Examples with LOCAL org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL used on opensource projects

Example 6 with LOCAL

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL in project carbon-business-process by wso2.

the class ProcessInstanceService method getVariableFromRequest.

public RestVariable getVariableFromRequest(Execution execution, String variableName, String scope, boolean includeBinary) {
    boolean variableFound = false;
    Object value = null;
    if (execution == null) {
        throw new ActivitiObjectNotFoundException("Could not find an execution", Execution.class);
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    RestVariable.RestVariableScope variableScope = RestVariable.getScopeFromString(scope);
    if (variableScope == null) {
        // First, check local variables (which have precedence when no scope is supplied)
        if (runtimeService.hasVariableLocal(execution.getId(), variableName)) {
            value = runtimeService.getVariableLocal(execution.getId(), variableName);
            variableScope = RestVariable.RestVariableScope.LOCAL;
            variableFound = true;
        } else {
            if (execution.getParentId() != null) {
                value = runtimeService.getVariable(execution.getParentId(), variableName);
                variableScope = RestVariable.RestVariableScope.GLOBAL;
                variableFound = true;
            }
        }
    } else if (variableScope == RestVariable.RestVariableScope.GLOBAL) {
        // Use parent to get variables
        if (execution.getParentId() != null) {
            value = runtimeService.getVariable(execution.getParentId(), variableName);
            variableScope = RestVariable.RestVariableScope.GLOBAL;
            variableFound = true;
        }
    } else if (variableScope == RestVariable.RestVariableScope.LOCAL) {
        value = runtimeService.getVariableLocal(execution.getId(), variableName);
        variableScope = RestVariable.RestVariableScope.LOCAL;
        variableFound = true;
    }
    if (!variableFound) {
        throw new ActivitiObjectNotFoundException("Execution '" + execution.getId() + "' doesn't have a variable with name: '" + variableName + "'.", VariableInstanceEntity.class);
    } else {
        return constructRestVariable(variableName, value, variableScope, execution.getId(), includeBinary);
    }
}

Example 7 with LOCAL

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL in project carbon-business-process by wso2.

the class WorkflowTaskService method createTaskVariable.

@POST
@Path("/{taskId}/variables")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response createTaskVariable(@PathParam("taskId") String taskId, @Context HttpServletRequest httpServletRequest) {
    Task task = getTaskFromRequest(taskId);
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    Response.ResponseBuilder responseBuilder = Response.ok();
    try {
        if (Utils.isApplicationJsonRequest(httpServletRequest)) {
            try {
                @SuppressWarnings("unchecked") List<Object> variableObjects = (List<Object>) new ObjectMapper().readValue(httpServletRequest.getInputStream(), List.class);
                for (Object restObject : variableObjects) {
                    RestVariable restVariable = new ObjectMapper().convertValue(restObject, RestVariable.class);
                    inputVariables.add(restVariable);
                }
            } catch (IOException e) {
                throw new ActivitiIllegalArgumentException("request body could not be transformed to a RestVariable " + "instance.", e);
            }
        } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
            JAXBContext jaxbContext = null;
            try {
                jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
                Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
                RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(getXMLReader(httpServletRequest.getInputStream()));
                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 = null;
    Map<String, Object> variablesToSet = new HashMap<>();
    RestResponseFactory restResponseFactory = new RestResponseFactory();
    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 (hasVariableOnScope(task, var.getName(), varScope)) {
            throw new BPMNConflictException("Variable '" + var.getName() + "' is already present on task '" + task.getId() + "'.");
        }
        Object actualVariableValue = restResponseFactory.getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(restResponseFactory.createRestVariable(var.getName(), actualVariableValue, varScope, task.getId(), RestResponseFactory.VARIABLE_TASK, false, uriInfo.getBaseUri().toString()));
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    TaskService taskService = BPMNOSGIService.getTaskService();
    if (!variablesToSet.isEmpty()) {
        if (sharedScope == RestVariable.RestVariableScope.LOCAL) {
            taskService.setVariablesLocal(task.getId(), variablesToSet);
        } else {
            if (task.getExecutionId() != null) {
                // Explicitly set on execution, setting non-local variables on task will override local-variables if exists
                runtimeService.setVariables(task.getExecutionId(), variablesToSet);
            } else {
                // Standalone task, no global variables possible
                throw new ActivitiIllegalArgumentException("Cannot set global variables on task '" + task.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 8 with LOCAL

