/**
* For each port of the given entity, if the port's derived level is greater than 0 (i.e., it is
* created automatically by the entity), store the persistent attributes of the port in a "port"
* XML element.
*
* @param entity The entity whose ports are looked at.
* @param output The output writer.
* @param depth The depth for the MoML output.
* @exception IOException If the output writer cannot be written to.
*/
public static void exportPortProperties(GTEntity entity, Writer output, int depth)
throws IOException {
if (entity instanceof Entity) {
Entity ptEntity = (Entity) entity;
for (Object portObject : ptEntity.portList()) {
Port port = (Port) portObject;
if (port.getDerivedLevel() == 0) {
continue;
}
boolean outputStarted = false;
for (Object attributeObject : port.attributeList()) {
Attribute attribute = (Attribute) attributeObject;
if (attribute.isPersistent()) {
if (!outputStarted) {
output.write(
StringUtilities.getIndentPrefix(depth)
+ "<port name=\""
+ port.getName()
+ "\">\n");
outputStarted = true;
}
attribute.exportMoML(output, depth + 1);
}
}
if (outputStarted) {
output.write(StringUtilities.getIndentPrefix(depth) + "</port>\n");
}
}
}
}
/**
* Remove all the annotations from the graph. Actors, their ports, and relations are inspected to
* see if they either a _color and/or an _explanation attribute. If so, then the attribute is
* removed via a MoMl changeRequest.
*/
public void deAnnotateGraph() {
StringBuffer moml = new StringBuffer();
Iterator entities = _model.entityList(ComponentEntity.class).iterator();
while (entities.hasNext()) {
ComponentEntity entity = (ComponentEntity) (entities.next());
String entityDeletes = _deletesIfNecessary(entity);
moml.append("<entity name=\"" + entity.getName() + "\">");
if (entityDeletes != null) {
moml.append(entityDeletes);
}
Iterator ports = entity.portList().iterator();
while (ports.hasNext()) {
Port port = (Port) (ports.next());
String portDeletes = _deletesIfNecessary(port);
if (portDeletes != null) {
moml.append("<port name=\"" + port.getName() + "\">" + portDeletes + "</port>");
}
}
moml.append("</entity>");
}
Iterator relations = _model.relationList().iterator();
while (relations.hasNext()) {
Relation relation = (Relation) (relations.next());
String relationDeletes = _deletesIfNecessary(relation);
if (relationDeletes != null) {
moml.append(
"<relation name=\"" + relation.getName() + "\">" + relationDeletes + "\"/></relation>");
}
}
if (moml.length() > 0) {
String momlUpdate = "<group>" + moml.toString() + "</group>";
MoMLChangeRequest request = new MoMLChangeRequest(this, _model, momlUpdate);
request.setUndoable(true);
request.setPersistent(false);
_model.requestChange(request);
}
}
/**
* Remove all ports by setting their container to null. As a side effect, the ports will be
* unlinked from all relations. This method is write-synchronized on the workspace, and increments
* its version number.
*/
public void removeAllPorts() {
try {
_workspace.getWriteAccess();
// Have to copy _portList to avoid corrupting the iterator.
List portListCopy = new LinkedList(portList());
Iterator ports = portListCopy.iterator();
while (ports.hasNext()) {
Port port = (Port) ports.next();
try {
MoMLChangeRequest request =
new MoMLChangeRequest(this, this, "<deletePort name=\"" + port.getName() + "\"/>");
request.setUndoable(true);
requestChange(request);
} catch (Exception ex) {
// Ignore.
}
}
} finally {
_workspace.doneWriting();
}
}
/**
* Update the appearance (icons and ports) of the entity with the change in a
* GTIngredientAttribute, such as a criterion or an operation.
*
* @param entity The entity.
* @param attribute The attribute whose recent change leads to an update of the entity.
*/
public static void updateAppearance(final GTEntity entity, GTIngredientsAttribute attribute) {
NamedObj object = (NamedObj) entity;
Workspace workspace = object.workspace();
try {
workspace.getWriteAccess();
List<?> icons = object.attributeList(EditorIcon.class);
boolean foundPersistentIcon = false;
for (Object iconObject : icons) {
EditorIcon icon = (EditorIcon) iconObject;
if (icon.isPersistent()) {
foundPersistentIcon = true;
break;
}
}
Set<String> preservedPortNames = new HashSet<String>();
boolean isIconSet = false;
int i = 1;
GTIngredientList list = attribute.getIngredientList();
for (GTIngredient ingredient : list) {
if (ingredient instanceof PortCriterion) {
PortCriterion criterion = (PortCriterion) ingredient;
String portID = criterion.getPortID(list);
preservedPortNames.add(portID);
TypedIOPort port = (TypedIOPort) ((ComponentEntity) entity).getPort(portID);
boolean isInput = criterion.isInput();
boolean isOutput = criterion.isOutput();
boolean isMultiport = !criterion.isMultiportEnabled() || criterion.isMultiport();
if (port != null) {
if (port instanceof PortMatcher) {
port.setInput(isInput);
port.setOutput(isOutput);
} else {
MoMLChangeRequest request =
new MoMLChangeRequest(
entity, object, "<deletePort name=\"" + port.getName() + "\"/>");
request.setUndoable(true);
request.setMergeWithPreviousUndo(true);
request.execute();
port =
new PortMatcher(criterion, (ComponentEntity) entity, portID, isInput, isOutput);
port.setDerivedLevel(1);
}
} else {
port = new PortMatcher(criterion, (ComponentEntity) entity, portID, isInput, isOutput);
port.setDerivedLevel(1);
}
port.setMultiport(isMultiport);
} else if (ingredient instanceof SubclassCriterion && !isIconSet && !foundPersistentIcon) {
SubclassCriterion criterion = (SubclassCriterion) ingredient;
final String superclass = criterion.getSuperclass();
object.requestChange(
new ChangeRequest(entity, "Deferred load actor icon action.") {
protected void _execute() throws Exception {
_loadActorIcon(entity, superclass);
}
});
isIconSet = true;
}
i++;
}
if (!isIconSet && !foundPersistentIcon) {
object.requestChange(new RestoreAppearanceChangeRequest(entity));
}
ComponentEntity component = (ComponentEntity) entity;
try {
component.workspace().getReadAccess();
List<?> portList = new LinkedList<Object>(component.portList());
for (i = 0; i < portList.size(); i++) {
Port port = (Port) portList.get(i);
if (port instanceof PortMatcher && !preservedPortNames.contains(port.getName())) {
((PortMatcher) port)._setPortCriterion(null);
port.setContainer(null);
}
}
} finally {
component.workspace().doneReading();
}
} catch (KernelException e) {
throw new KernelRuntimeException(
e, "Cannot update appearance for " + "actor " + entity.getName() + ".");
} finally {
workspace.doneWriting();
}
}