@Override
protected Object doGetTransaction() {
JpaTransactionObject txObject = new JpaTransactionObject();
txObject.setSavepointAllowed(isNestedTransactionAllowed());
EntityManagerHolder emHolder =
(EntityManagerHolder)
TransactionSynchronizationManager.getResource(getEntityManagerFactory());
if (emHolder != null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Found thread-bound EntityManager ["
+ emHolder.getEntityManager()
+ "] for JPA transaction");
}
txObject.setEntityManagerHolder(emHolder, false);
}
if (getDataSource() != null) {
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(getDataSource());
txObject.setConnectionHolder(conHolder);
}
return txObject;
}
public void testLoggingAutoActivate() throws Throwable {
assertFalse(
"Auto-logging of misuse of the wrapper should be off",
BorrowedConnectionProxy.isCallStackTraced());
UserTransaction txn = transactionService.getUserTransaction();
Connection connection;
try {
txn.begin();
// Dig the proxy out of ... somewhere
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
connection = conHolder.getConnection();
txn.commit();
} catch (Throwable e) {
try {
txn.rollback();
} catch (Throwable ee) {
}
throw e;
}
// Now mess with the connection, which is protected by the Hibernate wrapper
try {
connection.commit();
fail("Use case should have generated a HibernateException");
} catch (HibernateException e) {
// Expected
}
assertTrue(
"Auto-logging of misuse of the wrapper should now be on",
BorrowedConnectionProxy.isCallStackTraced());
// Now start a new transaction and we should see logging
txn = transactionService.getUserTransaction();
try {
txn.begin();
// Dig the proxy out of ... somewhere
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
connection = conHolder.getConnection();
txn.commit();
} catch (Throwable e) {
try {
txn.rollback();
} catch (Throwable ee) {
}
throw e;
}
// Now mess with the connection, which is protected by the Hibernate wrapper
try {
connection.commit();
fail("Use case should have generated a HibernateException");
} catch (HibernateException e) {
// Expected
}
// Check for error logs
}
/** Retrieve the Spring-managed Session for the current thread, if any. */
public Session currentSession() throws HibernateException {
Object value = TransactionSynchronizationManager.getResource(this.sessionFactory);
if (value instanceof Session) {
return (Session) value;
} else if (value instanceof SessionHolder) {
SessionHolder sessionHolder = (SessionHolder) value;
Session session = sessionHolder.getSession();
if (TransactionSynchronizationManager.isSynchronizationActive()
&& !sessionHolder.isSynchronizedWithTransaction()) {
TransactionSynchronizationManager.registerSynchronization(
new SpringSessionSynchronization(sessionHolder, this.sessionFactory));
sessionHolder.setSynchronizedWithTransaction(true);
// Switch to FlushMode.AUTO, as we have to assume a thread-bound Session
// with FlushMode.MANUAL, which needs to allow flushing within the transaction.
FlushMode flushMode = session.getFlushMode();
if (FlushMode.isManualFlushMode(flushMode)
&& !TransactionSynchronizationManager.isCurrentTransactionReadOnly()) {
session.setFlushMode(FlushMode.AUTO);
sessionHolder.setPreviousFlushMode(flushMode);
}
}
return session;
} else if (this.jtaSessionContext != null) {
Session session = this.jtaSessionContext.currentSession();
if (TransactionSynchronizationManager.isSynchronizationActive()) {
TransactionSynchronizationManager.registerSynchronization(
new SpringFlushSynchronization(session));
}
return session;
} else {
throw new HibernateException("No Session found for current thread");
}
}
/**
* Get a TopLink Session for the given SessionFactory. Is aware of and will return any existing
* corresponding Session bound to the current thread, for example when using
* TopLinkTransactionManager. Will create a new Session otherwise, if allowCreate is true.
*
* <p>Same as <code>getSession</code>, but throwing the original TopLinkException.