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL in project carbon-business-process by wso2.

the class WorkflowTaskService method setSimpleVariable.

protected RestVariable setSimpleVariable(RestVariable restVariable, Task task, boolean isNew) {
    if (restVariable.getName() == null) {
        throw new ActivitiIllegalArgumentException("Variable name is required");
    }
    // Figure out scope, revert to local is omitted
    RestVariable.RestVariableScope scope = restVariable.getVariableScope();
    if (scope == null) {
        scope = RestVariable.RestVariableScope.LOCAL;
    }
    RestResponseFactory restResponseFactory = new RestResponseFactory();
    Object actualVariableValue = restResponseFactory.getVariableValue(restVariable);
    setVariable(task, restVariable.getName(), actualVariableValue, scope, isNew);
    return restResponseFactory.createRestVariable(restVariable.getName(), actualVariableValue, scope, task.getId(), RestResponseFactory.VARIABLE_TASK, false, uriInfo.getBaseUri().toString());
}

Example 9 with LOCAL

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL in project carbon-business-process by wso2.

the class AuthenticationHandler method authenticate.

/**
 * Checks whether a given userName:password combination authenticates correctly against carbon userStore
 * Upon successful authentication returns true, false otherwise
 *
 * @param userName
 * @param password
 * @return
 * @throws RestApiBasicAuthenticationException wraps and throws exceptions occur when trying to authenticate
 *                                             the user
 */
private boolean authenticate(String userName, String password) throws RestApiBasicAuthenticationException {
    boolean authStatus;
    try {
        IdentityService identityService = BPMNOSGIService.getIdentityService();
        authStatus = identityService.checkPassword(userName, password);
        if (!authStatus) {
            return false;
        }
    } catch (BPMNAuthenticationException e) {
        throw new RestApiBasicAuthenticationException(e.getMessage(), e);
    }
    String tenantDomain = MultitenantUtils.getTenantDomain(userName);
    String tenantAwareUserName = MultitenantUtils.getTenantAwareUsername(userName);
    String userNameWithTenantDomain = tenantAwareUserName + "@" + tenantDomain;
    RealmService realmService = RegistryContext.getBaseInstance().getRealmService();
    TenantManager mgr = realmService.getTenantManager();
    int tenantId = 0;
    try {
        tenantId = mgr.getTenantId(tenantDomain);
        // tenantId == -1, means an invalid tenant.
        if (tenantId == -1) {
            if (log.isDebugEnabled()) {
                log.debug("Basic authentication request with an invalid tenant : " + userNameWithTenantDomain);
            }
            return false;
        }
    } catch (UserStoreException e) {
        throw new RestApiBasicAuthenticationException("Identity exception thrown while getting tenant ID for user : " + userNameWithTenantDomain, e);
    }
    /* Upon successful authentication existing thread local carbon context
             * is updated to mimic the authenticated user */
    PrivilegedCarbonContext carbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
    carbonContext.setUsername(tenantAwareUserName);
    carbonContext.setTenantId(tenantId);
    carbonContext.setTenantDomain(tenantDomain);
    return true;
}

Example 10 with LOCAL

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL in project carbon-business-process by wso2.

the class BaseExecutionService method addGlobalVariables.

protected void addGlobalVariables(Execution execution, int variableType, Map<String, RestVariable> variableMap, UriInfo uriInfo) {
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    Map<String, Object> rawVariables = runtimeService.getVariables(execution.getId());
    List<RestVariable> globalVariables = new RestResponseFactory().createRestVariables(rawVariables, execution.getId(), variableType, RestVariable.RestVariableScope.GLOBAL, uriInfo.getBaseUri().toString());
    // since local variables get precedence over global ones at all times.
    for (RestVariable var : globalVariables) {
        if (!variableMap.containsKey(var.getName())) {
            variableMap.put(var.getName(), var);
        }
    }
}