Examples with Instance org.wso2.carbon.bpel.core.ode.integration.jmx.Instance used on opensource projects

Example 56 with Instance

use of org.wso2.carbon.bpel.core.ode.integration.jmx.Instance in project carbon-business-process by wso2.

the class IfImpl method getArrows.

/**
 * Get the arrow coordinates of the activities
 *
 * @param doc SVG document which defines the components including shapes, gradients etc. of the activity
 * @return An element which contains the arrow coordinates of the If activity and its subActivities
 */
protected Element getArrows(SVGDocument doc) {
    if (subActivities != null) {
        ActivityInterface prevActivity = null;
        ActivityInterface prevElseActivity = null;
        ActivityInterface activity = null;
        ActivityInterface seqActivity = null;
        boolean throwOrNot = true;
        String id = null;
        // Coordinates of the start icon exit arrow
        SVGCoordinates myStartCoords = getStartIconExitArrowCoords();
        // Coordinates of the end icon entry arrow
        SVGCoordinates myExitCoords = getEndIconEntryArrowCoords();
        // Coordinates of the Else activity start icon entry arrow
        SVGCoordinates myStartElseCoords = getStartIconElseArrowCoords();
        SVGCoordinates exitCoords = null;
        SVGCoordinates activityEntryCoords = null;
        SVGCoordinates activityExitCoords = null;
        Iterator<ActivityInterface> itr = subActivities.iterator();
        Element subGroup = doc.createElementNS(SVGNamespace.SVG_NAMESPACE, "g");
        // Iterates through all the subActivities
        while (itr.hasNext()) {
            activity = itr.next();
            // Gets the entry and exit coordinates of the iterated activity
            activityEntryCoords = activity.getEntryArrowCoords();
            activityExitCoords = activity.getExitArrowCoords();
            // Checks if the iterated activity is an instance of ElseIf or Else activity
            if (activity instanceof ElseIfImpl || activity instanceof ElseImpl) {
                // Checks whether there is a  previous activity and if so whether that activity is an ElseIf
                if (prevActivity != null && prevActivity instanceof ElseIfImpl) {
                    // Get the exit arrow coordinates of the ElseIf activity
                    exitCoords = ((ElseIfInterface) prevActivity).getNextElseExitArrowCoords();
                    // id is assigned with the id of the previous activity + id of the current activity
                    id = prevActivity.getId() + "-" + activity.getId();
                    // Checks whether the activity is an instance of Else
                    if (activity instanceof ElseImpl) {
                        // Gets the boolean value assigned inside ElseImpl when a throw activity is in Else
                        boolean check = ((ElseImpl) activity).throwOrNot;
                        // Define the entry arrow flow coordinates for the activity
                        subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), activityEntryCoords.getXLeft() - getEndIconWidth() / 2, exitCoords.getYTop(), id));
                        // If there is a Throw activity inside Else, no exit arrow from Throw activity
                        if (check != true) {
                            subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                        }
                    } else if (activity instanceof ElseIfImpl) {
                        // Checks whether the activity is an instance of ElseIf
                        // Gets the boolean value assigned inside ElseIfImpl when a throw activity is in ElseIf
                        boolean check = ((ElseIfImpl) activity).throwOrNot;
                        // Define the entry arrow flow coordinates for the activity
                        subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                        // If there is a Throw activity inside ElseIf, no exit arrow from Throw activity
                        if (check != true) {
                            subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                        }
                    } else {
                        // Entry and exit arrow flows defined for other activities except for instances of Elseif and
                        // Else
                        subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                        subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                    }
                } else if (prevActivity instanceof ThrowImpl && activity instanceof ElseImpl) {
                    // IF conditon fifnished --> ELSE IF ( previous activity is null and its is not an instance of
                    // ElseIf)
                    /*Checks if the previous activity is a Throw and if the current activity an Else, if so no exit
                        arrow flows only entry arrow flows.
                        */
                    subGroup.appendChild(getArrowDefinition(doc, myStartElseCoords.getXLeft(), myStartElseCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                } else if (activity instanceof ElseIfImpl) {
                    // Checks whether the activity is an instance of ElseIf
                    // Gets the boolean value assigned inside ElseIfImpl when a throw activity is in ElseIf
                    boolean check = ((ElseIfImpl) activity).throwOrNot;