*
* @param sessionFactory TopLink SessionFactory to create the session with
* @param allowCreate if a non-transactional Session should be created when no transactional
* Session can be found for the current thread
* @return the TopLink Session
* @throws TopLinkException if the Session couldn't be created
* @throws IllegalStateException if no thread-bound Session found and allowCreate false
* @see #releaseSession
* @see TopLinkTemplate
*/
public static Session doGetSession(SessionFactory sessionFactory, boolean allowCreate)
throws TopLinkException, IllegalStateException {
Assert.notNull(sessionFactory, "No SessionFactory specified");
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
if (sessionHolder != null) {
return sessionHolder.getSession();
}
if (!allowCreate && !TransactionSynchronizationManager.isSynchronizationActive()) {
throw new IllegalStateException(
"No TopLink Session bound to thread, "
+ "and configuration does not allow creation of non-transactional one here");
}
logger.debug("Creating TopLink Session");
Session session = sessionFactory.createSession();
if (TransactionSynchronizationManager.isSynchronizationActive()) {
logger.debug("Registering new Spring transaction synchronization for new TopLink Session");
// Use same Session for further TopLink actions within the transaction.
// Thread object will get removed by synchronization at transaction completion.
sessionHolder = new SessionHolder(session);
sessionHolder.setSynchronizedWithTransaction(true);
TransactionSynchronizationManager.registerSynchronization(
new SessionSynchronization(sessionHolder, sessionFactory));
TransactionSynchronizationManager.bindResource(sessionFactory, sessionHolder);
}
return session;
}
@Override
protected Object doGetTransaction() {
EntityManagerHolder holder =
(EntityManagerHolder)
TransactionSynchronizationManager.getResource(getEntityManagerFactory());
boolean isNew = false;
if (holder == null) {
EntityManager em = _jpaContext.getEm(getEntityManagerFactory());
holder = new EntityManagerHolder(em);
TransactionSynchronizationManager.bindResource(getEntityManagerFactory(), holder);
isNew = true;
}
JdbcTransactionObjectSupport transactionObj =
(JdbcTransactionObjectSupport) super.doGetTransaction();
if (isNew) {
_newTransactionObjects.put(transactionObj, holder.getEntityManager());
LOGGER.debug(
"doGetTransaction() bound EntityManagerHolder [{}] and saved transactionObj [{}]",
holder,
transactionObj);
} else {
LOGGER.debug(
"doGetTransaction() existing EntityManagerHolder, ignoring transactionObj: {}",
holder,
transactionObj);
}
return transactionObj;
}
/**
* Determine whether the given JDBC Connection is transactional, that is, bound to the current
* thread by Spring's transaction facilities.
*
* @param con the Connection to check
* @param dataSource the DataSource that the Connection was obtained from (may be <code>null
* </code>)
* @return whether the Connection is transactional
*/
public static boolean isConnectionTransactional(Connection con, DataSource dataSource) {
if (dataSource == null) {
return false;
}
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
return (conHolder != null && connectionEquals(conHolder, con));
}
/**
* Return whether the given TopLink Session is transactional, that is, bound to the current thread
* by Spring's transaction facilities.
*
* @param session the TopLink Session to check
* @param sessionFactory TopLink SessionFactory that the Session was created with (can be <code>
* null</code>)
* @return whether the Session is transactional
*/
public static boolean isSessionTransactional(Session session, SessionFactory sessionFactory) {
if (sessionFactory == null) {
return false;
}
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
return (sessionHolder != null && session == sessionHolder.getSession());
}
/**
* Determine whether the given JMS Session is transactional, that is, bound to the current thread
* by Spring's transaction facilities.
*
* @param session the JMS Session to check
* @param cf the JMS ConnectionFactory that the Session originated from
* @return whether the Session is transactional
*/
public static boolean isSessionTransactional(Session session, ConnectionFactory cf) {
if (session == null || cf == null) {
return false;
}
JmsResourceHolder resourceHolder =
(JmsResourceHolder) TransactionSynchronizationManager.getResource(cf);
return (resourceHolder != null && resourceHolder.containsSession(session));
}
public static List<String> bindAndGetEventLog(EventLogSender eventLogSender) {
if (!TransactionSynchronizationManager.hasResource(EVENT_LOG_KEY)) {
TransactionSynchronizationManager.bindResource(EVENT_LOG_KEY, new ArrayList<String>());
TransactionSynchronizationManager.registerSynchronization(
new EventLogSynchronization(eventLogSender));
}
return (List<String>) TransactionSynchronizationManager.getResource(EVENT_LOG_KEY);
}
/**
* Return whether the given DB instance is transactional, that is, bound to the current thread by
* Spring's transaction facilities.
