Examples with Port verdict.vdm.vdm_model.Port used on opensource projects

Example 1 with Port

use of verdict.vdm.vdm_model.Port in project VERDICT by ge-high-assurance.

the class Aadl2Vdm method translateProcessTypeObjects.

// End of translateAbstractTypeObjects
/**
 * Analyzing each processType:
 * 1. Determine if it is a lower-level system or higher-level system
 * 2. If lower-level, add to componentType list attribute of Model
 * 	2.1 Populate the port, contract, cyberRel, safetyRel, event, id, compCategory
 *      fields of componentType of the Model object
 * 3. If higher-level, assign to Model
 * 	3.1 Populate the safetyReq
 *      cyberReq, mission fields of Model object
 * @param processTypes
 * @param m1
 * @return
 */
public Model translateProcessTypeObjects(List<ProcessType> processTypes, Model m1, HashSet<String> dataTypeDecl) {
    for (ProcessType prcsType : processTypes) {
        // variables for unpacking prcsType
        List<Event> events = new ArrayList<>();
        List<CyberMission> missionReqs = new ArrayList<>();
        List<CyberRel> cyberRels = new ArrayList<>();
        List<SafetyRel> safetyRels = new ArrayList<>();
        List<CyberReq> cyberReqs = new ArrayList<>();
        List<SafetyReq> safetyReqs = new ArrayList<>();
        // a flag to check if a higher -level component has already been found
        boolean higher_flag = false;
        // unpacking prcsType
        for (AnnexSubclause annex : prcsType.getOwnedAnnexSubclauses()) {
            if (annex.getName().equalsIgnoreCase("verdict")) {
                Verdict verdictAnnex = VerdictUtil.getVerdict(annex);
                for (Statement statement : verdictAnnex.getElements()) {
                    if (statement instanceof Event) {
                        events.add((Event) statement);
                    } else if (statement instanceof CyberMission) {
                        missionReqs.add((CyberMission) statement);
                    } else if (statement instanceof CyberReq) {
                        cyberReqs.add((CyberReq) statement);
                    } else if (statement instanceof CyberRel) {
                        cyberRels.add((CyberRel) statement);
                    } else if (statement instanceof SafetyReq) {
                        safetyReqs.add((SafetyReq) statement);
                    } else if (statement instanceof SafetyRel) {
                        safetyRels.add((SafetyRel) statement);
                    }
                }
            }
        }
        /**
         *  For every ProcessType,
         *  populate the id, name, compCateg, port, event,
         *  cyberRel, and safetyRel fields of componentType
         *  and add it to the list of componentType
         *  of the Model object
         */
        if (true) {
            // No Filter-- do for all System Types
            // to pack the memType as a VDM component
            verdict.vdm.vdm_model.ComponentType packComponent = new verdict.vdm.vdm_model.ComponentType();
            // Note: Not populating "contract" for now
            // ISSUE: There is no getId() function for memoryType
            packComponent.setId(prcsType.getQualifiedName());
            // populating "name"
            packComponent.setName(prcsType.getName());
            // populating "compCateg"
            packComponent.setCompCateg(prcsType.getCategory().getName());
            // ISSUE: no getOwnedBusAccesses
            // get all data accesses and store them as ports
            List<DataAccess> dataAccesses = prcsType.getOwnedDataAccesses();
            // checking each dataAccess's details and adding it to the port list
            for (DataAccess dataAccess : dataAccesses) {
                String portName = dataAccess.getName();
                String modeString = "in";
                if (dataAccess.getKind() == AccessType.PROVIDES) {
                    modeString = "providesDataAccess";
                } else if (dataAccess.getKind() == AccessType.REQUIRES) {
                    modeString = "requiresDataAccess";
                }
                verdict.vdm.vdm_model.Port newPort = createVdmPort(portName, modeString, dataAccess.getQualifiedName());
                // Note: Not populating "type" for now
                // ISSUE: "probe", "event", and "id" not found in DataPort class or superclass