                    // Define the entry arrow flow coordinates for the activity
                    subGroup.appendChild(getArrowDefinition(doc, myStartElseCoords.getXLeft(), myStartElseCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                    // If there is a Throw activity inside ElseIf, no exit arrow from Throw activity
                    if (check != true) {
                        subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                    }
                } else if (activity instanceof ElseImpl) {
                    // Checks whether the activity is an instance of Else
                    // Gets the boolean value assigned inside ElseIfImpl when a throw activity is in Else
                    boolean check = ((ElseImpl) activity).throwOrNot;
                    // Define the entry arrow flow coordinates for the activity
                    subGroup.appendChild(getArrowDefinition(doc, myStartElseCoords.getXLeft(), myStartElseCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                    // If there is a Throw activity inside Else, no exit arrow from Throw activity
                    if (check != true) {
                        subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                    }
                } else {
                    id = prevActivity.getId() + "-" + activity.getId();
                    // flows
                    if (activity instanceof ThrowImpl) {
                        subGroup.appendChild(getArrowDefinition(doc, myStartElseCoords.getXLeft(), myStartElseCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                    } else {
                        // Define both the entry and the exit arrow flows to the activity
                        subGroup.appendChild(getArrowDefinition(doc, myStartElseCoords.getXLeft(), myStartElseCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                        subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                    }
                }
            } else if (activity instanceof ThrowImpl) {
                // Checks if the current activity a Throw activity, if so no exit arrow flows only entry arrow flows
                subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
            } else if (activity instanceof SourceImpl || activity instanceof TargetImpl || activity instanceof SourcesImpl || activity instanceof TargetsImpl) {
            // Checks if the current activity a Source/s or Target/s activity, if so no exit or entry arrow flows
            // as no icons are defined
            // No arrow flows for Sources or Targets..
            } else {
                if (prevActivity != null) {
                    // Gets the coordinates of the exit arrows of the previous activity
                    exitCoords = prevActivity.getExitArrowCoords();
                    id = prevActivity.getId() + "-" + activity.getId();
                    // arrow flows as no icons are defined
                    if (prevActivity instanceof SourceImpl || prevActivity instanceof TargetImpl || prevActivity instanceof SourcesImpl || prevActivity instanceof TargetsImpl) {
                    // No arrow flows for Sources or Targets..
                    } else {
                        subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                    }
                } else {
                    // Checks whether the activity is a Sequence
                    if (activity instanceof SequenceImpl) {
                        List<ActivityInterface> sub = activity.getSubActivities();
                        // Iterates through the subActivities
                        Iterator<ActivityInterface> as = sub.iterator();
                        while (as.hasNext()) {
                            seqActivity = as.next();
                            // Checks if the subActivity is a Throw activity
                            if (seqActivity instanceof ThrowImpl) {
                                throwOrNot = true;
                                // if condition breaks if the subActivity is a Throw activity
                                break;
                            } else {
                                throwOrNot = false;
                            }
                        }
                        // If its a Throw activity , no exit arrow flow only entry arrow flow to the activity
                        if (throwOrNot == true) {
                            subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                        } else {
                            // If not, define both the entry and the exit arrow flows to the activity
                            subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                            subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                        }
                    } else {
                        // Define both the entry and the exit arrow flows to the activity
                        subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                        subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
                    }
                }
            }
            // current activity is assigned to the previous activity
            prevActivity = activity;
        }
        return subGroup;
    }
    return null;
}