*
* @param db the DB to check
* @param mongo the Mongo instance that the DB was created with (may be <code>null</code>)
* @return whether the DB is transactional
*/
public static boolean isDBTransactional(DB db, Mongo mongo) {
if (mongo == null) {
return false;
}
DbHolder dbHolder = (DbHolder) TransactionSynchronizationManager.getResource(mongo);
return dbHolder != null && dbHolder.containsDB(db);
}
/**
* Apply the current transaction timeout, if any, to the given JPA Query object.
*
* <p>This method sets the JPA 2.0 query hints "javax.persistence.lock.timeout" and
* "javax.persistence.query.timeout" accordingly.
*
* @param query the JPA Query object
* @param emf JPA EntityManagerFactory that the Query was created for
*/
public static void applyTransactionTimeout(Query query, EntityManagerFactory emf) {
EntityManagerHolder emHolder =
(EntityManagerHolder) TransactionSynchronizationManager.getResource(emf);
if (emHolder != null && emHolder.hasTimeout()) {
int timeoutValue = emHolder.getTimeToLiveInSeconds();
query.setHint("javax.persistence.lock.timeout", timeoutValue);
query.setHint("javax.persistence.query.timeout", timeoutValue);
}
}
public Connection getConnection(DataSource dataSource) {
ConnectionHolder connectionHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
if (connectionHolder == null) {
return null;
} else {
return connectionHolder.getConnection();
}
}
/**
* Return whether the given Redis connection is transactional, that is, bound to the current
* thread by Spring's transaction facilities.
*
* @param conn Redis connection to check
* @param connFactory Redis connection factory that the connection was created with
* @return whether the connection is transactional or not
*/
public static boolean isConnectionTransactional(
RedisConnection conn, RedisConnectionFactory connFactory) {
if (connFactory == null) {
return false;
}
RedisConnectionHolder connHolder =
(RedisConnectionHolder) TransactionSynchronizationManager.getResource(connFactory);
return (connHolder != null && conn == connHolder.getConnection());
}
private void endSession(PhaseEvent event) {
if (event.getPhaseId().equals(PhaseId.RENDER_RESPONSE)) {
final SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
if (sessionHolder != null
&& !FlushMode.MANUAL.equals(sessionHolder.getSession().getFlushMode())) {
sessionHolder.getSession().flush();
}
if (boundByMe.get()) unbindSession();
}
}
/**
* Apply the current transaction timeout, if any, to the given JPA Query object.
*
* <p>This method sets the JPA 2.0 query hint "javax.persistence.query.timeout" accordingly.
*
* @param query the JPA Query object
* @param emf JPA EntityManagerFactory that the Query was created for
*/
public static void applyTransactionTimeout(Query query, EntityManagerFactory emf) {
EntityManagerHolder emHolder =
(EntityManagerHolder) TransactionSynchronizationManager.getResource(emf);
if (emHolder != null && emHolder.hasTimeout()) {
int timeoutValue = (int) emHolder.getTimeToLiveInMillis();
try {
query.setHint("javax.persistence.query.timeout", timeoutValue);
} catch (IllegalArgumentException ex) {
// oh well, at least we tried...
}
}
}
@Override
protected Session getSession() {
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.getResource(jpaDatastore);
if (sessionHolder == null) {
Session session = jpaDatastore.connect();
sessionHolder = new SessionHolder(session);
TransactionSynchronizationManager.bindResource(jpaDatastore, sessionHolder);
return session;
}
return sessionHolder.getSession();
}
/**
* Obtain a JPA EntityManager from the given factory. Is aware of a corresponding EntityManager
* bound to the current thread, for example when using JpaTransactionManager.
*
* <p>Same as <code>getEntityManager</code>, but throwing the original PersistenceException.
