Example usage for javax.ejb TransactionAttributeType REQUIRES_NEW

Introduction

In this page you can find the example usage for javax.ejb TransactionAttributeType REQUIRES_NEW.

Prototype

TransactionAttributeType REQUIRES_NEW

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Document

The container must invoke an enterprise bean method whose transaction attribute is set to REQUIRES_NEW with a new transaction context.

Usage

From source file:ch.puzzle.itc.mobiliar.business.deploy.boundary.DeploymentService.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public Integer createDeploymentsReturnTrackingId(List<DeploymentEntity> selectedDeployments,
        Date deploymentDate, Date stateToDeploy, List<DeploymentParameter> deployParams,
        List<Integer> contextIds, boolean sendEmail, boolean requestOnly, boolean doSimulate,
        boolean isExecuteShakedownTest, boolean isNeighbourhoodTest) {

    Integer trackingId = sequencesService.getNextValueAndUpdate(DeploymentEntity.SEQ_NAME);

    Date now = new Date();
    if (deploymentDate == null || deploymentDate.before(now)) {
        deploymentDate = now;/*from w ww. ja  va 2  s  .c o m*/
    }

    for (DeploymentEntity selectedDeployment : selectedDeployments) {

        List<ApplicationWithVersion> applicationWithVersion = selectedDeployment.getApplicationsWithVersion();

        Integer appServerGroupId = selectedDeployment.getResourceGroup().getId();
        Integer releaseId = selectedDeployment.getRelease().getId();

        createDeploymentForAppserver(appServerGroupId, releaseId, deploymentDate, stateToDeploy, contextIds,
                applicationWithVersion, deployParams, sendEmail, requestOnly, doSimulate,
                isExecuteShakedownTest, isNeighbourhoodTest, trackingId);
    }

    if (deploymentDate == now && !requestOnly) {
        deploymentEvent.fire(new DeploymentEvent(DeploymentEventType.NEW, DeploymentState.scheduled));
    }

    return trackingId;
}

---

From source file:org.ejbca.core.ejb.services.ServiceSessionBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
@Override/*from   w  ww .j av  a2 s.c o m*/
public IWorker getWorkerIfItShouldRun(Integer serviceId, long nextTimeout) {
    IWorker worker = null;
    ServiceData serviceData = serviceDataSession.findById(serviceId);
    ServiceConfiguration serviceConfiguration = serviceData.getServiceConfiguration();
    if (!serviceConfiguration.isActive()) {
        if (log.isDebugEnabled()) {
            log.debug("Service " + serviceId + " is inactive.");
        }
        return null; // Don't return an inactive worker to run
    }
    String serviceName = serviceData.getName();
    final String hostname = getHostName();
    if (shouldRunOnThisNode(hostname, Arrays.asList(serviceConfiguration.getPinToNodes()))) {
        long oldRunTimeStamp = serviceData.getRunTimeStamp();
        long oldNextRunTimeStamp = serviceData.getNextRunTimeStamp();
        worker = getWorker(serviceConfiguration, serviceName, oldRunTimeStamp, oldNextRunTimeStamp);
        if (worker.getNextInterval() == IInterval.DONT_EXECUTE) {
            if (log.isDebugEnabled()) {
                log.debug("Service has interval IInterval.DONT_EXECUTE.");
            }
            return null; // Don't return an inactive worker to run
        }
        Date runDateCheck = new Date(oldNextRunTimeStamp); // nextRunDateCheck will typically be the same (or just a millisecond earlier) as now
                                                           // here
        Date currentDate = new Date();
        if (log.isDebugEnabled()) {
            Date nextRunDate = new Date(nextTimeout);
            log.debug("nextRunDate is:  " + nextRunDate);
            log.debug("runDateCheck is: " + runDateCheck);
            log.debug("currentDate is:  " + currentDate);
        }
        /*
         * Check if the current date is after when the service should run. If a
         * service on another cluster node has updated this timestamp already,
         * then it will return false and this service will not run. This is a
         * semaphore (not the best one admitted) so that services in a cluster
         * only runs on one node and don't compete with each other. If a worker
         * on one node for instance runs for a very long time, there is a chance
         * that another worker on another node will break this semaphore and run
         * as well.
         */
        if (currentDate.after(runDateCheck)) {
            /*
             * We only update the nextRunTimeStamp if the service is allowed to run on this node.
             * 
             * However, we need to make sure that no other node has already acquired the semaphore
             * if our current database allows non-repeatable reads.
             */
            if (!serviceDataSession.updateTimestamps(serviceId, oldRunTimeStamp, oldNextRunTimeStamp,
                    runDateCheck.getTime(), nextTimeout)) {
                log.debug(
                        "Another node had already updated the database at this point. This node will not run.");
                worker = null; // Failed to update the database.
            }
        } else {
            worker = null; // Don't return a worker, since this node should not run
        }
    } else {
        worker = null;
        if (log.isDebugEnabled()) {
            log.debug("Service " + serviceName + " will not run on this node: \"" + hostname + "\", Pinned to: "
                    + Arrays.toString(serviceConfiguration.getPinToNodes()));
        }
    }
    return worker;
}