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // End of checking each dataAccess
            // get all ports
            List<DataPort> dataPorts = prcsType.getOwnedDataPorts();
            // checking each port's mode and name and adding it to the port list
            for (DataPort dataPort : dataPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmPort(dataPort, m1, dataTypeDecl);
                // Note: Not populating "type" for now
                // ISSUE: "probe", "event", and "id" not found in DataPort class or superclass
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // End of checking each port
            // get all event data ports
            List<EventDataPort> eventDataPorts = prcsType.getOwnedEventDataPorts();
            for (EventDataPort eventDataPort : eventDataPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmPort(eventDataPort, m1, dataTypeDecl);
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // get all event ports
            List<EventPort> eventPorts = prcsType.getOwnedEventPorts();
            for (EventPort eventPort : eventPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmEventPort(eventPort);
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // packing all events and adding to component
            for (Event anEvent : events) {
                // To pack the event as a VDM event
                verdict.vdm.vdm_model.Event packEvent = createVdmEvent(anEvent);
                // adding to the list of component's events
                packComponent.getEvent().add(packEvent);
            }
            // packing all cyberRels and adding to component
            for (CyberRel aCyberRel : cyberRels) {
                // To pack the cyberRel as a VDM event
                verdict.vdm.vdm_model.CyberRel packCyberRel = createVdmCyberRel(aCyberRel);
                // adding to the list of component's Cyber relations
                packComponent.getCyberRel().add(packCyberRel);
            }
            // packing all safetyRels and adding to component
            for (SafetyRel aSafetyRel : safetyRels) {
                // To pack the safetyRel as a VDM event
                verdict.vdm.vdm_model.SafetyRel packSafetyRel = createVdmSafetyRel(aSafetyRel);
                // adding to the list of component's Safety relations
                packComponent.getSafetyRel().add(packSafetyRel);
            }
            // End of packing all safetyRels
            // adding to the list of componenmemTypes of the Model object
            m1.getComponentType().add(packComponent);
        }
        /**
         * If a high-level system
         *  populate the name, safetyReq, cyberReq, and mission
         *  for the model object
         */
        if (!cyberReqs.isEmpty() || !safetyReqs.isEmpty() || !missionReqs.isEmpty()) {
            // checking if a high-level system has already been found
            if (higher_flag == false) {
                higher_flag = true;
            } else {
                System.out.println("Warning: Multiple high-level systems detected!");
            }
            // populating name
            m1.setName(prcsType.getName());
            // packing all safetyReqs and adding to model
            for (SafetyReq aSafetyReq : safetyReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.SafetyReq packSafetyReq = createVdmSafetyReq(aSafetyReq, prcsType.getFullName());
                // adding to the list of model's Safety requirements
                m1.getSafetyReq().add(packSafetyReq);
            }
            // packing all cyberReqs and adding to model
            for (CyberReq aCyberReq : cyberReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.CyberReq packCyberReq = createVdmCyberReq(aCyberReq, prcsType.getFullName());
                // adding to the list of model's Cyber requirements
                m1.getCyberReq().add(packCyberReq);
            }
            // packing all missionReqs and adding to model
            for (CyberMission aMission : missionReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.Mission packMission = createVdmMission(aMission);
                // adding to the list of model's Mission
                m1.getMission().add(packMission);
            }
        // End of packing all missionReqs
        }
    // End of if a higher-level system
    }
    // returning the populated Model
    return m1;
}