*
* @param emf EntityManagerFactory to create the EntityManager with
* @param properties the properties to be passed into the <code>createEntityManager</code> call
* (may be <code>null</code>)
* @return the EntityManager, or <code>null</code> if none found
* @throws javax.persistence.PersistenceException if the EntityManager couldn't be created
* @see #getTransactionalEntityManager(javax.persistence.EntityManagerFactory)
* @see JpaTransactionManager
*/
public static EntityManager doGetTransactionalEntityManager(
EntityManagerFactory emf, Map properties) throws PersistenceException {
Assert.notNull(emf, "No EntityManagerFactory specified");
EntityManagerHolder emHolder =
(EntityManagerHolder) TransactionSynchronizationManager.getResource(emf);
if (emHolder != null) {
if (!emHolder.isSynchronizedWithTransaction()
&& TransactionSynchronizationManager.isSynchronizationActive()) {
// Try to explicitly synchronize the EntityManager itself
// with an ongoing JTA transaction, if any.
try {
emHolder.getEntityManager().joinTransaction();
} catch (TransactionRequiredException ex) {
logger.debug("Could not join JTA transaction because none was active", ex);
}
Object transactionData = prepareTransaction(emHolder.getEntityManager(), emf);
TransactionSynchronizationManager.registerSynchronization(
new EntityManagerSynchronization(emHolder, emf, transactionData, false));
emHolder.setSynchronizedWithTransaction(true);
}
return emHolder.getEntityManager();
}
if (!TransactionSynchronizationManager.isSynchronizationActive()) {
// Indicate that we can't obtain a transactional EntityManager.
return null;
}
// Create a new EntityManager for use within the current transaction.
logger.debug("Opening JPA EntityManager");
EntityManager em =
(!CollectionUtils.isEmpty(properties)
? emf.createEntityManager(properties)
: emf.createEntityManager());
if (TransactionSynchronizationManager.isSynchronizationActive()) {
logger.debug("Registering transaction synchronization for JPA EntityManager");
// Use same EntityManager for further JPA actions within the transaction.
// Thread object will get removed by synchronization at transaction completion.
emHolder = new EntityManagerHolder(em);
Object transactionData = prepareTransaction(em, emf);
TransactionSynchronizationManager.registerSynchronization(
new EntityManagerSynchronization(emHolder, emf, transactionData, true));
emHolder.setSynchronizedWithTransaction(true);
TransactionSynchronizationManager.bindResource(emf, emHolder);
}
return em;
}
/**
* Apply the specified timeout - overridden by the current transaction timeout, if any - to the
* given JDBC Statement object.
*
* @param stmt the JDBC Statement object
* @param dataSource the DataSource that the Connection was obtained from
* @param timeout the timeout to apply (or 0 for no timeout outside of a transaction)
* @throws SQLException if thrown by JDBC methods
* @see java.sql.Statement#setQueryTimeout
*/
public static void applyTimeout(Statement stmt, DataSource dataSource, int timeout)
throws SQLException {
Assert.notNull(stmt, "No Statement specified");
Assert.notNull(dataSource, "No DataSource specified");
ConnectionHolder holder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
if (holder != null && holder.hasTimeout()) {
// Remaining transaction timeout overrides specified value.
stmt.setQueryTimeout(holder.getTimeToLiveInSeconds());
} else if (timeout > 0) {
// No current transaction timeout -> apply specified value.
stmt.setQueryTimeout(timeout);
}
}
private boolean bindSession() {
if (sessionFactory == null) {
throw new IllegalStateException("No sessionFactory property provided");
}
final Object inStorage = TransactionSynchronizationManager.getResource(sessionFactory);
if (inStorage != null) {
((SessionHolder) inStorage).getSession().flush();
return false;
} else {
Session session = SessionFactoryUtils.getSession(sessionFactory, true);
session.setFlushMode(FlushMode.AUTO);
TransactionSynchronizationManager.bindResource(sessionFactory, new SessionHolder(session));
return true;
}
}
/**
* Gets a Redis connection. Is aware of and will return any existing corresponding connections
* bound to the current thread, for example when using a transaction manager. Will create a new
* Connection otherwise, if {@code allowCreate} is <tt>true</tt>.
