Examples of ptolemy.kernel.Port

ptolemy.kernel.Port
A Port is the interface of an Entity to any number of Relations. Normally, a Port is contained by an Entity, although a port may exist with no container. The role of a port is to aggregate a set of links to relations. Thus, for example, to represent a directed graph, entities can be created with two ports, one for incoming arcs and one for outgoing arcs. More generally, the arcs to an entity may be divided into any number of subsets, with one port representing each subset.
A Port can link to any instance of Relation. Derived classes may wish to constrain links to a subclass of Relation. To do this, subclasses should override the protected method {@link #_checkLink(Relation)} tothrow an exception if its argument is a relation that is not of the appropriate subclass. Similarly, if a subclass wishes to constrain the containers of the port to be of a subclass of Entity, they should override the protected method {@link #_checkContainer(Entity)}. @author Mudit Goel, Edward A. Lee, Jie Liu @version $Id: Port.java,v 1.170 2006/09/21 15:40:03 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Green (eal) @Pt.AcceptedRating Green (cxh) @see Entity @see Relation


                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).moveToIndex(index);
                            success = true;

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).moveToLast();
                            success = true;

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).moveUp();
                            success = true;

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                if (oldContainer != null) {
                    Nameable modal = oldContainer.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port != null) {
                            port.setContainer(null);
                            success = true;
                        }
                    }
                }

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).setInput(isInput);
                            success = true;

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).setMultiport(isMultiport);
                            success = true;

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port != null) {
                            port.setName(name);
                            success = true;
                        }
                    }
                }

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                if (container != null) {
                    Nameable modal = container.getContainer();


                    if (modal instanceof MultiCompositeActor) {
                        Port port = ((MultiCompositeActor) modal)
                                .getPort(getName());


                        if (port instanceof IOPort) {
                            ((IOPort) port).setOutput(isOutput);
                            success = true;

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        if (container != null) {
            Nameable modal = container.getContainer();


            if (modal instanceof MultiCompositeActor) {
                Port port = ((MultiCompositeActor) modal).getPort(getName());


                if (port instanceof IOPort) {
                    if (!((IOPort) port).isInput()
                            && ((IOPort) port).isOutput()) {
                        _automaticallyInput = true;

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                    Relation relation = container.getRelation(relationName);


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


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


                    port.link(relation);
                }

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