Example 2 with Port

use of verdict.vdm.vdm_model.Port in project VERDICT by ge-high-assurance.

the class Aadl2Vdm method translateProcessorTypeObjects.

// End of translateVirtualProcessorTypeObjects
/**
 * Analyzing each processorType:
 * 1. Determine if it is a lower-level system or higher-level system
 * 2. If lower-level, add to componentType list attribute of Model
 * 	2.1 Populate the port, contract, cyberRel, safetyRel, event, id, compCategory
 *      fields of componentType of the Model object
 * 3. If higher-level, assign to Model
 * 	3.1 Populate the safetyReq
 *      cyberReq, mission fields of Model object
 * @param processorTypes
 * @param m1
 * @return
 */
public Model translateProcessorTypeObjects(List<ProcessorType> processorTypes, Model m1, HashSet<String> dataTypeDecl) {
    for (ProcessorType proType : processorTypes) {
        // variables for unpacking proType
        List<Event> events = new ArrayList<>();
        List<CyberMission> missionReqs = new ArrayList<>();
        List<CyberRel> cyberRels = new ArrayList<>();
        List<SafetyRel> safetyRels = new ArrayList<>();
        List<CyberReq> cyberReqs = new ArrayList<>();
        List<SafetyReq> safetyReqs = new ArrayList<>();
        // a flag to check if a higher -level component has already been found
        boolean higher_flag = false;
        // unpacking proType
        for (AnnexSubclause annex : proType.getOwnedAnnexSubclauses()) {
            if (annex.getName().equalsIgnoreCase("verdict")) {
                Verdict verdictAnnex = VerdictUtil.getVerdict(annex);
                for (Statement statement : verdictAnnex.getElements()) {
                    if (statement instanceof Event) {
                        events.add((Event) statement);
                    } else if (statement instanceof CyberMission) {
                        missionReqs.add((CyberMission) statement);
                    } else if (statement instanceof CyberReq) {
                        cyberReqs.add((CyberReq) statement);
                    } else if (statement instanceof CyberRel) {
                        cyberRels.add((CyberRel) statement);
                    } else if (statement instanceof SafetyReq) {
                        safetyReqs.add((SafetyReq) statement);
                    } else if (statement instanceof SafetyRel) {
                        safetyRels.add((SafetyRel) statement);
                    }
                }
            }
        }
        /**
         *  For every ProcessorType,
         *  populate the id, name, compCateg, port, event,
         *  cyberRel, and safetyRel fields of componentType
         *  and add it to the list of componentType
         *  of the Model object
         */
        if (true) {
            // No Filter-- do for all System Types
            // to pack the memType as a VDM component
            verdict.vdm.vdm_model.ComponentType packComponent = new verdict.vdm.vdm_model.ComponentType();
            // Note: Not populating "contract" for now
            // ISSUE: There is no getId() function for memoryType
            packComponent.setId(proType.getQualifiedName());
            // populating "name"
            packComponent.setName(proType.getName());
            // populating "compCateg"
            packComponent.setCompCateg(proType.getCategory().getName());
            // get all bus accesses and store them as ports
            List<BusAccess> busAccesses = proType.getOwnedBusAccesses();
            // checking each busAccess's details and adding it to the port list
            for (BusAccess busAccess : busAccesses) {
                String portName = busAccess.getName();
                String modeString = "in";
                if (busAccess.getKind() == AccessType.PROVIDES) {
                    modeString = "providesBusAccess";
                } else if (busAccess.getKind() == AccessType.REQUIRES) {
                    modeString = "requiresBusAccess";
                }
                verdict.vdm.vdm_model.Port newPort = createVdmPort(portName, modeString, busAccess.getQualifiedName());
                // Note: Not populating "type" for now
                // ISSUE: "probe", "event", and "id" not found in DataPort class or superclass
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // End of checking each busAccess
            // ISSUE: no getOwnedDataAccess for processorType
