/**
* If the argument is true, make the port a multiport. If the argument is false, make the port not
* a multiport. This method overrides the base class to make the same change on the mirror ports
* in the controller and state refinments. This method invalidates the schedule and resolved types
* of the director of the container, if there is one. It is write-synchronized on the workspace,
* and increments the version of the workspace.
*
* @param isMultiport True to make the port a multiport.
* @exception IllegalActionException If changing the port status is not permitted.
*/
@Override
public void setMultiport(boolean isMultiport) throws IllegalActionException {
boolean disableStatus = _mirrorDisable;
try {
_workspace.getWriteAccess();
if (_mirrorDisable || getContainer() == null) {
// Have already called the super class.
// This time, process the request.
// process request for the sibling
if (_hasSibling && isOutput() && getContainer() != null) {
TransitionRefinement container = (TransitionRefinement) getContainer();
TransitionRefinementPort sibling =
(TransitionRefinementPort) container.getPort(getName() + "_in");
sibling._mirrorDisable = true;
sibling.setMultiport(isMultiport);
sibling._mirrorDisable = false;
}
super.setMultiport(isMultiport);
} else {
_mirrorDisable = true;
boolean success = false;
Nameable container = getContainer();
if (container != null) {
Nameable modal = container.getContainer();
if (modal instanceof ModalModel) {
Port port = ((ModalModel) modal).getPort(getName());
if (port instanceof IOPort) {
((IOPort) port).setMultiport(isMultiport);
success = true;
}
}
}
if (!success) {
super.setMultiport(isMultiport);
}
}
} finally {
_mirrorDisable = disableStatus;
_workspace.doneWriting();
}
}
/**
* If the argument is true, make the port an output port. If the argument is false, make the port
* not an output port. In addition, if the container is an instance of Refinement, and the
* argument is true, find the corresponding port of the controller and make it an input and not an
* output. This makes it possible for the controller to see the outputs of the refinements. This
* method overrides the base class to make the same change on the mirror ports in the controller
* and state refinments. This method invalidates the schedule and resolved types of the director
* of the container, if there is one. It is write-synchronized on the workspace, and increments
* the version of the workspace.
*
* @param isOutput True to make the port an output.
* @exception IllegalActionException If changing the port status is not permitted.
*/
@Override
public void setOutput(boolean isOutput) throws IllegalActionException {
boolean disableStatus = _mirrorDisable;
// check first that this isn't an input sibling port,
// if it is then it *cannot* be set as an output too
if (_hasSibling && isInput() && !isOutput()) {
if (isOutput) {
throw new InternalErrorException(
"TransitionRefinementPort.setOutput:"
+ " cannot set input sibling port to be an output");
} else {
return;
}
}
try {
_workspace.getWriteAccess();
if (_mirrorDisable || getContainer() == null) {
// Have already called the super class.
// This time, process the request.
super.setOutput(isOutput);
// now create a sibling if we
// don't otherwise have one
if (!_hasSibling && isOutput) {
try {
TransitionRefinement container = (TransitionRefinement) getContainer();
// Temporarily turn off mirroring while we create a port.
// Needed by $PTII/ptolemy/domains/modal/demo/ModalBSC/ModalBSC.xml
// and $PTII/ptolemy/domains/modal/demo/StateTracker/StateTracker.xml
TransitionRefinementPort sibling = null;
try {
container.setMirrorDisable(-1);
sibling = new TransitionRefinementPort(container, getName() + "_in");
} finally {
container.setMirrorDisable(0);
}
sibling._hasSibling = true;
sibling._mirrorDisable = true;
// set attributes of sibling
sibling.setInput(true);
sibling.setMultiport(isMultiport());
sibling._mirrorDisable = false;
// link the port relation should already exist
// from this port's creation in newPort()
String relationName = getName() + "Relation";
ModalModel model = (ModalModel) container.getContainer();
Relation relation = model.getRelation(relationName);
if (relation != null) {
sibling.link(relation);
}
_hasSibling = true;
} catch (NameDuplicationException ex) {
throw new InternalErrorException(
this, ex, "TransitionRefinementPort.setOutput: Internal error.");
}
}
} else {
_mirrorDisable = true;
boolean success = false;
Nameable container = getContainer();
if (container != null) {
Nameable modal = container.getContainer();
if (modal instanceof ModalModel) {
Port port = ((ModalModel) modal).getPort(getName());
if (port instanceof IOPort) {
((IOPort) port).setOutput(isOutput);
success = true;
}
}
}
if (!success) {
super.setOutput(isOutput);
}
}
} finally {
_mirrorDisable = disableStatus;
_workspace.doneWriting();
}
}
/**
* Override the base class so that if the port is being removed from the current container, then
* it is also removed from the controller and from each of the refinements.
*
* @param container The proposed container.
* @exception IllegalActionException If the proposed container is not a ComponentEntity, doesn't
* implement Actor, or has no name, or the port and container are not in the same workspace.
* Or it's not null
* @exception NameDuplicationException If the container already has a port with the name of this
* port.
*/
@Override
public void setContainer(Entity container)
throws IllegalActionException, NameDuplicationException {
NamedObj oldContainer = getContainer();
if (container == oldContainer) {
// Nothing to do.
return;
}
boolean disableStatus = _mirrorDisable;
try {
_workspace.getWriteAccess();
if (_mirrorDisable || getContainer() == null) {
// process request for the sibling
if (_hasSibling && isOutput() && getContainer() != null) {
TransitionRefinement transContainer = (TransitionRefinement) oldContainer;
TransitionRefinementPort sibling =
(TransitionRefinementPort) transContainer.getPort(getName() + "_in");
sibling._mirrorDisable = true;
sibling.setContainer(container);
sibling._mirrorDisable = false;
}
// Have already called the super class.
// This time, process the request.
super.setContainer(container);
} else {
// if this is the input port of a pair of siblings,
// then forward request to the output port of the pair
_mirrorDisable = true;
boolean success = false;
String portName = getName();
if (_hasSibling && isInput() && !isOutput()) {
// we are the input sibling, extract "real" port name
portName = getName().substring(0, getName().length() - 3);
}
if (oldContainer != null) {
Nameable modal = oldContainer.getContainer();
if (modal instanceof ModalModel) {
Port port = ((ModalModel) modal).getPort(portName);
if (port != null) {
port.setContainer(null);
success = true;
}
}
}
if (!success) {
super.setContainer(container);
}
}
} finally {
_mirrorDisable = disableStatus;
_workspace.doneWriting();
}
}