ptolemy.actor.lib
Class Multiplexor
java.lang.Object
ptolemy.kernel.util.NamedObj
ptolemy.kernel.InstantiableNamedObj
ptolemy.kernel.Entity
ptolemy.kernel.ComponentEntity
ptolemy.actor.AtomicActor
ptolemy.actor.TypedAtomicActor
ptolemy.actor.lib.Transformer
ptolemy.actor.lib.Multiplexor
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Cloneable, Actor, Executable, FiringsRecordable, Initializable, TypedActor, Changeable, Debuggable, DebugListener, Derivable, Instantiable, ModelErrorHandler, MoMLExportable, Moveable, Nameable
public class Multiplexor
- extends Transformer
This actor selects from the channels on the
input port, copying the input from one channel to the output,
based on the most recently received value on the select input.
If the selected channel has no token, then no output is produced.
The select input is required to be an integer between 0 and
n-1, where n is the width of the input port.
If no token has been received on the select port, then channel
0 is sent to the output. The input port may
receive Tokens of any type, but all channels must have the same type.
One token is consumed from each input channel that has a token.
Compare this with the Select actor, which only consumes a token on
the selected channel.
- Since:
- Ptolemy II 1.0
- Version:
- $Id: Multiplexor.java 57040 2010-01-27 20:52:32Z cxh $
- Author:
- Jeff Tsay and Edward A. Lee
- See Also:
Select,
Serialized Form
- Accepted Rating:
- Proposed Rating:
|
Field Summary |
private int |
_channel
The most recently read select input. |
TypedIOPort |
select
Input for the index of the port to select. |
| Fields inherited from class ptolemy.kernel.util.NamedObj |
_changeListeners, _changeLock, _changeRequests, _debugging, _debugListeners, _elementName, _isPersistent, _verbose, _workspace, ATTRIBUTES, CLASSNAME, COMPLETE, CONTENTS, DEEP, FULLNAME, LINKS |
|
Constructor Summary |
Multiplexor(CompositeEntity container,
java.lang.String name)
Construct an actor in the specified container with the specified
name. |
|
Method Summary |
void |
fire()
Read a token from the select port and from each channel
of the input port, and output a token on the selected
channel. |
void |
initialize()
Initialize to the default, which is to use channel zero. |
| Methods inherited from class ptolemy.actor.AtomicActor |
_actorFiring, _actorFiring, addActorFiringListener, addInitializable, clone, connectionsChanged, createReceivers, declareDelayDependency, getCausalityInterface, getDirector, getExecutiveDirector, getManager, inputPortList, isFireFunctional, isStrict, iterate, newReceiver, outputPortList, postfire, prefire, preinitialize, pruneDependencies, recordFiring, removeActorFiringListener, removeDependency, removeInitializable, setContainer, stop, stopFire, terminate, wrapup |
| Methods inherited from class ptolemy.kernel.ComponentEntity |
_adjustDeferrals, _checkContainer, _getContainedObject, _propagateExistence, getContainer, instantiate, isAtomic, isOpaque, moveDown, moveToFirst, moveToIndex, moveToLast, moveUp, propagateExistence, setName |
| Methods inherited from class ptolemy.kernel.Entity |
_description, _exportMoMLContents, _removePort, _validateSettables, connectedPortList, connectedPorts, containedObjectsIterator, getAttribute, getPort, getPorts, linkedRelationList, linkedRelations, portList, removeAllPorts, setClassDefinition, uniqueName |
| Methods inherited from class ptolemy.kernel.util.NamedObj |
_addAttribute, _adjustOverride, _attachText, _cloneFixAttributeFields, _debug, _debug, _debug, _debug, _debug, _getIndentPrefix, _isMoMLSuppressed, _markContentsDerived, _propagateValue, _recordDecoratedAttributes, _removeAttribute, _splitName, _stripNumericSuffix, addChangeListener, addDebugListener, attributeChanged, attributeList, attributeList, 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, propagateValue, propagateValues, removeChangeListener, removeDebugListener, requestChange, setClassName, setDeferringChangeRequests, setDerivedLevel, setDisplayName, setModelErrorHandler, setPersistent, setSource, sortContainedObjects, toplevel, toString, validateSettables, workspace |
| Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
select
public TypedIOPort select
- Input for the index of the port to select. The type is IntToken.
_channel
private int _channel
- The most recently read select input.
Multiplexor
public Multiplexor(CompositeEntity container,
java.lang.String name)
throws IllegalActionException,
NameDuplicationException
- Construct an actor in the specified container with the specified
name.
- Parameters:
container - The container.name - The name of this actor within the container.
- Throws:
IllegalActionException - If the actor cannot be contained
by the proposed container.
NameDuplicationException - If the name coincides with
an actor already in the container.
fire
public void fire()
throws IllegalActionException
- Read a token from the select port and from each channel
of the input port, and output a token on the selected
channel. This method will throw a NoTokenException if any
input channel does not have a token.
- Specified by:
fire in interface Executable- Overrides:
fire in class AtomicActor
- Throws:
IllegalActionException - If there is no director, or if
the select input is out of range.
initialize
public void initialize()
- Initialize to the default, which is to use channel zero.
- Specified by:
initialize in interface Initializable- Overrides:
initialize in class AtomicActor