            // get all ports
            List<DataPort> dataPorts = proType.getOwnedDataPorts();
            // checking each port's mode and name and adding it to the port list
            for (DataPort dataPort : dataPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmPort(dataPort, m1, dataTypeDecl);
                // ISSUE: "probe", "event", and "id" not found in DataPort class or superclass
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // End of checking each port
            // get all event data ports
            List<EventDataPort> eventDataPorts = proType.getOwnedEventDataPorts();
            for (EventDataPort eventDataPort : eventDataPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmPort(eventDataPort, m1, dataTypeDecl);
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // get all event ports
            List<EventPort> eventPorts = proType.getOwnedEventPorts();
            for (EventPort eventPort : eventPorts) {
                verdict.vdm.vdm_model.Port newPort = createVdmEventPort(eventPort);
                // add to port list of component
                packComponent.getPort().add(newPort);
            }
            // packing all events and adding to component
            for (Event anEvent : events) {
                // To pack the event as a VDM event
                verdict.vdm.vdm_model.Event packEvent = createVdmEvent(anEvent);
                // adding to the list of component's events
                packComponent.getEvent().add(packEvent);
            }
            // packing all cyberRels and adding to component
            for (CyberRel aCyberRel : cyberRels) {
                // To pack the cyberRel as a VDM event
                verdict.vdm.vdm_model.CyberRel packCyberRel = createVdmCyberRel(aCyberRel);
                // adding to the list of component's Cyber relations
                packComponent.getCyberRel().add(packCyberRel);
            }
            // packing all safetyRels and adding to component
            for (SafetyRel aSafetyRel : safetyRels) {
                // To pack the safetyRel as a VDM event
                verdict.vdm.vdm_model.SafetyRel packSafetyRel = createVdmSafetyRel(aSafetyRel);
                // adding to the list of component's Safety relations
                packComponent.getSafetyRel().add(packSafetyRel);
            }
            // End of packing all safetyRels
            // adding to the list of componenmemTypes of the Model object
            m1.getComponentType().add(packComponent);
        }
        /**
         * If a high-level system
         *  populate the name, safetyReq, cyberReq, and mission
         *  for the model object
         */
        if (!cyberReqs.isEmpty() || !safetyReqs.isEmpty() || !missionReqs.isEmpty()) {
            // checking if a high-level system has already been found
            if (higher_flag == false) {
                higher_flag = true;
            } else {
                System.out.println("Warning: Multiple high-level systems detected!");
            }
            // populating name
            m1.setName(proType.getName());
            // packing all safetyReqs and adding to model
            for (SafetyReq aSafetyReq : safetyReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.SafetyReq packSafetyReq = createVdmSafetyReq(aSafetyReq, proType.getFullName());
                // adding to the list of model's Safety requirements
                m1.getSafetyReq().add(packSafetyReq);
            }
            // packing all cyberReqs and adding to model
            for (CyberReq aCyberReq : cyberReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.CyberReq packCyberReq = createVdmCyberReq(aCyberReq, proType.getFullName());
                // adding to the list of model's Cyber requirements
                m1.getCyberReq().add(packCyberReq);
            }
            // packing all missionReqs and adding to model
            for (CyberMission aMission : missionReqs) {
                // To pack the safettReq as a VDM event
                verdict.vdm.vdm_model.Mission packMission = createVdmMission(aMission);
                // adding to the list of model's Mission
                m1.getMission().add(packMission);
            }
        // End of packing all missionReqs
        }
    // End of if a higher-level system
    }
    // returning the populated Model
    return m1;
}

