Examples with RuntimeService org.activiti.engine.RuntimeService used on opensource projects

Example 21 with RuntimeService

use of org.activiti.engine.RuntimeService 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.");
    }
}

Example 22 with RuntimeService

use of org.activiti.engine.RuntimeService 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 23 with RuntimeService

use of org.activiti.engine.RuntimeService in project carbon-business-process by wso2.

the class ExecutionService method deleteVariable.

@DELETE
@Path("/{executionId}/variables/{variableName}")
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response deleteVariable(@PathParam("executionId") String executionId, @PathParam("variableName") String variableName) {
    String scope = uriInfo.getQueryParameters().getFirst("scope");
    Execution execution = getExecutionFromRequest(executionId);
    // Determine scope
    RestVariable.RestVariableScope variableScope = RestVariable.RestVariableScope.LOCAL;
    if (scope != null) {
        variableScope = RestVariable.getScopeFromString(scope);
    }
    if (!hasVariableOnScope(execution, variableName, variableScope)) {
        throw new ActivitiObjectNotFoundException("Execution '" + execution.getId() + "' doesn't have a variable '" + variableName + "' in scope " + variableScope.name().toLowerCase(), VariableInstanceEntity.class);
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    if (variableScope == RestVariable.RestVariableScope.LOCAL) {
        runtimeService.removeVariableLocal(execution.getId(), variableName);
    } else {
        // Safe to use parentId, as the hasVariableOnScope would have stopped a global-var update on a root-execution
        runtimeService.removeVariable(execution.getParentId(), variableName);
    }
    return Response.ok().status(Response.Status.NO_CONTENT).build();
}

Example 24 with RuntimeService

use of org.activiti.engine.RuntimeService in project carbon-business-process by wso2.

the class CorrelationProcess method getQueryResponse.

public Response getQueryResponse(CorrelationActionRequest correlationActionRequest, UriInfo uriInfo) {
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    ExecutionQuery query = runtimeService.createExecutionQuery();
    String value = correlationActionRequest.getProcessDefinitionId();
    if (value != null) {
        query.processDefinitionId(value);
    }
    value = correlationActionRequest.getProcessDefinitionKey();
    if (value != null) {
        query.processDefinitionKey(value);
    }
    value = correlationActionRequest.getMessageName();
    if (value != null) {
        query.messageEventSubscriptionName(value);
    }
    value = correlationActionRequest.getSignalName();
    if (value != null) {
        query.signalEventSubscriptionName(value);
    }
    List<QueryVariable> queryVariableList = correlationActionRequest.getCorrelationVariables();
    if (queryVariableList != null) {
        List<QueryVariable> updatedQueryVariableList = new ArrayList<>();
        for (QueryVariable queryVariable : queryVariableList) {
            if (queryVariable.getVariableOperation() == null) {
                queryVariable.setOperation("equals");
            }
            updatedQueryVariableList.add(queryVariable);
        }
        addVariables(query, updatedQueryVariableList, true);
    }
    value = correlationActionRequest.getTenantId();
    if (value != null) {
        query.executionTenantId(value);
    }
    QueryProperty qp = allowedSortProperties.get("processInstanceId");
    ((AbstractQuery) query).orderBy(qp);
    query.asc();
    List<Execution> executionList = query.listPage(0, 10);
    int size = executionList.size();
    if (size == 0) {
        throw new ActivitiIllegalArgumentException("No Executions found to correlate with given information");
    }
    if (size > 1) {
        throw new ActivitiIllegalArgumentException("More than one Executions found to correlate with given information");
    }
    Execution execution = executionList.get(0);
    String action = correlationActionRequest.getAction();
    if (CorrelationActionRequest.ACTION_SIGNAL.equals(action)) {
        if (correlationActionRequest.getVariables() != null) {
            runtimeService.signal(execution.getId(), getVariablesToSet(correlationActionRequest));
        } else {
            runtimeService.signal(execution.getId());
        }
    } else if (CorrelationActionRequest.ACTION_SIGNAL_EVENT_RECEIVED.equals(action)) {
        if (correlationActionRequest.getSignalName() == null) {
            throw new ActivitiIllegalArgumentException("Signal name is required");
        }
        if (correlationActionRequest.getVariables() != null) {
            runtimeService.signalEventReceived(correlationActionRequest.getSignalName(), execution.getId(), getVariablesToSet(correlationActionRequest));
        } else {
            runtimeService.signalEventReceived(correlationActionRequest.getSignalName(), execution.getId());
        }
    } else if (CorrelationActionRequest.ACTION_MESSAGE_EVENT_RECEIVED.equals(action)) {
        if (correlationActionRequest.getMessageName() == null) {
            throw new ActivitiIllegalArgumentException("Message name is required");
        }
        if (correlationActionRequest.getVariables() != null) {
            runtimeService.messageEventReceived(correlationActionRequest.getMessageName(), execution.getId(), getVariablesToSet(correlationActionRequest));
        } else {
            runtimeService.messageEventReceived(correlationActionRequest.getMessageName(), execution.getId());
        }
    } else {
        throw new ActivitiIllegalArgumentException("Invalid action: '" + correlationActionRequest.getAction() + "'.");
    }
    Response.ResponseBuilder responseBuilder = Response.ok();
    // Re-fetch the execution, could have changed due to action or even completed
    execution = runtimeService.createExecutionQuery().executionId(execution.getId()).singleResult();
    if (execution == null) {
        // Execution is finished, return empty body to inform user
        responseBuilder.status(Response.Status.NO_CONTENT);
        return responseBuilder.build();
    } else {
        return responseBuilder.entity(new RestResponseFactory().createExecutionResponse(execution, uriInfo.getBaseUri().toString())).build();
    }
}

Example 25 with RuntimeService

use of org.activiti.engine.RuntimeService in project crnk-framework by crnk-project.

the class ActivitiTestBase method teardown.

@After
public void teardown() {
    RuntimeService runtimeService = processEngine.getRuntimeService();
    List<ProcessInstance> processInstances = runtimeService.createProcessInstanceQuery().list();
    for (ProcessInstance processInstance : processInstances) {
        runtimeService.deleteProcessInstance(processInstance.getId(), "");
    }
    TaskService taskService = processEngine.getTaskService();
    List<Task> tasks = taskService.createTaskQuery().list();
    for (Task task : tasks) {
        taskService.deleteTask(task.getId());
    }
}