*
* @param factory connection factory for creating the connection
* @param allowCreate whether a new (unbound) connection should be created when no connection can
* be found for the current thread
* @param bind binds the connection to the thread, in case one was created
* @param enableTransactionSupport
* @return an active Redis connection
*/
public static RedisConnection doGetConnection(
RedisConnectionFactory factory,
boolean allowCreate,
boolean bind,
boolean enableTransactionSupport) {
Assert.notNull(factory, "No RedisConnectionFactory specified");
RedisConnectionHolder connHolder =
(RedisConnectionHolder) TransactionSynchronizationManager.getResource(factory);
if (connHolder != null) {
if (enableTransactionSupport) {
potentiallyRegisterTransactionSynchronisation(connHolder, factory);
}
return connHolder.getConnection();
}
if (!allowCreate) {
throw new IllegalArgumentException("No connection found and allowCreate = false");
}
if (log.isDebugEnabled()) {
log.debug("Opening RedisConnection");
}
RedisConnection conn = factory.getConnection();
if (bind) {
RedisConnection connectionToBind = conn;
if (enableTransactionSupport && isActualNonReadonlyTransactionActive()) {
connectionToBind = createConnectionProxy(conn, factory);
}
connHolder = new RedisConnectionHolder(connectionToBind);
TransactionSynchronizationManager.bindResource(factory, connHolder);
if (enableTransactionSupport) {
potentiallyRegisterTransactionSynchronisation(connHolder, factory);
}
return connHolder.getConnection();
}
return conn;
}
private void unbindSession() {
if (sessionFactory == null) {
throw new IllegalStateException("No sessionFactory property provided");
}
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
try {
if (!FlushMode.MANUAL.equals(sessionHolder.getSession().getFlushMode())) {
sessionHolder.getSession().flush();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
TransactionSynchronizationManager.unbindResource(sessionFactory);
SessionFactoryUtils.closeSession(sessionHolder.getSession());
}
}
@Override
protected void createCriteriaInstance() {
{
if (TransactionSynchronizationManager.hasResource(sessionFactory)) {
participate = true;
hibernateSession =
((SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory))
.getSession();
} else {
hibernateSession = sessionFactory.openSession();
}
criteria = hibernateSession.createCriteria(targetClass);
cacheCriteriaMapping();
criteriaMetaClass = GroovySystem.getMetaClassRegistry().getMetaClass(criteria.getClass());
}
}
@Override
public void afterCompletion(int status) {
RestPostProcessorDelegate.LOG.info("Transaction completed");
try {
if (status == STATUS_COMMITTED) {
RestPostProcessorDelegate.LOG.info("Transaction was committed, sending events.");
List<String> eventLog =
(List<String>) TransactionSynchronizationManager.getResource(EVENT_LOG_KEY);
eventLogSender.send(eventLog);
} else {
RestPostProcessorDelegate.LOG.info(
"Transaction was not committed, status was " + status + ", not sending events.");
}
} catch (IOException e) {
throw new RuntimeException("Failed to send the event log.", e);
} finally {
TransactionSynchronizationManager.unbindResource(EVENT_LOG_KEY);
}
}
/**
* Actually obtain a JDBC Connection from the given DataSource. Same as {@link #getConnection},
* but throwing the original SQLException.
*
* <p>Is aware of a corresponding Connection bound to the current thread, for example when using
* {@link DataSourceTransactionManager}. Will bind a Connection to the thread if transaction
* synchronization is active (e.g. if in a JTA transaction).
*
* <p>Directly accessed by {@link TransactionAwareDataSourceProxy}.
*
* @param dataSource the DataSource to obtain Connections from
* @return a JDBC Connection from the given DataSource
* @throws SQLException if thrown by JDBC methods
* @see #doReleaseConnection
*/
public static Connection doGetConnection(DataSource dataSource) throws SQLException {
Assert.notNull(dataSource, "No DataSource specified");
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
if (conHolder != null
&& (conHolder.hasConnection() || conHolder.isSynchronizedWithTransaction())) {
conHolder.requested();
if (!conHolder.hasConnection()) {
logger.debug("Fetching resumed JDBC Connection from DataSource");
conHolder.setConnection(dataSource.getConnection());
}
return conHolder.getConnection();
}
// Else we either got no holder or an empty thread-bound holder here.
logger.debug("Fetching JDBC Connection from DataSource");
Connection con = dataSource.getConnection();
if (TransactionSynchronizationManager.isSynchronizationActive()) {
logger.debug("Registering transaction synchronization for JDBC Connection");
// Use same Connection for further JDBC actions within the transaction.