Example 3 with Port

use of verdict.vdm.vdm_model.Port in project VERDICT by ge-high-assurance.

the class Aadl2Vdm method createVdmPort.

/**
 * @author Vidhya Tekken Valapil
 * Creates a new Vdm Port object and returns
 * Populates "name", "mode" and "type"
 * @param eventdataport
 * @return vdm port
 */
private Port createVdmPort(EventDataPort dataPort, Model model, HashSet<String> dataTypeDecl) {
    String modeString = "in";
    if (dataPort.isIn()) {
        modeString = "in";
    } else if (dataPort.isOut()) {
        modeString = "out";
    }
    // fetching data type information
    DataSubcomponentType dSubCompType = dataPort.getDataFeatureClassifier();
    verdict.vdm.vdm_model.Port newPort = new verdict.vdm.vdm_model.Port();
    if (dSubCompType != null) {
        verdict.vdm.vdm_data.DataType dtype = new verdict.vdm.vdm_data.DataType();
        if (dSubCompType instanceof DataTypeImpl) {
            org.osate.aadl2.DataType aadlDType = (org.osate.aadl2.DataType) dSubCompType;
            dtype = resolveAADLDataType(aadlDType, model, dataTypeDecl);
        } else if (dSubCompType instanceof DataImplementationImpl) {
            org.osate.aadl2.DataImplementation aadlDImpl = (org.osate.aadl2.DataImplementation) dSubCompType;
            dtype = resolveAADLDataImplementationType(aadlDImpl, model, dataTypeDecl);
        } else {
            System.out.println("Unresolved/unexpected Named Element.");
        }
        newPort.setType(dtype);
    }
    newPort.setProbe(false);
    newPort.setId(dataPort.getQualifiedName());
    newPort.setName(dataPort.getName());
    newPort.setMode(convertToVdmPortMode(modeString));
    newPort.setEvent(true);
    return newPort;
}

