Java 类org.springframework.transaction.jta.SpringJtaSynchronizationAdapter 实例源码

项目:lams    文件:SessionFactoryUtils.java   
/**
 * Retrieve a Session from the given SessionHolder, potentially from a
 * JTA transaction synchronization.
 * @param sessionHolder the SessionHolder to check
 * @param sessionFactory the SessionFactory to get the JTA TransactionManager from
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 * @return the associated Session, if any
 * @throws DataAccessResourceFailureException if the Session couldn't be created
 */
private static Session getJtaSynchronizedSession(
        SessionHolder sessionHolder, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator) throws DataAccessResourceFailureException {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, sessionHolder.getAnySession());
    if (jtaTm != null) {
        // Check whether JTA transaction management is active ->
        // fetch pre-bound Session for the current JTA transaction, if any.
        // (just necessary for JTA transaction suspension, with an individual
        // Hibernate Session per currently active/suspended transaction)
        try {
            // Look for transaction-specific Session.
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    Session session = sessionHolder.getValidatedSession(jtaTx);
                    if (session == null && !sessionHolder.isSynchronizedWithTransaction()) {
                        // No transaction-specific Session found: If not already marked as
                        // synchronized with transaction, register the default thread-bound
                        // Session as JTA-transactional. If there is no default Session,
                        // we're a new inner JTA transaction with an outer one being suspended:
                        // In that case, we'll return null to trigger opening of a new Session.
                        session = sessionHolder.getValidatedSession();
                        if (session != null) {
                            logger.debug("Registering JTA transaction synchronization for existing Hibernate Session");
                            sessionHolder.addSession(jtaTx, session);
                            jtaTx.registerSynchronization(
                                    new SpringJtaSynchronizationAdapter(
                                            new SpringSessionSynchronization(sessionHolder, sessionFactory, jdbcExceptionTranslator, false),
                                            jtaTm));
                            sessionHolder.setSynchronizedWithTransaction(true);
                            // Switch to FlushMode.AUTO, as we have to assume a thread-bound Session
                            // with FlushMode.NEVER, which needs to allow flushing within the transaction.
                            FlushMode flushMode = session.getFlushMode();
                            if (flushMode.lessThan(FlushMode.COMMIT)) {
                                session.setFlushMode(FlushMode.AUTO);
                                sessionHolder.setPreviousFlushMode(flushMode);
                            }
                        }
                    }
                    return session;
                }
            }
            // No transaction active -> simply return default thread-bound Session, if any
            // (possibly from OpenSessionInViewFilter/Interceptor).
            return sessionHolder.getValidatedSession();
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException("Could not check JTA transaction", ex);
        }
    }
    else {
        // No JTA TransactionManager -> simply return default thread-bound Session, if any
        // (possibly from OpenSessionInViewFilter/Interceptor).
        return sessionHolder.getValidatedSession();
    }
}
项目:lams    文件:SessionFactoryUtils.java   
/**
 * Register a JTA synchronization for the given Session, if any.
 * @param sessionHolder the existing thread-bound SessionHolder, if any
 * @param session the Session to register
 * @param sessionFactory the SessionFactory that the Session was created with
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 */
private static void registerJtaSynchronization(Session session, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator, SessionHolder sessionHolder) {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, session);
    if (jtaTm != null) {
        try {
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    logger.debug("Registering JTA transaction synchronization for new Hibernate Session");
                    SessionHolder holderToUse = sessionHolder;
                    // Register JTA Transaction with existing SessionHolder.
                    // Create a new SessionHolder if none existed before.
                    if (holderToUse == null) {
                        holderToUse = new SessionHolder(jtaTx, session);
                    }
                    else {
                        holderToUse.addSession(jtaTx, session);
                    }
                    jtaTx.registerSynchronization(
                            new SpringJtaSynchronizationAdapter(
                                    new SpringSessionSynchronization(holderToUse, sessionFactory, jdbcExceptionTranslator, true),
                                    jtaTm));
                    holderToUse.setSynchronizedWithTransaction(true);
                    if (holderToUse != sessionHolder) {
                        TransactionSynchronizationManager.bindResource(sessionFactory, holderToUse);
                    }
                }
            }
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException(
                    "Could not register synchronization with JTA TransactionManager", ex);
        }
    }
}
项目:spring4-understanding    文件:SessionFactoryUtils.java   
/**
 * Retrieve a Session from the given SessionHolder, potentially from a
 * JTA transaction synchronization.