// Thread-bound object will get removed by synchronization at transaction completion.
ConnectionHolder holderToUse = conHolder;
if (holderToUse == null) {
holderToUse = new ConnectionHolder(con);
} else {
holderToUse.setConnection(con);
}
holderToUse.requested();
TransactionSynchronizationManager.registerSynchronization(
new ConnectionSynchronization(holderToUse, dataSource));
holderToUse.setSynchronizedWithTransaction(true);
if (holderToUse != conHolder) {
TransactionSynchronizationManager.bindResource(dataSource, holderToUse);
}
}
return con;
}
/**
* Closes the given connection, created via the given factory if not managed externally (i.e. not
* bound to the thread).
*
* @param conn the Redis connection to close
* @param factory the Redis factory that the connection was created with
*/
public static void releaseConnection(RedisConnection conn, RedisConnectionFactory factory) {
if (conn == null) {
return;
}
RedisConnectionHolder connHolder =
(RedisConnectionHolder) TransactionSynchronizationManager.getResource(factory);
if (connHolder != null && connHolder.isTransactionSyncronisationActive()) {
if (log.isDebugEnabled()) {
log.debug("Redis Connection will be closed when transaction finished.");
}
return;
}
// Only release non-transactional/non-bound connections.
if (!isConnectionTransactional(conn, factory)) {
if (log.isDebugEnabled()) {
log.debug("Closing Redis Connection");
}
conn.close();
}
}
/**
* Actually close the given Connection, obtained from the given DataSource. Same as {@link
* #releaseConnection}, but throwing the original SQLException.
*
* <p>Directly accessed by {@link TransactionAwareDataSourceProxy}.
*
* @param con the Connection to close if necessary (if this is <code>null</code>, the call will be
* ignored)
* @param dataSource the DataSource that the Connection was obtained from (may be <code>null
* </code>)
* @throws SQLException if thrown by JDBC methods
* @see #doGetConnection
*/
public static void doReleaseConnection(Connection con, DataSource dataSource)
throws SQLException {
if (con == null) {
return;
}
if (dataSource != null) {
ConnectionHolder conHolder =
(ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
if (conHolder != null && connectionEquals(conHolder, con)) {
// It's the transactional Connection: Don't close it.
conHolder.released();
return;
}
}
// Leave the Connection open only if the DataSource is our
// special SmartDataSoruce and it wants the Connection left open.
if (!(dataSource instanceof SmartDataSource)
|| ((SmartDataSource) dataSource).shouldClose(con)) {
logger.debug("Returning JDBC Connection to DataSource");
con.close();
}
}
/**
* Obtain a JMS Session that is synchronized with the current transaction, if any.
*
* @param connectionFactory the JMS ConnectionFactory to bind for (used as
* TransactionSynchronizationManager key)
* @param resourceFactory the ResourceFactory to use for extracting or creating JMS resources
* @param startConnection whether the underlying JMS Connection approach should be started in
* order to allow for receiving messages. Note that a reused Connection may already have been
* started before, even if this flag is {@code false}.