Example 4 with Port

use of verdict.vdm.vdm_model.Port in project VERDICT by ge-high-assurance.

the class VDMInstrumentor method isProbePort.

protected boolean isProbePort(Connection con) {
    if (con != null) {
        ConnectionEnd dest_con = con.getDestination();
        Port dstPort = dest_con.getComponentPort();
        if (dstPort == null) {
            CompInstancePort instancePort = dest_con.getSubcomponentPort();
            dstPort = instancePort.getPort();
        }
        if (dstPort.isProbe()) {
            return true;
        }
    }
    return false;
}

Example 5 with Port

use of verdict.vdm.vdm_model.Port in project VERDICT by ge-high-assurance.

the class VDMInstrumentor method instrument_link.

// public void instrument_link(Connection connection) {
// // Connection Source
// ConnectionEnd src = connection.getSource();
// 
// // Connection Destination
// ConnectionEnd dest = connection.getDestination();
// 
// // Source Component
// Port src_port = src.getComponentPort();
// // Destination Component
// Port dest_port = dest.getComponentPort();
// 
// if (src_port == null && dest_port == null) {
// // Both are sub-compon
// System.out.println("Both are subcomponents.");
// }
// if (src_port == null && dest_port != null) {
// // Only one is Subcomponent
// System.out.println(dest_port.getId() + " -- " + dest_port.getName());
// }
// if (src_port != null && dest_port == null) {
// // One Subcomponent
// System.out.println(src_port.getId() + " -- " + src_port.getName());
// }
// }
// public void create_link(Connection old_channel, ComponentInstance
// src_componentInstance,
// ComponentInstance dest_componentInstance) {
// 
// ComponentInstance instrumented_componentInstance = new ComponentInstance();
// 
// String component_ID = src_componentInstance.getName() + "_Inst_" +
// dest_componentInstance.getName();
// instrumented_componentInstance.setId(component_ID + "_Instance");
// instrumented_componentInstance.setName(component_ID);
// 
// instrumented_componentInstance.setSpecification(value);
// instrumented_componentInstance.setImplementation(value);
// 
// ComponentType instrumented_component = new ComponentType();
// instrumented_component.setId(component_ID);
// instrumented_component.setName(component_ID);
// 
// 
// 
// Connection inst_channel = new Connection();
// 
// //Update Old connection Destination
// old_channel.setDestination(value);
// 
// //Add New Connection Source
// inst_channel.setSource(value);
// //Add New Connection Destination
// inst_channel.setDestination(value);
// 
// 
// }
public String instrument_link(String compID, Connection connection, BlockImpl blockImpl) {
    // instrument_link(connection);
    // System.out.println("Instrumented Link ***" + connection.getName());
    // Default Block Implementation
    ComponentImpl compImpl = null;
    if (compID != null) {
        compImpl = retrieve_cmp_impl(compID);
    }
    // Connections without Components Instrumentation.
    if (compImpl == null) {
        compImpl = retrieve_main_cmp_impl();
    }
    ComponentType instrumented_cmp = new ComponentType();
    // R.H.S
    ConnectionEnd src = connection.getSource();
    ComponentInstance src_componentInstance = new ComponentInstance();
    // Source Connection
    Port src_port = src.getComponentPort();
    if (src_port != null) {
        String identifier = compImpl.getId();
        // identifier = identifier.replace(".I", "_I");
        identifier = identifier.replace(".", "_dot_");
        identifier = identifier.replace("::", "_double_colon_");
        src_componentInstance.setId(identifier);
        src_componentInstance.setName(identifier);
        src_componentInstance.setImplementation(compImpl);
    }
    // if (src_port == instrumented_port) {
    CompInstancePort compInstancePort = src.getSubcomponentPort();
    if (compInstancePort != null) {
        src_componentInstance = compInstancePort.getSubcomponent();
        src_port = compInstancePort.getPort();
    }
    // R.H.S
    ConnectionEnd dest = connection.getDestination();
    ComponentInstance dest_componentInstance = new ComponentInstance();
    // Source Connection
    Port dest_port = dest.getComponentPort();
    if (dest_port != null) {
        String identifier = compImpl.getId();
        // identifier = identifier.replace(".I", "_I");
        identifier = identifier.replace(".", "_dot_");
        identifier = identifier.replace("::", "_double_colon_");
        dest_componentInstance.setId(identifier);
        dest_componentInstance.setName(identifier);
        dest_componentInstance.setImplementation(compImpl);
    }
    // if (dest_port == instrumented_port) {
    compInstancePort = dest.getSubcomponentPort();
    if (compInstancePort != null) {
        dest_componentInstance = compInstancePort.getSubcomponent();
        dest_port = compInstancePort.getPort();
    }
    String instrument_cmp_Id = src_componentInstance.getName() + "_Inst_" + dest_componentInstance.getName() + "_port_" + dest_port.getName();
    instrument_cmp_Id = instrument_cmp_Id.replace(".", "_dot_");
    // Setting Component IDs
    instrumented_cmp.setId(instrument_cmp_Id);
    instrumented_cmp.setName(instrument_cmp_Id);
    // output port
    Port instrumented_port_dest = new Port();
    instrumented_port_dest.setId(dest_port.getId());
    instrumented_port_dest.setName(dest_port.getName());
    instrumented_port_dest.setMode(dest_port.getMode());
