Examples of org.activiti.engine.repository.ProcessDefinition

org.activiti.engine.repository.ProcessDefinition
An object structure representing an executable process composed of activities and transitions. Business processes are often created with graphical editors that store the process definition in certain file format. These files can be added to a {@link Deployment} artifact, such as for example a Business Archive (.bar)file. At deploy time, the engine will then parse the process definition files to an executable instance of this class, that can be used to start a {@link ProcessInstance}. @author Tom Baeyens @author Joram Barez @author Daniel Meyer


    @Override
    public WorkflowDefinitionTO getDefinition()
            throws WorkflowException {


        ProcessDefinition procDef;
        try {
            procDef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(
                    ActivitiUserWorkflowAdapter.WF_PROCESS_ID).latestVersion().singleResult();
        } catch (ActivitiException e) {
            throw new WorkflowException(e);
        }


        InputStream procDefIS = repositoryService.getResourceAsStream(procDef.getDeploymentId(), WF_PROCESS_RESOURCE);
        Reader reader = null;
        Writer writer = new StringWriter();
        try {
            reader = new BufferedReader(new InputStreamReader(procDefIS));


            int n;
            char[] buffer = new char[1024];
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } catch (IOException e) {
            LOG.error("While reading workflow definition {}", procDef.getKey(), e);
        } finally {
            try {
                if (reader != null) {
                    reader.close();
                }
                if (procDefIS != null) {
                    procDefIS.close();
                }
            } catch (IOException ioe) {
                LOG.error("While closing input stream for {}", procDef.getKey(), ioe);
            }
        }


        WorkflowDefinitionTO definitionTO = new WorkflowDefinitionTO();
        definitionTO.setId(ActivitiUserWorkflowAdapter.WF_PROCESS_ID);

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    public List<String> getDefinedTasks()
            throws WorkflowException {


        List<String> result = new ArrayList<String>();


        ProcessDefinition procDef;
        try {
            procDef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(
                    ActivitiUserWorkflowAdapter.WF_PROCESS_ID).latestVersion().singleResult();
        } catch (ActivitiException e) {
            throw new WorkflowException(e);
        }


        InputStream procDefIS = repositoryService.getResourceAsStream(procDef.getDeploymentId(), WF_PROCESS_RESOURCE);


        DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder builder = domFactory.newDocumentBuilder();
            Document doc = builder.parse(procDefIS);


            XPath xpath = XPathFactory.newInstance().newXPath();


            NodeList nodeList = (NodeList) xpath.evaluate("//userTask | //serviceTask | //scriptTask", doc,
                    XPathConstants.NODESET);
            for (int i = 0; i < nodeList.getLength(); i++) {
                result.add(nodeList.item(i).getAttributes().getNamedItem("id").getNodeValue());
            }
        } catch (Exception e) {
            throw new WorkflowException(e);
        } finally {
            try {
                procDefIS.close();
            } catch (IOException ioe) {
                LOG.error("While closing input stream for {}", procDef.getKey(), ioe);
            }
        }


        return result;
    }

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    // set requester as current user
    identityService.setAuthenticatedUserId(requester.getId());


    // assert that the process definition does exist in the current
    // environment
    ProcessDefinition definition = activitiRule.getRepositoryService()
        .createProcessDefinitionQuery()
        .processDefinitionKey("issueRequestProcess").singleResult();
    assertThat(definition, notNullValue());


    // get a handle on the form-service
    FormService formService = activitiRule.getFormService();


    // assert that our start form has four form fields
    List<FormProperty> formProps = formService.getStartFormData(
        definition.getId()).getFormProperties();
    assertThat(formProps.size(), equalTo(4));


    // fill out the first form's fields
    Map<String, String> requestFormProps = new HashMap<String, String>();
    requestFormProps.put(SUMMARY_KEY, SUMMARY_VALUE);
    requestFormProps.put(DESCRIPTION_KEY, DESCRIPTION_VALUE);
    requestFormProps.put("email", "someguy@hascode.com");
    requestFormProps.put("priority", "critical");


    Date startDate = new Date();


    // create a new process instance with given form params
    ProcessInstance processInstance = formService.submitStartFormData(
        definition.getId(), requestFormProps);
    assertThat(processInstance, notNullValue());


    // test the audit process, fetch historic data
    List<HistoricDetail> historicFormProps = activitiRule
        .getHistoryService().createHistoricDetailQuery()

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    @Override
    public WorkflowDefinitionTO getDefinition()
            throws WorkflowException {


        ProcessDefinition procDef;
        try {
            procDef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(
                    ActivitiUserWorkflowAdapter.WF_PROCESS_ID).latestVersion().singleResult();
        } catch (ActivitiException e) {
            throw new WorkflowException(e);
        }


        InputStream procDefIS = repositoryService.getResourceAsStream(procDef.getDeploymentId(), WF_PROCESS_RESOURCE);
        Reader reader = null;
        Writer writer = new StringWriter();
        try {
            reader = new BufferedReader(new InputStreamReader(procDefIS));


            int n;
            char[] buffer = new char[1024];
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } catch (IOException e) {
            LOG.error("While reading workflow definition {}", procDef.getKey(), e);
        } finally {
            try {
                if (reader != null) {
                    reader.close();
                }
                if (procDefIS != null) {
                    procDefIS.close();
                }
            } catch (IOException ioe) {
                LOG.error("While closing input stream for {}", procDef.getKey(), ioe);
            }
        }