---

From source file:io.hops.hopsworks.common.project.ProjectController.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
private Project createProject(String projectName, Users user, String projectDescription,
        DistributedFileSystemOps dfso) throws ProjectException {
    if (user == null) {
        throw new IllegalArgumentException("User was not provided.");
    }//from  ww  w  . j  av a2  s  .  c  o m
    if (projectFacade.numProjectsLimitReached(user)) {
        throw new ProjectException(RESTCodes.ProjectErrorCode.NUM_PROJECTS_LIMIT_REACHED, Level.FINE,
                "user: " + user.getUsername());
    } else if (projectFacade.projectExists(projectName)) {
        throw new ProjectException(RESTCodes.ProjectErrorCode.PROJECT_EXISTS, Level.FINE,
                "project: " + projectName);
    }
    //Create a new project object
    Date now = new Date();
    Project project = new Project(projectName, user, now, PaymentType.PREPAID);
    project.setKafkaMaxNumTopics(settings.getKafkaMaxNumTopics());
    project.setDescription(projectDescription);

    // set retention period to next 10 years by default
    Calendar cal = Calendar.getInstance();
    cal.setTime(now);
    cal.add(Calendar.YEAR, 10);
    project.setRetentionPeriod(cal.getTime());

    //set a dumy node in the project until the creation of the project folder
    Path dummy = new Path("/tmp/" + projectName);
    try {
        dfso.touchz(dummy);
        project.setInode(inodes.getInodeAtPath(dummy.toString()));
    } catch (IOException ex) {
        throw new ProjectException(RESTCodes.ProjectErrorCode.PROJECT_INODE_CREATION_ERROR, Level.SEVERE,
                "Couldn't get the dummy Inode at: /tmp/" + projectName, ex.getMessage(), ex);
    }

    //Persist project object
    this.projectFacade.persistProject(project);
    this.projectFacade.flushEm();
    usersController.increaseNumCreatedProjects(user.getUid());
    return project;
}

---

From source file:ch.puzzle.itc.mobiliar.business.deploy.boundary.DeploymentBoundary.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public Integer createDeploymentReturnTrackingId(Integer appServerGroupId, Integer releaseId,
        Date deploymentDate, Date stateToDeploy, List<Integer> contextIds,
        List<ApplicationWithVersion> applicationWithVersion, List<DeploymentParameter> deployParams,
        boolean sendEmail, boolean requestOnly, boolean doSimulate, boolean isExecuteShakedownTest,
        boolean isNeighbourhoodTest) {

    Integer trackingId = sequencesService.getNextValueAndUpdate(DeploymentEntity.SEQ_NAME);

    Date now = new Date();
    if (deploymentDate == null || deploymentDate.before(now)) {
        deploymentDate = now;/*  www. j  a v a2s  .co m*/
    }
    requestOnly = createDeploymentForAppserver(appServerGroupId, releaseId, deploymentDate, stateToDeploy,
            contextIds, applicationWithVersion, deployParams, sendEmail, requestOnly, doSimulate,
            isExecuteShakedownTest, isNeighbourhoodTest, trackingId);

    if (deploymentDate == now && !requestOnly) {
        deploymentEvent.fire(new DeploymentEvent(DeploymentEventType.NEW, DeploymentState.scheduled));
    }

    return trackingId;
}

---

From source file:io.hops.hopsworks.common.project.ProjectController.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
private void setProjectInode(Project project, DistributedFileSystemOps dfso) throws IOException {
    Inode projectInode = inodes.getProjectRoot(project.getName());
    project.setInode(projectInode);/*from   ww w.  jav a 2s .co m*/
    this.projectFacade.mergeProject(project);
    this.projectFacade.flushEm();
    Path dumy = new Path("/tmp/" + project.getName());
    dfso.rm(dumy, true);
}

---

From source file:ch.puzzle.itc.mobiliar.business.deploy.boundary.DeploymentBoundary.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public Integer createDeploymentsReturnTrackingId(List<DeploymentEntity> selectedDeployments,
        Date deploymentDate, Date stateToDeploy, List<DeploymentParameter> deployParams,
        List<Integer> contextIds, boolean sendEmail, boolean requestOnly, boolean doSimulate,
        boolean isExecuteShakedownTest, boolean isNeighbourhoodTest) {

    Integer trackingId = sequencesService.getNextValueAndUpdate(DeploymentEntity.SEQ_NAME);

    Date now = new Date();
    if (deploymentDate == null || deploymentDate.before(now)) {
        deploymentDate = now;//  ww w .j  a v a  2 s.c o m
    }

    for (DeploymentEntity selectedDeployment : selectedDeployments) {

        List<ApplicationWithVersion> applicationWithVersion = selectedDeployment.getApplicationsWithVersion();

