Examples of ptolemy.kernel.Entity

ptolemy.kernel.Entity
An Entity is a vertex in a generalized graph. It is an aggregation of ports. The ports can be linked to relations. The relations thus represent connections between ports, and hence, connections between entities. To add a port to an entity, simply set its container to the entity. To remove it, set its container to null, or to some other entity.
Entities are intended for flat graphs. Derived classes support hierarchy (clustered graphs) by defining entities that aggregate other entities.
An Entity can contain any instance of Port. Derived classes may wish to constrain to a subclass of Port. To do this, subclasses should override the public method newPort() to create a port of the appropriate subclass, and the protected method _addPort() to throw an exception if its argument is a port that is not of the appropriate subclass.
An Entity is created within a workspace. If the workspace is not specified as a constructor argument, then the default workspace is used. The workspace is used to synchronize simultaneous accesses to a topology from multiple threads. The workspace is immutable (it cannot be changed during the lifetime of the Entity). @author John S. Davis II, Edward A. Lee @version $Id: Entity.java,v 1.125 2007/12/06 21:57:05 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Green (eal) @Pt.AcceptedRating Green (johnr) @see ptolemy.kernel.Port @see ptolemy.kernel.Relation

        // FIXME: Should this also remove class definitions?
        // To do that, use classDefinitionList().
        Iterator entities = actor.entityList().iterator();


        while (entities.hasNext()) {
            Entity entity = (Entity) entities.next();
            delete.append("<deleteEntity name=\"" + entity.getName()
                    + "\" class=\"" + entity.getClass().getName() + "\"/>");
        }


        Iterator relations = actor.relationList().iterator();


        while (relations.hasNext()) {

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        // Fix port associations.
        Iterator entities = result.entityList().iterator();


        while (entities.hasNext()) {
            Entity insideEntity = (Entity) entities.next();
            Iterator ports = result.portList().iterator();


            while (ports.hasNext()) {
                MirrorPort port = (MirrorPort) ports.next();
                Port insidePort = insideEntity.getPort(port.getName());


                if (insidePort instanceof MirrorPort) {
                    port.setAssociatedPort((MirrorPort) insidePort);
                }
            }

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                        String portName = castPort.getName();
                        Iterator entities = entityList().iterator();


                        if (entities.hasNext()) {
                            Entity insideEntity = (Entity) entities.next();
                            Port insidePort = insideEntity.getPort(portName);


                            if (insidePort == null) {
                                insidePort = insideEntity.newPort(portName);


                                if (insidePort instanceof IOPort) {
                                    IOPort castInsidePort = (IOPort) insidePort;
                                    castInsidePort.setInput(castPort.isInput());
                                    castInsidePort.setOutput(castPort

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        }


        Iterator entities = entityList().iterator();


        while (entities.hasNext()) {
            Entity insideEntity = (Entity) entities.next();
            Port insidePort = insideEntity.getPort(port.getName());


            if (insidePort != null) {
                try {
                    insidePort.setContainer(null);
                } catch (KernelException ex) {

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                // Mirror the change in mirror ports.
                MultiCompositeActor container = (MultiCompositeActor) getContainer();
                Iterator entities = container.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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                // Mirror the change in mirror ports.
                MultiCompositeActor container = (MultiCompositeActor) getContainer();
                Iterator entities = container.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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                // Mirror the change in mirror ports.
                MultiCompositeActor container = (MultiCompositeActor) getContainer();
                Iterator entities = container.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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                // Mirror the change in mirror ports.
                MultiCompositeActor container = (MultiCompositeActor) getContainer();
                Iterator entities = container.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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                // Mirror the change in mirror ports.
                MultiCompositeActor container = (MultiCompositeActor) getContainer();
                Iterator entities = container.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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                // The port is being removed from the current container.
                // Remove it from the mirrored ports.
                Iterator entities = model.entityList().iterator();


                while (entities.hasNext()) {
                    Entity entity = (Entity) entities.next();
                    Port mirrorPort = entity.getPort(getName());


                    if (mirrorPort instanceof RefinementPort) {
                        RefinementPort castPort = (RefinementPort) mirrorPort;
                        boolean disableStatus = castPort._mirrorDisable;

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