Ejemplo n.º 1
0
 /**
  * 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");
       }
     }
   }
 }
  /**
   * Set the name of the port, and mirror the change in all the mirror ports. This method is
   * write-synchronized on the workspace, and increments the version of the workspace.
   *
   * @exception IllegalActionException If the name has a period.
   * @exception NameDuplicationException If there is already a port with the same name in the
   *     container.
   */
  @Override
  public void setName(String name) throws IllegalActionException, NameDuplicationException {
    boolean disableStatus = _mirrorDisable;

    try {
      _workspace.getWriteAccess();

      if (_mirrorDisable || getContainer() == null) {
        // change sibling
        if (_hasSibling && isOutput() && getContainer() != null) {
          TransitionRefinement container = (TransitionRefinement) getContainer();
          TransitionRefinementPort sibling =
              (TransitionRefinementPort) container.getPort(getName() + "_in");
          sibling._mirrorDisable = true;
          sibling.setName(name + "_in");
          sibling._mirrorDisable = false;
        }

        // Have already called the super class.
        // This time, process the request.
        super.setName(name);
      } 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 != null) {
              port.setName(name);
              success = true;
            }
          }
        }

        if (!success) {
          super.setName(name);
        }
      }
    } finally {
      _mirrorDisable = disableStatus;
      _workspace.doneWriting();
    }
  }
Ejemplo n.º 3
0
  /**
   * 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);
    }
  }
Ejemplo n.º 4
0
  /**
   * 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();
    }
  }
  /**
   * 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.
   */
  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();
    }
  }
Ejemplo n.º 6
0
  /**
   * 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();
    }
  }
Ejemplo n.º 7
0
  /**
   * Create a new port with the specified name in the container of this controller, which in turn
   * creates a port in this controller and all the refinements. This method is write-synchronized on
   * the workspace.
   *
   * @param name The name to assign to the newly created port.
   * @return The new port.
   * @exception NameDuplicationException If the entity already has a port with the specified name.
   */
  public Port newPort(String name) throws NameDuplicationException {
    try {
      _workspace.getWriteAccess();

      ModalModel container = (ModalModel) getContainer();

      if (_mirrorDisable == 1 || container == null) {
        // We are mirroring a change above in the hierarchy
        // (or there is no above in the hierarchy),
        // so we should not mirror this change upwards.
        // But we should mirror it downwards.
        ModalRefinementPort port = new ModalRefinementPort(this, name);

        // Create the links on the outside of the new port.
        if (container != null) {
          String relationName = name + "Relation";
          Relation relation = container.getRelation(relationName);

          if (relation == null) {
            relation = container.newRelation(relationName);

            Port containerPort = container.getPort(name);
            containerPort.link(relation);
          }

          port.link(relation);
        }
        // Mirror the change downwards in the hierarchy.
        Iterator entities = entityList().iterator();
        while (entities.hasNext()) {
          Entity entity = (Entity) entities.next();

          if (entity instanceof RefinementActor) {
            if (entity.getPort(name) == null) {
              try {
                ((RefinementActor) entity).setMirrorDisable(1);
                entity.newPort(name);
              } finally {
                ((RefinementActor) entity).setMirrorDisable(0);
              }
            }
          }
        }
        return port;
      } else {
        // We are originating the change, or it originated from
        // below us in the hierarchy, and hence should delegate
        // it upwards. This will cause this newPort() method
        // to be called again by the container after it has
        // created its own port. That will result in the code
        // above executing because it will set _mirrorPort to 1
        // on this port before doing the call.
        ModalRefinementPort containerPort =
            container == null ? null : (ModalRefinementPort) container.getPort(name);
        if (containerPort == null) {
          // The container does not have a mirror port.
          // Delegate upwards.
          // Note that this will result in the container
          // creating the port here by calling this
          // newPort() method. It will set my
          // _mirrorDisable to 1 before doing that,
          // and set it back to 0 after.
          container.newPort(name);
          return getPort(name);
        } else {
          // The container already has a mirror port, so
          // we cannot use it to create our port.
          // This can happen if the container was created first
          // and populated with its ports before this refinement
          // was created.
          ModalRefinementPort port = new ModalRefinementPort(this, name);
          // Create the link on the outside of the port.
          String relationName = name + "Relation";
          Relation relation = container.getRelation(relationName);
          // The container should already have this relation,
          // but in case not, we create it.
          if (relation == null) {
            relation = container.newRelation(relationName);
            containerPort.link(relation);
          }
          port.link(relation);

