setParent, exportMoML, getChildren, getElementName, getParent, getPrototypeList, isClassDefinition, isWithinClassDefinition
_addAttribute, _adjustOverride, _attachText, _cloneFixAttributeFields, _containedDecorators, _copyChangeRequestList, _debug, _debug, _debug, _debug, _debug, _executeChangeRequests, _getIndentPrefix, _isMoMLSuppressed, _markContentsDerived, _notifyHierarchyListenersAfterChange, _notifyHierarchyListenersBeforeChange, _propagateValue, _removeAttribute, _splitName, _stripNumericSuffix, addChangeListener, addDebugListener, addHierarchyListener, attributeDeleted, attributeList, attributeList, decorators, deepContains, depthInHierarchy, description, description, event, executeChangeRequests, exportMoML, exportMoML, exportMoML, exportMoML, exportMoMLPlain, getAttribute, getAttributes, getChangeListeners, getClassName, getDecoratorAttribute, getDecoratorAttributes, getDerivedLevel, getDerivedList, getDisplayName, getFullName, getModelErrorHandler, getName, getName, getSource, handleModelError, isDeferringChangeRequests, isOverridden, isPersistent, lazyContainedObjectsIterator, message, notifyOfNameChange, propagateValue, propagateValues, removeAttribute, removeChangeListener, removeDebugListener, removeHierarchyListener, requestChange, setClassName, setDeferringChangeRequests, setDerivedLevel, setDisplayName, setModelErrorHandler, setPersistent, setSource, sortContainedObjects, toplevel, toString, validateSettables, workspace
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
createReceivers, getCausalityInterface, getDirector, getExecutiveDirector, getManager, inputPortList, newReceiver, outputPortList
isFireFunctional, isStrict, iterate, stop, stopFire, terminate
addInitializable, preinitialize, removeInitializable, wrapup
description, getContainer, getDisplayName, getFullName, getName, getName, setName
getDerivedLevel, getDerivedList, propagateValue
public Parameter value
The Ptolemy II Expression language defines the syntax for this parameter. In Vergil, documentation is available via the Help button in the Edit Parameters window. Documentation is available on-line at http://ptolemy.eecs.berkeley.edu/books/Systems/chapters/Expressions.pdf.
public Const(CompositeEntity container, java.lang.String name) throws NameDuplicationException, IllegalActionException
container
- The container.name
- The name of this actor.IllegalActionException
- If the entity cannot be contained
by the proposed container.NameDuplicationException
- If the container already has an
actor with this name.public java.lang.Object clone(Workspace workspace) throws java.lang.CloneNotSupportedException
clone
in class TypedAtomicActor
workspace
- The workspace for the new object.java.lang.CloneNotSupportedException
- If a derived class contains
an attribute that cannot be cloned.NamedObj.exportMoML(Writer, int, String)
,
NamedObj.setDeferringChangeRequests(boolean)
public void fire() throws IllegalActionException
fire
in interface Executable
fire
in class Source
IllegalActionException
- If it is thrown by the
send() method sending out the token.