Package ptolemy.cg.lib.syntactic

Class SyntacticPort

java.lang.Object

ptolemy.kernel.util.NamedObj

ptolemy.kernel.Port

ptolemy.kernel.ComponentPort

ptolemy.cg.lib.syntactic.SyntacticPort

All Implemented Interfaces:

java.lang.Cloneable, Changeable, Debuggable, DebugListener, Derivable, ModelErrorHandler, MoMLExportable, Moveable, Nameable

public class SyntacticPort
extends ComponentPort

Represent ComponentPorts syntactically in SyntacticNodes. Ports in models that can be interpreted as input or output ports can be represented referentially by this object. The semantic information about direction is not retained in the reference but represented by the context of the reference in an input or output list in a SyntacticTerm. Multiports are split into series of SyntacticPorts. Bidirectional ports are split into pairs of SyntacticPorts.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Chris Shaver

Pt.AcceptedRating:

red

Pt.ProposedRating:

red (shaver)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SyntacticPort.IOType	Represent IO type for ports.

Nested classes/interfaces inherited from class ptolemy.kernel.util.NamedObj

NamedObj.ContainedObjectsIterator

Field Summary

Fields inherited from class ptolemy.kernel.Port

_insideLinks, _relationsList

Fields inherited from class ptolemy.kernel.util.NamedObj

_changeListeners, _changeLock, _changeRequests, _debugging, _debugListeners, _deferChangeRequests, _elementName, _isPersistent, _verbose, _workspace, ATTRIBUTES, CLASSNAME, COMPLETE, CONTENTS, DEEP, FULLNAME, LINKS

Constructor Summary

Constructors

Constructor	Description
SyntacticPort()	Construct SyntacticPort.
SyntacticPort(SyntacticNode container, Port port, boolean direction, java.lang.String name)	Construct SyntacticPort with given container and name.
SyntacticPort(Workspace workspace)	Construct SyntacticPort with given workspace.

Method Summary

Modifier and Type	Method	Description
int	getChannel()	Get the channel of the represented port.
SyntacticPort	getConnectedPort()	Get the connected port from a given port.
SyntacticNode	getNode()	Get node in which port is contained.
Port	getRepresentedPort()	Get the port represented by the Syntactic Port.
SyntacticPort.IOType	getType()	Gets the IOType of the port.
boolean	isEmpty()	Decide whether the port is disconnected.
boolean	isInput()	Decide whether the port is representationally an input port.
boolean	isOutput()	Decide whether the port is representationally an output port.
static boolean	isPortExterior(Port port, CompositeEntity entity)	Decide whether a port is exterior in the given entity.
boolean	isRepresentative()	Decide whether the port represents an actual port.
static SyntacticPort.IOType	portType(Port port)	Gets the IOType of a given port.
static SyntacticPort.IOType	portType(Port port, CompositeEntity entity)	Gets the IOType of a given port with reference to a composite entity.
static java.lang.Integer	portWidth(Port port)	Gets the width of a Port.
void	setChannel(int channel)	Set the channel of the represented port.

Methods inherited from class ptolemy.kernel.ComponentPort

_checkContainer, _checkLiberalLink, _checkLink, _deepConnectedPortList, _deepConnectedPorts, _deepInsidePortList, _deepInsidePorts, _description, _isInsideLinkable, clone, deepConnectedPortList, deepConnectedPorts, deepInsidePortList, deepInsidePorts, insertInsideLink, insertLink, insidePortList, insidePorts, insideRelationList, insideRelations, isDeeplyConnected, isInsideGroupLinked, isInsideLinked, isOpaque, liberalLink, link, numInsideLinks, setContainer, unlink, unlinkAll, unlinkAllInside, unlinkInside, unlinkInside

Methods inherited from class ptolemy.kernel.Port

_getContainedObject, _propagateExistence, connectedPortList, connectedPorts, getContainer, isGroupLinked, isLinked, linkedRelationList, linkedRelations, moveDown, moveToFirst, moveToIndex, moveToLast, moveUp, numLinks, setName, unlink