Example 57 with Instance

use of org.wso2.carbon.bpel.core.ode.integration.jmx.Instance in project carbon-business-process by wso2.

the class IfImpl method isSimpleLayout.

/**
 * @return false- if the subActivities are instances of ElseIf or Else
 * true - otherwise
 */
private boolean isSimpleLayout() {
    boolean simple = true;
    ActivityInterface activity = null;
    // Iterates through the subActivities
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    while (itr.hasNext()) {
        activity = itr.next();
        // if the activity is an instance of ElseIf or Else, break the if condition
        if (activity instanceof ElseIfImpl || activity instanceof ElseImpl) {
            simple = false;
            break;
        }
    }
    return simple;
}

Example 58 with Instance

use of org.wso2.carbon.bpel.core.ode.integration.jmx.Instance in project carbon-business-process by wso2.

the class PNGGenarateServlet method processRequest.

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
 *
 * @param request  servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException      if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    Log log = LogFactory.getLog(PNGGenarateServlet.class);
    HttpSession session = request.getSession(true);
    String pid = CharacterEncoder.getSafeText(request.getParameter("pid"));
    ServletConfig config = getServletConfig();
    String backendServerURL = CarbonUIUtil.getServerURL(config.getServletContext(), session);
    ConfigurationContext configContext = (ConfigurationContext) config.getServletContext().getAttribute(CarbonConstants.CONFIGURATION_CONTEXT);
    String cookie = (String) session.getAttribute(ServerConstants.ADMIN_SERVICE_COOKIE);
    String processDef;
    ProcessManagementServiceClient client;
    SVGInterface svg;
    String svgStr;
    try {
        client = new ProcessManagementServiceClient(cookie, backendServerURL, configContext, request.getLocale());
        // Gets the bpel process definition needed to create the SVG from the processId
        processDef = client.getProcessInfo(QName.valueOf(pid)).getDefinitionInfo().getDefinition().getExtraElement().toString();
        BPELInterface bpel = new BPELImpl();
        // Converts the bpel process definition to an omElement which is how the AXIS2 Object Model (AXIOM)
        // represents an XML document
        OMElement bpelStr = bpel.load(processDef);
        /**
         * Process the OmElement containing the bpel process definition
         * Process the subactivites of the bpel process by iterating through the omElement
         */
        bpel.processBpelString(bpelStr);
        // Create a new instance of the LayoutManager for the bpel process
        LayoutManager layoutManager = BPEL2SVGFactory.getInstance().getLayoutManager();
        // Set the layout of the SVG to vertical
        layoutManager.setVerticalLayout(true);
        // Get the root activity i.e. the Process Activity
        layoutManager.layoutSVG(bpel.getRootActivity());
        svg = new SVGImpl();
        // Set the root activity of the SVG i.e. the Process Activity
        svg.setRootActivity(bpel.getRootActivity());
        // Set the content type of the HTTP response as "image/png"
        response.setContentType("image/png");
        // Create an instance of ServletOutputStream to write the output
        ServletOutputStream sos = response.getOutputStream();
        // Convert the image as a byte array of a PNG
        byte[] pngBytes = svg.toPNGBytes();
        // stream to write binary data into the response
        sos.write(pngBytes);
        sos.flush();
        sos.close();
    } catch (ProcessManagementException e) {
        log.error("PNG Generation Error", e);
    }
}

Example 59 with Instance

use of org.wso2.carbon.bpel.core.ode.integration.jmx.Instance in project carbon-business-process by wso2.

the class ProcessInstanceService method createExecutionVariable.

