Examples with Delegate org.wso2.carbon.humantask.core.engine.commands.Delegate used on opensource projects

Example 1 with Delegate

use of org.wso2.carbon.humantask.core.engine.commands.Delegate in project carbon-business-process by wso2.

the class TaskOperationsImpl method delegate.

/**
 * Assign the task to one user and set the task to state Reserved.
 * @param taskId : task identifier
 * @param delegatee : organizational entity (htt:tOrganizationalEntity)
 * @throws IllegalStateFault
 * @throws IllegalOperationFault
 * @throws IllegalArgumentFault
 * @throws RecipientNotAllowedException
 * @throws IllegalAccessFault
 */
public void delegate(final URI taskId, final TOrganizationalEntity delegatee) throws IllegalStateFault, IllegalOperationFault, IllegalArgumentFault, RecipientNotAllowedException, IllegalAccessFault {
    try {
        validateTaskId(taskId);
        if (delegatee == null) {
            throw new IllegalArgumentFault("The delegatee cannot be null!");
        }
        HumanTaskServiceComponent.getHumanTaskServer().getTaskEngine().getScheduler().execTransaction(new Callable<Object>() {

            public Object call() throws Exception {
                List<OrganizationalEntityDAO> orgEntities = TransformerUtils.transformOrganizationalEntityList(delegatee);
                if (orgEntities.size() > 1) {
                    throw new IllegalArgumentFault("There can be only 1 delegatee of type user!");
                }
                Delegate delegateCommand = new Delegate(getCaller(), new Long(taskId.toString()), orgEntities.get(0));
                delegateCommand.execute();
                return null;
            }
        });
    } catch (Exception ex) {
        handleException(ex);
    }
}

Example 2 with Delegate

use of org.wso2.carbon.humantask.core.engine.commands.Delegate in project carbon-business-process by wso2.

the class Delegate method checkPreConditions.

/**
 * Checks the Pre-conditions before executing the task operation.
 */
@Override
protected void checkPreConditions() {
    checkForValidTask();
    OrganizationalEntityDAO caller = getOperationInvoker();
    TaskDAO task = getTask();
    // if the delegatee is not an existing user
    if (!getEngine().getPeopleQueryEvaluator().isExistingUser(delegatee.getName())) {
        String errMsg = String.format("The user[%s] cannot delegate task[id:%d] to the given" + " delegatee[name:%s] as he/she does not exist in the user store", caller.getName(), task.getId(), delegatee.getName());
        log.error(errMsg);
        throw new HumanTaskIllegalArgumentException(errMsg);
    }
    if (isExcludedOwner(delegatee.getName())) {
        String errMsg = String.format("The user[%s] cannot delegate task[id:%d] to the given" + " delegatee[name:%s] as he/she is an exclude owner for this task.", caller.getName(), task.getId(), delegatee.getName());
        log.error(errMsg);
        throw new HumanTaskIllegalArgumentException(errMsg);
    }
    // if the task is in reserved or in-progress we have to release it first.
    if (TaskStatus.RESERVED.equals(task.getStatus()) || TaskStatus.IN_PROGRESS.equals(task.getStatus())) {
        // task releasing can be done only by bus admins and the actual owner.
        List<GenericHumanRoleDAO.GenericHumanRoleType> allowedRoles = new ArrayList<GenericHumanRoleDAO.GenericHumanRoleType>();
        allowedRoles.add(GenericHumanRoleDAO.GenericHumanRoleType.BUSINESS_ADMINISTRATORS);
        allowedRoles.add(GenericHumanRoleDAO.GenericHumanRoleType.ACTUAL_OWNER);
        try {
            authoriseRoles(allowedRoles);
        } catch (Exception ex) {
            String err = String.format("The task[id:%d] can be only delegated after it's released. " + "But for the task to be released you need to be a business " + "administrator or the actual owner of the task. " + "Given user[%s] is not in those roles!", task.getId(), caller.getName());
            log.error(err);
            throw new HumanTaskIllegalAccessException(err, ex);
        }
        task.release();
    }
    // Add delegatee as a potential owner.
    GenericHumanRoleDAO potentialOwnersRole = task.getGenericHumanRole(GenericHumanRoleDAO.GenericHumanRoleType.POTENTIAL_OWNERS);
    if (getEngine().getPeopleQueryEvaluator().isOrgEntityInRole(delegatee, potentialOwnersRole)) {
        task.persistToPotentialOwners(delegatee);
    }
}