          // Mirror the change downwards in the hierarchy.
          Iterator entities = entityList().iterator();
          while (entities.hasNext()) {
            Entity entity = (Entity) entities.next();

            if (entity instanceof RefinementActor) {
              if (entity.getPort(name) == null) {
                try {
                  ((RefinementActor) entity).setMirrorDisable(1);
                  entity.newPort(name);
                } finally {
                  ((RefinementActor) entity).setMirrorDisable(0);
                }
              }
            }
          }
          return port;
        }
      }
    } catch (IllegalActionException ex) {
      // This exception should not occur, so we throw a runtime
      // exception.
      throw new InternalErrorException(
          "ModalRefinement.newPort: Internal error: " + ex.getMessage());
    } finally {
      _mirrorDisable = 0;
      _workspace.doneWriting();
    }
  }
Ejemplo n.º 8
0
  /**
   * Write a MoML description of the contents of this object, wrapped in a configure element. This
   * is done by first populating the model, and then exporting its contents into a configure
   * element. This method is called by exportMoML(). Each description is indented according to the
   * specified depth and terminated with a newline character.
   *
   * @param output The output stream to write to.
   * @param depth The depth in the hierarchy, to determine indenting.
   * @exception IOException If an I/O error occurs.
   */
  protected void _exportMoMLContents(Writer output, int depth) throws IOException {
    populate();
    // Export top level attributes and ports

    List _attributes = attributeList();
    String _displayName = getDisplayName();

    // FIXME: start of duplicated code from NamedObj
    // If the display name has been set, then include a display element.
    // Note that copying parameters that have _displayName set need
    // to export _displayName.
    // See: http://bugzilla.ecoinformatics.org/show_bug.cgi?id=3361
    if (!_displayName.equals(getName())) {
      output.write("<display name=\"");
      output.write(StringUtilities.escapeForXML(_displayName));
      output.write("\"/>");
    }

    // Callers of this method should hold read access
    // so as to avoid ConcurrentModificationException.
    if (_attributes != null) {
      // Iterator attributes = _attributes.elementList().iterator();
      Iterator attributes = _attributes.iterator();

      while (attributes.hasNext()) {
        Attribute attribute = (Attribute) attributes.next();
        attribute.exportMoML(output, depth);
      }
    }
    // FIXME: end of duplicated code from NamedObj

    // FIXME: start of duplicated code from Entity
    Iterator ports = portList().iterator();

    while (ports.hasNext()) {
      Port port = (Port) ports.next();
      port.exportMoML(output, depth);
    }
    // FIXME: end of duplicated code from Entity

    // Everything else is in a configure

    output.write(_getIndentPrefix(depth) + "<configure>\n");
    output.write(_getIndentPrefix(depth + 1) + "<group>\n");

    // FIXME: start of duplicated code from CompositeEntity
    Iterator classes = classDefinitionList().iterator();

    while (classes.hasNext()) {
      ComponentEntity entity = (ComponentEntity) classes.next();
      entity.exportMoML(output, depth + 2);
    }

    Iterator entities = entityList().iterator();

    while (entities.hasNext()) {
      ComponentEntity entity = (ComponentEntity) entities.next();
      entity.exportMoML(output, depth + 2);
    }

    Iterator relations = relationList().iterator();

    while (relations.hasNext()) {
      ComponentRelation relation = (ComponentRelation) relations.next();
      relation.exportMoML(output, depth + 2);
    }

    // NOTE: We used to write the links only if
    // this object did not defer to another
    // (getMoMLInfo().deferTo was null), and
    // would instead record links in a MoMLAttribute.
    // That mechanism was far too fragile.
    // EAL 3/10/04
    output.write(exportLinks(depth + 2, null));
    // FIXME: end of duplicated code from CompositeEntity

    output.write(_getIndentPrefix(depth + 1) + "</group>\n");
    output.write(_getIndentPrefix(depth) + "</configure>\n");
  }