protected Response createExecutionVariable(Execution execution, boolean override, int variableType, HttpServletRequest httpServletRequest) throws IOException, ServletException {
    boolean debugEnabled = log.isDebugEnabled();
    if (debugEnabled) {
        log.debug("httpServletRequest.getContentType():" + httpServletRequest.getContentType());
    }
    Response.ResponseBuilder responseBuilder = Response.ok();
    if (debugEnabled) {
        log.debug("Processing non binary variable");
    }
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    try {
        if (Utils.isApplicationJsonRequest(httpServletRequest)) {
            ObjectMapper objectMapper = new ObjectMapper();
            @SuppressWarnings("unchecked") List<Object> variableObjects = (List<Object>) objectMapper.readValue(httpServletRequest.getInputStream(), List.class);
            for (Object restObject : variableObjects) {
                RestVariable restVariable = objectMapper.convertValue(restObject, RestVariable.class);
                inputVariables.add(restVariable);
            }
        } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
            JAXBContext jaxbContext;
            try {
                XMLInputFactory xif = XMLInputFactory.newInstance();
                xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
                xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
                XMLStreamReader xsr = xif.createXMLStreamReader(new StreamSource(httpServletRequest.getInputStream()));
                jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
                Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
                RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(xsr);
                if (restVariableCollection == null) {
                    throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable Collection instance.");
                }
                List<RestVariable> restVariableList = restVariableCollection.getRestVariables();
                if (restVariableList.size() == 0) {
                    throw new ActivitiIllegalArgumentException("xml request body could not identify any rest " + "variables to be updated");
                }
                for (RestVariable restVariable : restVariableList) {
                    inputVariables.add(restVariable);
                }
            } catch (JAXBException | IOException e) {
                throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable instance.", e);
            }
        }
    } catch (Exception e) {
        throw new ActivitiIllegalArgumentException("Failed to serialize to a RestVariable instance", e);
    }
    if (inputVariables.size() == 0) {
        throw new ActivitiIllegalArgumentException("Request didn't contain a list of variables to create.");
    }
    RestVariable.RestVariableScope sharedScope = null;
    RestVariable.RestVariableScope varScope;
    Map<String, Object> variablesToSet = new HashMap<>();
    for (RestVariable var : inputVariables) {
        // Validate if scopes match
        varScope = var.getVariableScope();
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        if (varScope == null) {
            varScope = RestVariable.RestVariableScope.LOCAL;
        }
        if (sharedScope == null) {
            sharedScope = varScope;
        }
        if (varScope != sharedScope) {
            throw new ActivitiIllegalArgumentException("Only allowed to update multiple variables in the same scope.");
        }
        if (!override && hasVariableOnScope(execution, var.getName(), varScope)) {
            throw new BPMNConflictException("Variable '" + var.getName() + "' is already present on execution '" + execution.getId() + "'.");
        }
        RestResponseFactory restResponseFactory = new RestResponseFactory();
        Object actualVariableValue = restResponseFactory.getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(restResponseFactory.createRestVariable(var.getName(), actualVariableValue, varScope, execution.getId(), variableType, false, uriInfo.getBaseUri().toString()));
    }
    if (!variablesToSet.isEmpty()) {
        RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
        if (sharedScope == RestVariable.RestVariableScope.LOCAL) {
            runtimeService.setVariablesLocal(execution.getId(), variablesToSet);
        } else {
            if (execution.getParentId() != null) {
                // Explicitly set on parent, setting non-local variables on execution itself will override local-variables if exists
                runtimeService.setVariables(execution.getParentId(), variablesToSet);
            } else {
                // Standalone task, no global variables possible
                throw new ActivitiIllegalArgumentException("Cannot set global variables on execution '" + execution.getId() + "', task is not part of process.");
            }
        }
    }
    RestVariableCollection restVariableCollection = new RestVariableCollection();
    restVariableCollection.setRestVariables(resultVariables);
    responseBuilder.entity(restVariableCollection);
    // }
    return responseBuilder.status(Response.Status.CREATED).build();
}

Example 60 with Instance

use of org.wso2.carbon.bpel.core.ode.integration.jmx.Instance in project carbon-business-process by wso2.

the class ProcessInstanceService method getProcessInstanceDiagram.

@GET
@Path("/{processInstanceId}/diagram")
@Produces(MediaType.APPLICATION_JSON)
public Response getProcessInstanceDiagram(@PathParam("processInstanceId") String processInstanceId) {
    ProcessInstance processInstance = getProcessInstanceFromRequest(processInstanceId);
    RepositoryService repositoryService = BPMNOSGIService.getRepositoryService();
    ProcessDefinition pde = repositoryService.getProcessDefinition(processInstance.getProcessDefinitionId());
    if (pde != null && pde.hasGraphicalNotation()) {
        RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
        InputStream diagramStream = new DefaultProcessDiagramGenerator().generateDiagram(repositoryService.getBpmnModel(pde.getId()), "png", runtimeService.getActiveActivityIds(processInstanceId));
        try {
            return Response.ok().type("image/png").entity(IOUtils.toByteArray(diagramStream)).build();
        } catch (Exception e) {
            throw new ActivitiIllegalArgumentException("Error exporting diagram", e);
        }
    } else {
        throw new ActivitiIllegalArgumentException("Process instance with id '" + processInstance.getId() + "' has no graphical notation defined.");
    }
}