Methods inherited from class ptolemy.kernel.util.NamedObj

_addAttribute, _adjustOverride, _attachText, _cloneFixAttributeFields, _containedDecorators, _copyChangeRequestList, _debug, _debug, _debug, _debug, _debug, _executeChangeRequests, _exportMoMLContents, _getIndentPrefix, _isMoMLSuppressed, _markContentsDerived, _notifyHierarchyListenersAfterChange, _notifyHierarchyListenersBeforeChange, _propagateValue, _removeAttribute, _splitName, _stripNumericSuffix, _validateSettables, addChangeListener, addDebugListener, addHierarchyListener, attributeChanged, attributeDeleted, attributeList, attributeList, attributeTypeChanged, clone, containedObjectsIterator, decorators, deepContains, depthInHierarchy, description, description, event, executeChangeRequests, exportMoML, exportMoML, exportMoML, exportMoML, exportMoML, exportMoMLPlain, getAttribute, getAttribute, getAttributes, getChangeListeners, getClassName, getDecoratorAttribute, getDecoratorAttributes, getDerivedLevel, getDerivedList, getDisplayName, getElementName, getFullName, getModelErrorHandler, getName, getName, getPrototypeList, getSource, handleModelError, isDeferringChangeRequests, isOverridden, isPersistent, lazyContainedObjectsIterator, message, notifyOfNameChange, propagateExistence, propagateValue, propagateValues, removeAttribute, removeChangeListener, removeDebugListener, removeHierarchyListener, requestChange, setClassName, setDeferringChangeRequests, setDerivedLevel, setDisplayName, setModelErrorHandler, setPersistent, setSource, sortContainedObjects, toplevel, toString, uniqueName, validateSettables, workspace

Methods inherited from class java.lang.Object

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

Constructor Detail

SyntacticPort

public SyntacticPort()

Construct SyntacticPort.

SyntacticPort

public SyntacticPort(Workspace workspace)

Construct SyntacticPort with given workspace.

Parameters:

workspace - Workspace to add SyntacticPort to.

SyntacticPort

public SyntacticPort(SyntacticNode container,
                     Port port,
                     boolean direction,
                     java.lang.String name)
              throws IllegalActionException,
                     NameDuplicationException

Construct SyntacticPort with given container and name. The caller can associate the syntactic port with an actual port. The caller must determine if the port is input or output and the represented port, if one exist, will be treated inferentially as such.

Parameters:

container - SyntacticNode in which this port is added.

port - Port referred to by this SyntacticPort.

direction - True if input, false if output.

name - Name of this port.

Throws:

IllegalActionException - If the port is not of an acceptable class for the container.

NameDuplicationException - If the name coincides with a port already in the container.

Method Detail

getConnectedPort

public SyntacticPort getConnectedPort()

Get the connected port from a given port. If the graph is not made bijective this gives the first. If there are no ports or no SyntacticPorts null is returned.

Returns:

An immediately connected port or null.

getNode

public SyntacticNode getNode()

Get node in which port is contained.

Returns:

node in which port is contained or null if none.

setChannel

public void setChannel(int channel)

Set the channel of the represented port. Each SyntacticPort only represents a single channel of the represented port.

Parameters:

channel - The channel of the represented port.

See Also:

getChannel()

getRepresentedPort

public Port getRepresentedPort()

Get the port represented by the Syntactic Port.

Returns:

represented port.

getChannel

public int getChannel()

Get the channel of the represented port.

Returns:

represented channel of the port.

See Also:

setChannel(int)

isRepresentative

public boolean isRepresentative()

Decide whether the port represents an actual port. If false, the port is purely syntactic.

Returns:

whether the port is representative.

isInput

public boolean isInput()

Decide whether the port is representationally an input port.

Returns:

whether the port is an input port.

isOutput

public boolean isOutput()

Decide whether the port is representationally an output port.

Returns:

whether the port is an output port.

isEmpty

public boolean isEmpty()

Decide whether the port is disconnected.

Returns:

whether the port is disconnected.

getType

public SyntacticPort.IOType getType()

Gets the IOType of the port. For ports that represent input/output ports, each SyntacticPort will be set to the appropriate type for the part of the port it represents.

Returns:

IOType of the port.

portType

public static SyntacticPort.IOType portType(Port port)

Gets the IOType of a given port.

Parameters:

port - Port to find the type of.

Returns:

IOType of given port.

isPortExterior

public static boolean isPortExterior(Port port,
                                     CompositeEntity entity)

Decide whether a port is exterior in the given entity. This should be passed the model during analysis.

Parameters:

port - Port to check for exteriority.

entity - Entity to check inside of.

Returns:

whether port is exterior for the given entity.

portType

public static SyntacticPort.IOType portType(Port port,
                                            CompositeEntity entity)

Gets the IOType of a given port with reference to a composite entity. If a port is an exterior port of the entity, its IOType is reversed to reflect the role it plays on the inside of the composite.

Parameters:

port - Port to find the type of.

entity - Entity to check inside of.

Returns:

IOType of the port.

portWidth

public static java.lang.Integer portWidth(Port port)
                                   throws IllegalActionException

Gets the width of a Port.

Parameters:

port - Port to find the width of.

Returns:

the width of the port or null if not a port.

Throws:

IllegalActionException - If thrown while getting the width.