 * @param sessionHolder the SessionHolder to check
 * @param sessionFactory the SessionFactory to get the JTA TransactionManager from
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 * @return the associated Session, if any
 * @throws DataAccessResourceFailureException if the Session couldn't be created
 */
private static Session getJtaSynchronizedSession(
        SessionHolder sessionHolder, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator) throws DataAccessResourceFailureException {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, sessionHolder.getAnySession());
    if (jtaTm != null) {
        // Check whether JTA transaction management is active ->
        // fetch pre-bound Session for the current JTA transaction, if any.
        // (just necessary for JTA transaction suspension, with an individual
        // Hibernate Session per currently active/suspended transaction)
        try {
            // Look for transaction-specific Session.
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    Session session = sessionHolder.getValidatedSession(jtaTx);
                    if (session == null && !sessionHolder.isSynchronizedWithTransaction()) {
                        // No transaction-specific Session found: If not already marked as
                        // synchronized with transaction, register the default thread-bound
                        // Session as JTA-transactional. If there is no default Session,
                        // we're a new inner JTA transaction with an outer one being suspended:
                        // In that case, we'll return null to trigger opening of a new Session.
                        session = sessionHolder.getValidatedSession();
                        if (session != null) {
                            logger.debug("Registering JTA transaction synchronization for existing Hibernate Session");
                            sessionHolder.addSession(jtaTx, session);
                            jtaTx.registerSynchronization(
                                    new SpringJtaSynchronizationAdapter(
                                            new SpringSessionSynchronization(sessionHolder, sessionFactory, jdbcExceptionTranslator, false),
                                            jtaTm));
                            sessionHolder.setSynchronizedWithTransaction(true);
                            // Switch to FlushMode.AUTO, as we have to assume a thread-bound Session
                            // with FlushMode.NEVER, which needs to allow flushing within the transaction.
                            FlushMode flushMode = session.getFlushMode();
                            if (flushMode.lessThan(FlushMode.COMMIT)) {
                                session.setFlushMode(FlushMode.AUTO);
                                sessionHolder.setPreviousFlushMode(flushMode);
                            }
                        }
                    }
                    return session;
                }
            }
            // No transaction active -> simply return default thread-bound Session, if any
            // (possibly from OpenSessionInViewFilter/Interceptor).
            return sessionHolder.getValidatedSession();
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException("Could not check JTA transaction", ex);
        }
    }
    else {
        // No JTA TransactionManager -> simply return default thread-bound Session, if any
        // (possibly from OpenSessionInViewFilter/Interceptor).
        return sessionHolder.getValidatedSession();
    }
}
项目:spring4-understanding    文件:SessionFactoryUtils.java   
/**
 * Register a JTA synchronization for the given Session, if any.
 * @param sessionHolder the existing thread-bound SessionHolder, if any
 * @param session the Session to register
 * @param sessionFactory the SessionFactory that the Session was created with
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 */
private static void registerJtaSynchronization(Session session, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator, SessionHolder sessionHolder) {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, session);
    if (jtaTm != null) {
        try {
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    logger.debug("Registering JTA transaction synchronization for new Hibernate Session");
                    SessionHolder holderToUse = sessionHolder;
                    // Register JTA Transaction with existing SessionHolder.
                    // Create a new SessionHolder if none existed before.
                    if (holderToUse == null) {
                        holderToUse = new SessionHolder(jtaTx, session);
                    }
                    else {
                        holderToUse.addSession(jtaTx, session);
                    }
                    jtaTx.registerSynchronization(
                            new SpringJtaSynchronizationAdapter(
                                    new SpringSessionSynchronization(holderToUse, sessionFactory, jdbcExceptionTranslator, true),
                                    jtaTm));
                    holderToUse.setSynchronizedWithTransaction(true);
                    if (holderToUse != sessionHolder) {
                        TransactionSynchronizationManager.bindResource(sessionFactory, holderToUse);
                    }
                }
            }
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException(
                    "Could not register synchronization with JTA TransactionManager", ex);
        }
    }
}
项目:class-guard    文件:SessionFactoryUtils.java   
/**
 * Retrieve a Session from the given SessionHolder, potentially from a
 * JTA transaction synchronization.
 * @param sessionHolder the SessionHolder to check
 * @param sessionFactory the SessionFactory to get the JTA TransactionManager from
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 * @return the associated Session, if any
 * @throws DataAccessResourceFailureException if the Session couldn't be created
 */
private static Session getJtaSynchronizedSession(
        SessionHolder sessionHolder, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator) throws DataAccessResourceFailureException {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, sessionHolder.getAnySession());
    if (jtaTm != null) {
        // Check whether JTA transaction management is active ->
        // fetch pre-bound Session for the current JTA transaction, if any.
