TriggerAdapter.java

/*******************************************************************************
 * Copyright (c) 2010-2013, Embraer S.A., Budapest University of Technology and Economics
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution, and is available at 
 * http://www.eclipse.org/legal/epl-v10.html 
 *
 * Contributors: 
 *     Marton Bur, Abel Hegedus, Akos Horvath - initial API and implementation 
 *******************************************************************************/
package hu.bme.mit.massif.simulink.api.adapter.port;

import hu.bme.mit.massif.communication.command.MatlabCommand;
import hu.bme.mit.massif.communication.command.MatlabCommandFactory;
import hu.bme.mit.massif.communication.datatype.Handle;
import hu.bme.mit.massif.communication.datatype.IVisitableMatlabData;
import hu.bme.mit.massif.communication.datatype.MatlabString;
import hu.bme.mit.massif.simulink.Block;
import hu.bme.mit.massif.simulink.EnableStates;
import hu.bme.mit.massif.simulink.InPort;
import hu.bme.mit.massif.simulink.InPortBlock;
import hu.bme.mit.massif.simulink.OutPortBlock;
import hu.bme.mit.massif.simulink.Port;
import hu.bme.mit.massif.simulink.PortBlock;
import hu.bme.mit.massif.simulink.SimulinkFactory;
import hu.bme.mit.massif.simulink.Trigger;
import hu.bme.mit.massif.simulink.TriggerBlock;
import hu.bme.mit.massif.simulink.TriggerType;
import hu.bme.mit.massif.simulink.api.Importer;

import java.util.Map;
import java.util.Set;

public class TriggerAdapter implements IPortAdapter {

    @SuppressWarnings("unchecked")
    @Override
    public Port createPort(Block parent, IVisitableMatlabData currentPortHandle, Map<Double, ? extends Port> inPorts) {
        InPort port = SimulinkFactory.eINSTANCE.createTrigger();
        parent.getPorts().add(port);
        ((Map<Double, InPort>) inPorts).put(Handle.getHandleData(currentPortHandle), port);
        return port;
    }

    @Override
    public PortBlock connectToBlock(Port port, IVisitableMatlabData portHandle, Integer portNum,
            Set<InPortBlock> inPortBlockSet, Set<OutPortBlock> outPortBlockSet, Importer traverser) {
        // The type is known more specifically
        Trigger trigger = (Trigger) port;
        MatlabCommandFactory commandFactory = traverser.getCommandFactory();

        // In the following Enable port specific setting is set
        // They should be set, even the internal blocks are not processed,
        // so that the corresponding EnablePort block is queried from MATLAB directly

        // Retrieve the name of the port's parent (the block to whom belongs the port)
        MatlabCommand getPortParentName = commandFactory.getParam().addParam(portHandle).addParam("Parent");
        String portParentName = MatlabString.getMatlabStringData(getPortParentName.execute());

        // Get the TiggerPort block's handle - this sould exist, while there was an enable port on
        // the parent
        MatlabCommand findTriggerPortBlockHandle = commandFactory.findSystem().addParam(portParentName).addParam("SearchDepth").addParam(1.0)
                .addParam("LookUnderMasks").addParam("all").addParam("FindAll").addParam("on").addParam("BlockType")
                .addParam("TriggerPort");
        IVisitableMatlabData triggerPortBlockHandle = findTriggerPortBlockHandle.execute();

        // Query states when enabling parameter
        MatlabCommand getStatesWhenEnabling = commandFactory.getParam().addParam(triggerPortBlockHandle).addParam("StatesWhenEnabling");
        String statesWhenEnabling = MatlabString.getMatlabStringData(getStatesWhenEnabling.execute());
        trigger.setStatesWhenEnabling(EnableStates.getByName(statesWhenEnabling.toUpperCase()));

        // Query trigger type from the trigger block
        MatlabCommand getTriggerType = commandFactory.getParam().addParam(triggerPortBlockHandle).addParam("TriggerType");
        String triggerType = MatlabString.getMatlabStringData(getTriggerType.execute());
        trigger.setTriggerType(TriggerType.getByName(triggerType.toUpperCase()));

        PortBlock portBlock = null;
        for (InPortBlock inPortBlock : (Set<InPortBlock>) inPortBlockSet) {
            if (inPortBlock instanceof TriggerBlock) {
                portBlock = inPortBlock;
            }
        }
        return portBlock;
    }

}