        WorkflowDefinitionTO definitionTO = new WorkflowDefinitionTO();
        definitionTO.setId(ActivitiUserWorkflowAdapter.WF_PROCESS_ID);

View Full Code Here

    public List<String> getDefinedTasks()
            throws WorkflowException {


        List<String> result = new ArrayList<String>();


        ProcessDefinition procDef;
        try {
            procDef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(
                    ActivitiUserWorkflowAdapter.WF_PROCESS_ID).latestVersion().singleResult();
        } catch (ActivitiException e) {
            throw new WorkflowException(e);
        }


        InputStream procDefIS = repositoryService.getResourceAsStream(procDef.getDeploymentId(), WF_PROCESS_RESOURCE);


        DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder builder = domFactory.newDocumentBuilder();
            Document doc = builder.parse(procDefIS);


            XPath xpath = XPathFactory.newInstance().newXPath();


            NodeList nodeList = (NodeList) xpath.evaluate("//userTask | //serviceTask | //scriptTask", doc,
                    XPathConstants.NODESET);
            for (int i = 0; i < nodeList.getLength(); i++) {
                result.add(nodeList.item(i).getAttributes().getNamedItem("id").getNodeValue());
            }
        } catch (Exception e) {
            throw new WorkflowException(e);
        } finally {
            try {
                procDefIS.close();
            } catch (IOException ioe) {
                LOG.error("While closing input stream for {}", procDef.getKey(), ioe);
            }
        }


        return result;
    }

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  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    
    String processDefinitionId = request.getParameter("processDefinitionId");    
    if (processDefinitionId==null) {
      String processDefinitionKey = request.getParameter("processDefinitionKey");
      
      ProcessDefinition pdef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(processDefinitionKey).latestVersion().singleResult();
      
      processDefinitionId = pdef.getId();
    }
    
    InputStream processDiagram = repositoryService.getProcessDiagram(processDefinitionId);


    response.setContentType("image/png");

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  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    
    String processDefinitionId = request.getParameter("processDefinitionId");    
    if (processDefinitionId==null) {
      String processDefinitionKey = request.getParameter("processDefinitionKey");
      
      ProcessDefinition pdef = repositoryService.createProcessDefinitionQuery().processDefinitionKey(processDefinitionKey).latestVersion().singleResult();
      
      processDefinitionId = pdef.getId();
    }
    
    InputStream processDiagram = repositoryService.getProcessDiagram(processDefinitionId);


    response.setContentType("image/png");

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                // If active activities nas no instance of this callActivity then add
                // last definition
                if (processInstanceArray.size() == 0) {
                    // Get last definition by key
                    ProcessDefinition lastProcessDefinition = repositoryService
                            .createProcessDefinitionQuery()
                            .processDefinitionKey(
                                    callActivityBehavior
                                            .getProcessDefinitonKey())
                            .latestVersion().singleResult();


                    // TODO: unuseful fields there are processDefinitionName,
                    // processDefinitionKey
                    ObjectNode processInstanceJSON = new ObjectMapper()
                            .createObjectNode();
                    processInstanceJSON.put("processDefinitionId",
                            lastProcessDefinition.getId());
                    processInstanceJSON.put("processDefinitionKey",
                            lastProcessDefinition.getKey());
                    processInstanceJSON.put("processDefinitionName",
                            lastProcessDefinition.getName());
                    processInstanceArray.add(processInstanceJSON);
                }


                if (processInstanceArray.size() > 0) {
                    propertiesJSON.set("processDefinitons",

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    public void viewXml(
            @RequestParam("processDefinitionId") String processDefinitionId,
            HttpServletResponse response) throws Exception {
        RepositoryService repositoryService = processEngine
                .getRepositoryService();
        ProcessDefinition processDefinition = repositoryService
                .createProcessDefinitionQuery()
                .processDefinitionId(processDefinitionId).singleResult();
        String resourceName = processDefinition.getResourceName();
        InputStream resourceAsStream = repositoryService.getResourceAsStream(
                processDefinition.getDeploymentId(), resourceName);
        response.setContentType("text/xml;charset=UTF-8");
        IOUtils.copy(resourceAsStream, response.getOutputStream());
    }

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     */
    @RequestMapping("console-beforeUpdateProcess")
    public String beforeUpdateProcess(
            @RequestParam("processDefinitionId") String processDefinitionId,
            Model model) throws Exception {
        ProcessDefinition processDefinition = processEngine
                .getRepositoryService().getProcessDefinition(
                        processDefinitionId);
        InputStream is = processEngine.getRepositoryService()
                .getResourceAsStream(processDefinition.getDeploymentId(),
                        processDefinition.getResourceName());
        String xml = IoUtils.readString(is);


        model.addAttribute("xml", xml);


        return "bpm/console-beforeUpdateProcess";

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