Examples with RestVariable org.wso2.carbon.bpmn.rest.engine.variable.RestVariable used on opensource projects

Example 21 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseExecutionService method createExecutionVariable.

protected Response createExecutionVariable(Execution execution, boolean override, int variableType, HttpServletRequest httpServletRequest, UriInfo uriInfo) {
    Object result = null;
    Response.ResponseBuilder responseBuilder = Response.ok();
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    if (Utils.isApplicationJsonRequest(httpServletRequest)) {
        try {
            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);
            }
        } catch (Exception e) {
            throw new ActivitiIllegalArgumentException("Failed to serialize to a RestVariable instance", e);
        }
    } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
        JAXBContext jaxbContext = null;
        try {
            jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
            XMLInputFactory inputFactory = XMLInputFactory.newInstance();
            inputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
            inputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
            XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(new StreamSource(httpServletRequest.getInputStream()));
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(xmlReader);
            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 | XMLStreamException e) {
            throw new ActivitiIllegalArgumentException("xml request body could not be transformed 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 = null;
    Map<String, Object> variablesToSet = new HashMap<String, Object>();
    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() + "'.");
        }
        Object actualVariableValue = new RestResponseFactory().getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(new 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 22 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseExecutionService method addLocalVariables.

protected void addLocalVariables(Execution execution, int variableType, Map<String, RestVariable> variableMap, UriInfo uriInfo) {
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    Map<String, Object> rawLocalvariables = runtimeService.getVariablesLocal(execution.getId());
    List<RestVariable> localVariables = new RestResponseFactory().createRestVariables(rawLocalvariables, execution.getId(), variableType, RestVariable.RestVariableScope.LOCAL, uriInfo.getBaseUri().toString());
    for (RestVariable var : localVariables) {
        variableMap.put(var.getName(), var);
    }
}

Example 23 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseRuntimeService method getVariablesToSet.

protected Map<String, Object> getVariablesToSet(ExecutionActionRequest actionRequest) {
    Map<String, Object> variablesToSet = new HashMap<String, Object>();
    for (RestVariable var : actionRequest.getVariables()) {
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        Object actualVariableValue = new RestResponseFactory().getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
    }
    return variablesToSet;
}

Example 24 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class ProcessInstanceCreateRequest method cloneInstanceCreationRequest.

public ProcessInstanceQueryRequest cloneInstanceCreationRequest() {
    ProcessInstanceQueryRequest processInstanceQueryRequest = new ProcessInstanceQueryRequest();
    if (processDefinitionId != null) {
        processInstanceQueryRequest.setProcessDefinitionId(processDefinitionId);
    }
    if (businessKey != null) {
        processInstanceQueryRequest.setProcessBusinessKey(businessKey);
    }
    if (tenantId != null) {
        processInstanceQueryRequest.setTenantId(tenantId);
    }
    if (variables != null) {
        RestResponseFactory restResponseFactory = new RestResponseFactory();
        List<QueryVariable> queryVariableList = new ArrayList<>();
        for (RestVariable restVariable : variables) {
            QueryVariable queryVariable = new QueryVariable();
            queryVariable.setName(restVariable.getName());
            queryVariable.setOperation("equals");
            queryVariable.setType(restVariable.getType());
            queryVariable.setValue(restResponseFactory.getVariableValue(restVariable));
            queryVariableList.add(queryVariable);
        }
        processInstanceQueryRequest.setVariables(queryVariableList);
    }
    processInstanceQueryRequest.setIncludeProcessVariables(true);
    return processInstanceQueryRequest;
}

Example 25 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class HistoricDetailService method getVariableFromRequest.

public RestVariable getVariableFromRequest(boolean includeBinary, String detailId) {
    Object value = null;
    HistoricVariableUpdate variableUpdate = null;
    HistoryService historyService = BPMNOSGIService.getHistoryService();
    HistoricDetail detailObject = historyService.createHistoricDetailQuery().id(detailId).singleResult();
    if (detailObject instanceof HistoricVariableUpdate) {
        variableUpdate = (HistoricVariableUpdate) detailObject;
        value = variableUpdate.getValue();
    }
    if (value == null) {
        throw new ActivitiObjectNotFoundException("Historic detail '" + detailId + "' doesn't have a variable value.", VariableInstanceEntity.class);
    } else {
        return new RestResponseFactory().createRestVariable(variableUpdate.getVariableName(), value, null, detailId, RestResponseFactory.VARIABLE_HISTORY_DETAIL, includeBinary, uriInfo.getBaseUri().toString());
    }
}