Example usage for javax.ejb TransactionAttributeType REQUIRES

Introduction

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

Prototype

TransactionAttributeType REQUIRES_NEW

To view the source code for javax.ejb TransactionAttributeType REQUIRES_NEW.

Click Source Link

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:org.rhq.enterprise.server.resource.ResourceFactoryManagerBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public CreateResourceHistory persistCreateHistory(Subject user, int parentResourceId, int resourceTypeId,
        String createResourceName, Configuration configuration) {
    // Load relationships
    Resource parentResource = entityManager.getReference(Resource.class, parentResourceId);
    ResourceType resourceType = entityManager.getReference(ResourceType.class, resourceTypeId);

    // CreateResourceHistory.configuration is one-to-one, so make sure to clone the config, zeroing out all id's.
    Configuration configurationClone = (configuration != null) ? configuration.deepCopy(false) : null;

    // Persist and establish relationships
    CreateResourceHistory history = new CreateResourceHistory(parentResource, resourceType, user.getName(),
            configurationClone);//from   w ww .  j  av a 2  s . c  om
    history.setCreatedResourceName(createResourceName);
    history.setStatus(CreateResourceStatus.IN_PROGRESS);

    entityManager.persist(history);
    parentResource.addCreateChildResourceHistory(history);

    // Caller will need this
    parentResource.getAgent();

    return history;
}

From source file:org.rhq.enterprise.server.measurement.MeasurementBaselineManagerBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
//@TransactionTimeout( 60 * 60 )
public int _calculateAutoBaselinesDELETE(long olderThanTime) throws Exception {
    Query query = entityManager.createNamedQuery(MeasurementBaseline.QUERY_DELETE_BY_COMPUTE_TIME);
    query.setParameter("timestamp", olderThanTime);
    int rowsAffected = query.executeUpdate();
    return rowsAffected;
}

From source file:org.rhq.enterprise.server.configuration.ConfigurationManagerBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public Configuration getPluginConfiguration(int resourceId) {
    // Ensure that we return a non-proxied Configuration object that can survive after the
    // Hibernate session goes away.
    Query query = entityManager.createNamedQuery(Configuration.QUERY_GET_PLUGIN_CONFIG_BY_RESOURCE_ID);
    query.setParameter("resourceId", resourceId);
    Configuration pluginConfiguration = (Configuration) query.getSingleResult();

    // Mask the configuration before returning it.
    Resource resource = resourceManager.getResourceById(subjectManager.getOverlord(), resourceId);
    ConfigurationDefinition pluginConfigurationDefinition = getPluginConfigurationDefinitionForResourceType(
            subjectManager.getOverlord(), resource.getResourceType().getId());
    // We do not want the masked configurations persisted, so detach all entities before masking the configurations.
    pluginConfiguration.getMap().size();
    entityManager.clear();//from w  w  w .j ava2s . c  o m
    ConfigurationMaskingUtility.maskConfiguration(pluginConfiguration, pluginConfigurationDefinition);

    return pluginConfiguration;
}

From source file:org.rhq.enterprise.server.bundle.BundleManagerBean.java

@Override
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
@RequiredPermission(Permission.MANAGE_BUNDLE)
public BundleDeployment createBundleDeploymentInNewTrans(Subject subject, int bundleVersionId,
        int bundleDestinationId, String name, String description, Configuration configuration)
        throws Exception {

    BundleVersion bundleVersion = entityManager.find(BundleVersion.class, bundleVersionId);
    if (null == bundleVersion) {
        throw new IllegalArgumentException("Invalid bundleVersionId: " + bundleVersionId);
    }//w w w  .jav  a 2 s  . co m
    BundleDestination bundleDestination = entityManager.find(BundleDestination.class, bundleDestinationId);
    if (null == bundleDestination) {
        throw new IllegalArgumentException("Invalid bundleDestinationId: " + bundleVersionId);
    }

    return createBundleDeploymentImpl(subject, bundleVersion, bundleDestination, name, description,
            configuration);
}

From source file:org.rhq.enterprise.server.measurement.MeasurementBaselineManagerBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
//@TransactionTimeout( 60 * 60 )
public int _calculateAutoBaselinesINSERT(long amountOfData) throws Exception {
    long now = System.currentTimeMillis();
    long computeTime = now;
    long endTime = now;
    long startTime = endTime - amountOfData;