        // (just necessary for JTA transaction suspension, with an individual
        // Hibernate Session per currently active/suspended transaction)
        try {
            // Look for transaction-specific Session.
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    Session session = sessionHolder.getValidatedSession(jtaTx);
                    if (session == null && !sessionHolder.isSynchronizedWithTransaction()) {
                        // No transaction-specific Session found: If not already marked as
                        // synchronized with transaction, register the default thread-bound
                        // Session as JTA-transactional. If there is no default Session,
                        // we're a new inner JTA transaction with an outer one being suspended:
                        // In that case, we'll return null to trigger opening of a new Session.
                        session = sessionHolder.getValidatedSession();
                        if (session != null) {
                            logger.debug("Registering JTA transaction synchronization for existing Hibernate Session");
                            sessionHolder.addSession(jtaTx, session);
                            jtaTx.registerSynchronization(
                                    new SpringJtaSynchronizationAdapter(
                                            new SpringSessionSynchronization(sessionHolder, sessionFactory, jdbcExceptionTranslator, false),
                                            jtaTm));
                            sessionHolder.setSynchronizedWithTransaction(true);
                            // Switch to FlushMode.AUTO, as we have to assume a thread-bound Session
                            // with FlushMode.NEVER, which needs to allow flushing within the transaction.
                            FlushMode flushMode = session.getFlushMode();
                            if (flushMode.lessThan(FlushMode.COMMIT)) {
                                session.setFlushMode(FlushMode.AUTO);
                                sessionHolder.setPreviousFlushMode(flushMode);
                            }
                        }
                    }
                    return session;
                }
            }
            // No transaction active -> simply return default thread-bound Session, if any
            // (possibly from OpenSessionInViewFilter/Interceptor).
            return sessionHolder.getValidatedSession();
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException("Could not check JTA transaction", ex);
        }
    }
    else {
        // No JTA TransactionManager -> simply return default thread-bound Session, if any
        // (possibly from OpenSessionInViewFilter/Interceptor).
        return sessionHolder.getValidatedSession();
    }
}
项目:class-guard    文件:SessionFactoryUtils.java   
/**
 * Register a JTA synchronization for the given Session, if any.
 * @param sessionHolder the existing thread-bound SessionHolder, if any
 * @param session the Session to register
 * @param sessionFactory the SessionFactory that the Session was created with
 * @param jdbcExceptionTranslator SQLExcepionTranslator to use for flushing the
 * Session on transaction synchronization (may be {@code null})
 */
private static void registerJtaSynchronization(Session session, SessionFactory sessionFactory,
        SQLExceptionTranslator jdbcExceptionTranslator, SessionHolder sessionHolder) {

    // JTA synchronization is only possible with a javax.transaction.TransactionManager.
    // We'll check the Hibernate SessionFactory: If a TransactionManagerLookup is specified
    // in Hibernate configuration, it will contain a TransactionManager reference.
    TransactionManager jtaTm = getJtaTransactionManager(sessionFactory, session);
    if (jtaTm != null) {
        try {
            Transaction jtaTx = jtaTm.getTransaction();
            if (jtaTx != null) {
                int jtaStatus = jtaTx.getStatus();
                if (jtaStatus == Status.STATUS_ACTIVE || jtaStatus == Status.STATUS_MARKED_ROLLBACK) {
                    logger.debug("Registering JTA transaction synchronization for new Hibernate Session");
                    SessionHolder holderToUse = sessionHolder;
                    // Register JTA Transaction with existing SessionHolder.
                    // Create a new SessionHolder if none existed before.
                    if (holderToUse == null) {
                        holderToUse = new SessionHolder(jtaTx, session);
                    }
                    else {
                        holderToUse.addSession(jtaTx, session);
                    }
                    jtaTx.registerSynchronization(
                            new SpringJtaSynchronizationAdapter(
                                    new SpringSessionSynchronization(holderToUse, sessionFactory, jdbcExceptionTranslator, true),
                                    jtaTm));
                    holderToUse.setSynchronizedWithTransaction(true);
                    if (holderToUse != sessionHolder) {
                        TransactionSynchronizationManager.bindResource(sessionFactory, holderToUse);
                    }
                }
            }
        }
        catch (Throwable ex) {
            throw new DataAccessResourceFailureException(
                    "Could not register synchronization with JTA TransactionManager", ex);
        }
    }
}