    instrumented_port_dest.setType(dest_port.getType());
    if (dest_port.isEvent() != null && dest_port.isEvent()) {
        instrumented_port_dest.setEvent(true);
    } else {
        instrumented_port_dest.setEvent(false);
    }
    instrumented_cmp.getPort().add(instrumented_port_dest);
    // Input port
    Port instrumented_port_src = new Port();
    instrumented_port_src.setId(src_port.getId());
    instrumented_port_src.setName(src_componentInstance + "_port_" + src_port.getName());
    instrumented_port_src.setMode(src_port.getMode());
    if (src_port.isEvent() != null && src_port.isEvent()) {
        instrumented_port_src.setEvent(true);
    } else {
        instrumented_port_src.setEvent(false);
    }
    String global_constant_Id = src_componentInstance.getName();
    if (instrumented_port_src.getMode() == instrumented_port_dest.getMode()) {
        instrumented_port_src.setName(src_port.getName());
        if (instrumented_port_src.getMode() == PortMode.IN) {
            instrumented_port_src.setMode(PortMode.OUT);
        } else {
            instrumented_port_dest.setMode(PortMode.IN);
        }
    } else {
        instrumented_port_src.setName(src_port.getName());
    }
    if (dest_port.getMode() == PortMode.OUT) {
        global_constant_Id += "_port_" + dest_port.getName() + "_instrumented";
    } else {
        global_constant_Id += "_port_" + src_port.getName() + "_instrumented";
    }
    instrumented_port_src.setType(dest_port.getType());
    instrumented_cmp.getPort().add(instrumented_port_src);
    vdm_model.getComponentType().add(instrumented_cmp);
    // Modify connection.
    ConnectionEnd con_end_inst = new ConnectionEnd();
    // instrumentd_port.setPort(value);
    ComponentInstance instrumented_compInstance = new ComponentInstance();
    instrumented_compInstance.setId(connection.getName());
    instrumented_compInstance.setName(connection.getName());
    instrumented_compInstance.setSpecification(instrumented_cmp);
    // -----------------------------------------
    // Adding Auxiliary Node.
    NodeCall nodeCall = new NodeCall();
    nodeCall.setNodeId(instrumented_cmp.getId());
    Expression callExpr = new Expression();
    callExpr.setCall(nodeCall);
    ContractItem true_guarantee_item = new ContractItem();
    // true_guarantee_item.setName("true");
    Expression true_expr = new Expression();
    Boolean true_lit = Boolean.TRUE;
    true_expr.setBoolLiteral(true_lit);
    true_guarantee_item.setExpression(true_expr);
    ContractSpec contractSpec = new ContractSpec();
    contractSpec.getGuarantee().add(true_guarantee_item);
    // ---------------------------------------------
    ComponentImpl instrument_compImpl = new ComponentImpl();
    instrument_compImpl.setId(instrumented_cmp.getId() + "_dot_impl");
    instrument_compImpl.setName(instrumented_cmp.getName() + "_dot_Impl");
    instrument_compImpl.setType(instrumented_cmp);
    IfThenElse ifelse = new IfThenElse();
    // Condition
    Expression cond_expr = new Expression();
    global_constant_Id = global_constant_Id.replace(".", "_dot_");
    cond_expr.setIdentifier(global_constant_Id);
    ifelse.setCondition(cond_expr);
    // Then
    Expression then_arg = new Expression();
    then_arg.setIdentifier(dest_port.getName());
    ifelse.setThenBranch(callExpr);
    // Else
    Expression else_arg = new Expression();
    else_arg.setIdentifier(dest_port.getName());
    nodeCall.getArgument().add(else_arg);
    ifelse.setElseBranch(then_arg);
    Expression instrumented_expr = new Expression();
    instrumented_expr.setConditionalExpression(ifelse);
    NodeEquation n_eq = new NodeEquation();
    NodeEquationLHS neq_lhs = new NodeEquationLHS();
    neq_lhs.getIdentifier().add(src_port.getName() + "_instrumented");
    n_eq.setLhs(neq_lhs);
    n_eq.setRhs(instrumented_expr);
    NodeBody nodeBody = new NodeBody();
    // VariableDeclaration cond_var = new VariableDeclaration();
    // cond_var.setName(gloabal_constant_Id);
    // DataType dataType = new DataType();
    // dataType.setPlainType(PlainType.BOOL);
    // cond_var.setDataType(dataType);
    // nodeBody.getVariableDeclaration().add(cond_var);
    nodeBody.setIsMain(false);
    nodeBody.getEquation().add(n_eq);
    instrument_compImpl.setDataflowImpl(nodeBody);
    instrumented_compInstance.setImplementation(instrument_compImpl);
    vdm_model.getComponentImpl().add(instrument_compImpl);
    vdm_model.getComponentType().add(instrumented_cmp);
    // -----------------------------------------
    CompInstancePort compInstance_inst_port = new CompInstancePort();
    compInstance_inst_port.setPort(dest_port);
    compInstance_inst_port.setSubcomponent(instrumented_compInstance);
    con_end_inst.setSubcomponentPort(compInstance_inst_port);
    blockImpl.getSubcomponent().add(instrumented_compInstance);
    connection.setDestination(con_end_inst);
    Connection new_con = new Connection();
    // Copying connection related artifacts
    new_con.setName(connection.getName() + "_instrumented_channel");
    // new_con.setConnType(connection.getConnType());
    // new_con.setFlowType(connection.getFlowType());
    // 
    // new_con.setDataEncrypted(connection.isEncryptedTransmission());
    // new_con.setAuthenticated(connection.isAuthenticated());
    new_con.setSource(con_end_inst);
    compInstance_inst_port.setPort(src_port);
    new_con.setDestination(dest);
    blockImpl.getConnection().add(new_con);
    return global_constant_Id;
}