public class MultiplyDivide extends TypedAtomicActor
A polymorphic multiplier and/or divider. This adder has two input ports, both of which are multiports, and one output port, which is not. The types on the ports are undeclared and will be resolved by the type resolution mechanism. Data that arrives on the input port named multiply will be multiplied, and data that arrives on the input port named divide will be divided. Any token type supporting multiplication and division can be used. In most domains, either input port can be left unconnected. Thus, to get a simple multiplier (with no division), just leave the divide input unconnected.
Currently, the type system is quite liberal about the resolved types it will permit at the inputs. In particular, it may permit the multiply and divide inputs to resolve to types that cannot in fact be multiplied or divided. In these cases, a run-time error will occur. In the future, we hope that the type system will intercept such errors before run time.
This actor does not require that each input channel have a token upon firing. It will multiply or divide available tokens at the inputs and ignore the channels that do not have tokens. It consumes at most one input token from each port. If no input tokens are available on the multiply inputs, then a numerator of one is assumed for the division operations. The "one" is obtained by calling the one() method of the first token seen at the divide input. If no input tokens are available at all, then no output is produced.
Entity.ContainedObjectsIterator| Modifier and Type | Field and Description |
|---|---|
TypedIOPort |
divide
Input for tokens to be divided.
|
TypedIOPort |
multiply
Input for tokens to be multiplied.
|
TypedIOPort |
output
Output port.
|
_typesValid_actorFiringListeners, _initializables, _notifyingActorFiring, _stopRequested_changeListeners, _changeLock, _changeRequests, _debugging, _debugListeners, _deferChangeRequests, _elementName, _isPersistent, _verbose, _workspace, ATTRIBUTES, CLASSNAME, COMPLETE, CONTENTS, DEEP, FULLNAME, LINKSCOMPLETED, NOT_READY, STOP_ITERATING| Constructor and Description |
|---|
MultiplyDivide(CompositeEntity container,
java.lang.String name)
Construct an actor in the specified container with the specified
name.
|
| Modifier and Type | Method and Description |
|---|---|
void |
fire()
If there is at least one token on the input ports, multiply
tokens from the multiply port, divide by tokens from
the divide port, and send the result to the output
port.
|
_containedTypeConstraints, _customTypeConstraints, _defaultTypeConstraints, _fireAt, _fireAt, attributeTypeChanged, clone, clone, isBackwardTypeInferenceEnabled, newPort, typeConstraintList, typeConstraints_actorFiring, _actorFiring, _declareDelayDependency, addActorFiringListener, addInitializable, connectionsChanged, createReceivers, declareDelayDependency, getCausalityInterface, getDirector, getExecutiveDirector, getManager, initialize, inputPortList, isFireFunctional, isStrict, iterate, newReceiver, outputPortList, postfire, prefire, 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, attributeChanged, 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, workspaceequals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitcreateReceivers, getCausalityInterface, getDirector, getExecutiveDirector, getManager, inputPortList, newReceiver, outputPortListisFireFunctional, isStrict, iterate, postfire, prefire, stop, stopFire, terminateaddInitializable, initialize, preinitialize, removeInitializable, wrapupdescription, getContainer, getDisplayName, getFullName, getName, getName, setNamegetDerivedLevel, getDerivedList, propagateValuepublic TypedIOPort divide
public TypedIOPort output
public TypedIOPort multiply
public MultiplyDivide(CompositeEntity container, java.lang.String name) throws IllegalActionException, NameDuplicationException
container - The container.name - The name of this actor within the container.IllegalActionException - If the actor cannot be contained
by the proposed container.NameDuplicationException - If the name coincides with
an actor already in the container.public void fire()
throws IllegalActionException
fire in interface Executablefire in class AtomicActor<TypedIOPort>IllegalActionException - If there is no director,
or if multiplication and division are not supported by the
available tokens.