        Integer appServerGroupId = selectedDeployment.getResourceGroup().getId();
        Integer releaseId = selectedDeployment.getRelease().getId();

        requestOnly = createDeploymentForAppserver(appServerGroupId, releaseId, deploymentDate, stateToDeploy,
                contextIds, applicationWithVersion, deployParams, sendEmail, requestOnly, doSimulate,
                isExecuteShakedownTest, isNeighbourhoodTest, trackingId);
    }

    if (deploymentDate == now && !requestOnly) {
        deploymentEvent.fire(new DeploymentEvent(DeploymentEventType.NEW, DeploymentState.scheduled));
    }

    return trackingId;
}

---

From source file:io.hops.hopsworks.common.project.ProjectController.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
private boolean noExistingUser(String projectName) {
    List<HdfsUsers> hdfsUsers = hdfsUsersController.getAllProjectHdfsUsers(projectName);
    if (hdfsUsers != null && !hdfsUsers.isEmpty()) {
        LOGGER.log(Level.WARNING, "hdfs users exist for project {0}", projectName);
        return false;
    }/*from  www .ja  v a  2s  .  c  om*/
    return true;
}

---

From source file:org.ejbca.core.ejb.upgrade.UpgradeSessionBean.java

@Deprecated
@Override// w w w .  ja va  2s  .  c o m
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public RoleData replaceAccessRulesInRoleNoAuth(final AuthenticationToken authenticationToken,
        final RoleData role, final Collection<AccessRuleData> accessRules) throws RoleNotFoundException {

    RoleData result = roleAccessSession.findRole(role.getPrimaryKey());
    if (result == null) {
        final String msg = INTERNAL_RESOURCES.getLocalizedMessage("authorization.errorrolenotexists",
                role.getRoleName());
        throw new RoleNotFoundException(msg);
    }

    Map<Integer, AccessRuleData> rulesFromResult = result.getAccessRules();
    Map<Integer, AccessRuleData> rulesToResult = new HashMap<Integer, AccessRuleData>();
    //Lists for logging purposes.
    Collection<AccessRuleData> newRules = new ArrayList<AccessRuleData>();
    Collection<AccessRuleData> changedRules = new ArrayList<AccessRuleData>();
    for (AccessRuleData rule : accessRules) {
        if (AccessRuleData.generatePrimaryKey(role.getRoleName(), rule.getAccessRuleName()) != rule
                .getPrimaryKey()) {
            throw new Error(
                    "Role " + role.getRoleName() + " did not match up with the role that created this rule.");
        }
        Integer ruleKey = rule.getPrimaryKey();
        if (rulesFromResult.containsKey(ruleKey)) {
            AccessRuleData oldRule = rulesFromResult.get(ruleKey);
            if (!oldRule.equals(rule)) {
                changedRules.add(oldRule);
            }
            AccessRuleData newRule = accessRuleManagementSession.setState(rule, rule.getInternalState(),
                    rule.getRecursive());
            rulesFromResult.remove(ruleKey);
            rulesToResult.put(newRule.getPrimaryKey(), newRule);
        } else {
            try {
                newRules.add(accessRuleManagementSession.createRule(rule.getAccessRuleName(),
                        result.getRoleName(), rule.getInternalState(), rule.getRecursive()));
            } catch (AccessRuleExistsException e) {
                throw new Error("Access rule exists, but wasn't found in persistence in previous call.", e);
            }
            rulesToResult.put(rule.getPrimaryKey(), rule);
        }

    }
    logAccessRulesAdded(authenticationToken, role.getRoleName(), newRules);
    logAccessRulesChanged(authenticationToken, role.getRoleName(), changedRules);

    //And for whatever remains:
    accessRuleManagementSession.remove(rulesFromResult.values());
    result.setAccessRules(rulesToResult);
    result = entityManager.merge(result);
    logAccessRulesRemoved(authenticationToken, role.getRoleName(), rulesFromResult.values());
    accessTreeUpdateSession.signalForAccessTreeUpdate();
    accessControlSession.forceCacheExpire();

    return result;
}

---

From source file:io.hops.hopsworks.common.project.ProjectController.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
private boolean noExistingGroup(String projectName) {
    List<HdfsGroups> hdfsGroups = hdfsUsersController.getAllProjectHdfsGroups(projectName);
    if (hdfsGroups != null && !hdfsGroups.isEmpty()) {
        LOGGER.log(Level.WARNING, () -> "hdfs group(s) exist for project: " + projectName + ", group(s): "
                + Arrays.toString(hdfsGroups.toArray()));
        return false;
    }//from w ww  .  j av  a 2 s .  co m
    return true;
}

---

From source file:io.hops.hopsworks.common.project.ProjectController.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
private boolean verifyQuota(String projectName) {
    YarnProjectsQuota projectsQuota = yarnProjectsQuotaFacade.findByProjectName(projectName);
    if (projectsQuota != null) {
        LOGGER.log(Level.WARNING, "quota existing for project {0}", projectName);
        return false;
    }/*from   ww  w .j ava  2 s .  co  m*/
    return true;
}

---

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