    Connection conn = null;/*from w w  w.  j av  a2s .c o m*/
    PreparedStatement insertQuery = null;

    try {
        // calculate the baselines for schedules that have no baseline yet (or were just deleted)
        // do everything via JDBC - our perf testing shows that we hit entity cache locking timeouts
        // when the entity manager performs native queries under heavy load
        conn = dataSource.getConnection();
        DatabaseType dbType = DatabaseTypeFactory.getDatabaseType(conn);

        if (dbType instanceof PostgresqlDatabaseType || dbType instanceof H2DatabaseType) {
            insertQuery = conn
                    .prepareStatement(MeasurementBaseline.NATIVE_QUERY_CALC_FIRST_AUTOBASELINE_POSTGRES);
            insertQuery.setLong(1, computeTime);
            insertQuery.setLong(2, startTime);
            insertQuery.setLong(3, endTime);
            insertQuery.setLong(4, startTime);
        } else if (dbType instanceof OracleDatabaseType) {
            insertQuery = conn
                    .prepareStatement(MeasurementBaseline.NATIVE_QUERY_CALC_FIRST_AUTOBASELINE_ORACLE);
            insertQuery.setLong(1, computeTime);
            insertQuery.setLong(2, startTime);
            insertQuery.setLong(3, endTime);
            insertQuery.setLong(4, startTime);
        } else if (dbType instanceof SQLServerDatabaseType) {
            insertQuery = conn
                    .prepareStatement(MeasurementBaseline.NATIVE_QUERY_CALC_FIRST_AUTOBASELINE_SQLSERVER);
            insertQuery.setLong(1, computeTime);
            insertQuery.setLong(2, startTime);
            insertQuery.setLong(3, endTime);
            insertQuery.setLong(4, startTime);
        } else {
            throw new IllegalArgumentException("Unknown database type, can't continue: " + dbType);
        }

        int inserted = insertQuery.executeUpdate();
        return inserted;
    } finally {
        if (insertQuery != null) {
            try {
                insertQuery.close();
            } catch (Exception e) {
            }
        }

        if (conn != null) {
            try {
                conn.close();
            } catch (Exception e) {
            }
        }
    }
}

From source file:org.rhq.enterprise.server.measurement.CallTimeDataManagerBean.java

/**
 * Deletes call-time data older than the specified time.
 *
 * @param deleteUpToTime call-time data older than this time will be deleted
 *//* w w  w  .  j a  va  2  s .  c o m*/
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
@TransactionTimeout(6 * 60 * 60)
public int purgeCallTimeData(Date deleteUpToTime) throws SQLException {
    // NOTE: Apparently, Hibernate does not support DML JPQL queries, so we're stuck using JDBC.
    Connection conn = null;
    PreparedStatement stmt = null;
    try {
        conn = rhqDs.getConnection();

        // Purge old rows from RHQ_CALLTIME_DATA_VALUE.
        stmt = conn.prepareStatement(CALLTIME_VALUE_PURGE_STATEMENT);
        stmt.setLong(1, deleteUpToTime.getTime());

        long startTime = System.currentTimeMillis();
        int deletedRowCount = stmt.executeUpdate();
        MeasurementMonitor.getMBean().incrementPurgeTime(System.currentTimeMillis() - startTime);
        MeasurementMonitor.getMBean().setPurgedCallTimeData(deletedRowCount);
        return deletedRowCount;

        // NOTE: We do not purge unreferenced rows from RHQ_CALLTIME_DATA_KEY, because this can cause issues
        //       (see http://jira.jboss.com/jira/browse/JBNADM-1606). Once we limit the number of keys per
        //       resource at insertion time (see http://jira.jboss.com/jira/browse/JBNADM-2618), the key
        //       table will not require truncation.
    } finally {
        JDBCUtil.safeClose(conn, stmt, null);
    }
}

From source file:io.hops.hopsworks.common.security.CertificatesMgmService.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public void issueServiceKeyRotationCommand() {
    List<Hosts> allHosts = hostsFacade.find();
    for (Hosts host : allHosts) {
        SystemCommand rotateCommand = new SystemCommand(host, SystemCommandFacade.OP.SERVICE_KEY_ROTATION);
        systemCommandFacade.persist(rotateCommand);
    }//from  w  ww .  j a v  a 2s . c o m
}

From source file:nl.knaw.dans.dataverse.DeletedStudyServiceBean.java

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public void setIndexTime(Long studyId, Date indexTime) {
    DeletedStudy deletedStudy = em.find(DeletedStudy.class, studyId);
    deletedStudy.setLastIndexTime(indexTime);
    em.merge(deletedStudy);/*from www . j a v a  2s.  c o  m*/
}

From source file:org.rhq.enterprise.server.cloud.StorageNodeManagerBean.java

@Override
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public StorageNode createStorageNode(Resource resource, StorageClusterSettings clusterSettings) {
    Configuration pluginConfig = resource.getPluginConfiguration();

    StorageNode storageNode = new StorageNode();
    storageNode.setAddress(pluginConfig.getSimpleValue(RHQ_STORAGE_ADDRESS_PROPERTY));
    storageNode.setCqlPort(clusterSettings.getCqlPort());
    storageNode.setResource(resource);/*from w ww. j a  v  a 2  s.  co  m*/
    storageNode.setOperationMode(OperationMode.INSTALLED);

    entityManager.persist(storageNode);

    return storageNode;
}

Example usage for javax.ejb TransactionAttributeType REQUIRES_NEW

Introduction

Prototype

Document

Usage