* @return the transactional Session, or {@code null} if none found
* @throws JMSException in case of JMS failure
*/
public static Session doGetTransactionalSession(
ConnectionFactory connectionFactory, ResourceFactory resourceFactory, boolean startConnection)
throws JMSException {
Assert.notNull(connectionFactory, "ConnectionFactory must not be null");
Assert.notNull(resourceFactory, "ResourceFactory must not be null");
JmsResourceHolder resourceHolder =
(JmsResourceHolder) TransactionSynchronizationManager.getResource(connectionFactory);
if (resourceHolder != null) {
Session session = resourceFactory.getSession(resourceHolder);
if (session != null) {
if (startConnection) {
Connection con = resourceFactory.getConnection(resourceHolder);
if (con != null) {
con.start();
}
}
return session;
}
if (resourceHolder.isFrozen()) {
return null;
}
}
if (!TransactionSynchronizationManager.isSynchronizationActive()) {
return null;
}
JmsResourceHolder resourceHolderToUse = resourceHolder;
if (resourceHolderToUse == null) {
resourceHolderToUse = new JmsResourceHolder(connectionFactory);
}
Connection con = resourceFactory.getConnection(resourceHolderToUse);
Session session = null;
try {
boolean isExistingCon = (con != null);
if (!isExistingCon) {
con = resourceFactory.createConnection();
resourceHolderToUse.addConnection(con);
}
session = resourceFactory.createSession(con);
resourceHolderToUse.addSession(session, con);
if (startConnection) {
con.start();
}
} catch (JMSException ex) {
if (session != null) {
try {
session.close();
} catch (Throwable ex2) {
// ignore
}
}
if (con != null) {
try {
con.close();
} catch (Throwable ex2) {
// ignore
}
}
throw ex;
}
if (resourceHolderToUse != resourceHolder) {
TransactionSynchronizationManager.registerSynchronization(
new JmsResourceSynchronization(
resourceHolderToUse,
connectionFactory,
resourceFactory.isSynchedLocalTransactionAllowed()));
resourceHolderToUse.setSynchronizedWithTransaction(true);
TransactionSynchronizationManager.bindResource(connectionFactory, resourceHolderToUse);
}
return session;
}
private static DB doGetDB(
Mongo mongo, String databaseName, UserCredentials credentials, boolean allowCreate) {
DbHolder dbHolder = (DbHolder) TransactionSynchronizationManager.getResource(mongo);
// Do we have a populated holder and TX sync active?
if (dbHolder != null
&& !dbHolder.isEmpty()
&& TransactionSynchronizationManager.isSynchronizationActive()) {
DB db = dbHolder.getDB(databaseName);
// DB found but not yet synchronized
if (db != null && !dbHolder.isSynchronizedWithTransaction()) {
LOGGER.debug(
"Registering Spring transaction synchronization for existing MongoDB {}.",
databaseName);
TransactionSynchronizationManager.registerSynchronization(
new MongoSynchronization(dbHolder, mongo));
dbHolder.setSynchronizedWithTransaction(true);
}
if (db != null) {
return db;
}
}
// Lookup fresh database instance
LOGGER.debug("Getting Mongo Database name=[{}]", databaseName);
DB db = mongo.getDB(databaseName);
boolean credentialsGiven = credentials.hasUsername() && credentials.hasPassword();
synchronized (db) {
if (credentialsGiven && !db.isAuthenticated()) {
String username = credentials.getUsername();
String password = credentials.hasPassword() ? credentials.getPassword() : null;
if (!db.authenticate(username, password == null ? null : password.toCharArray())) {
throw new CannotGetMongoDbConnectionException(
"Failed to authenticate to database ["
+ databaseName
+ "], username = ["
+ username
+ "], password = ["
+ password
+ "]",
databaseName,
credentials);
}
}
}
// TX sync active, bind new database to thread
if (TransactionSynchronizationManager.isSynchronizationActive()) {
LOGGER.debug(
"Registering Spring transaction synchronization for MongoDB instance {}.", databaseName);
DbHolder holderToUse = dbHolder;
if (holderToUse == null) {
holderToUse = new DbHolder(databaseName, db);
} else {
holderToUse.addDB(databaseName, db);
}
TransactionSynchronizationManager.registerSynchronization(
new MongoSynchronization(holderToUse, mongo));
holderToUse.setSynchronizedWithTransaction(true);
if (holderToUse != dbHolder) {
TransactionSynchronizationManager.bindResource(mongo, holderToUse);
}
}
// Check whether we are allowed to return the DB.
if (!allowCreate && !isDBTransactional(db, mongo)) {
throw new IllegalStateException(
"No Mongo DB bound to thread, "
+ "and configuration does not allow creation of non-transactional one here");
}
return db;
}
/*
* @seeorg.springframework.jdbc.datasource.DataSourceTransactionManager#
* doGetTransaction()
*/
public Object doGetTransaction() throws TransactionException {
CompensatingTransactionHolderSupport holder =
(CompensatingTransactionHolderSupport)
TransactionSynchronizationManager.getResource(getTransactionSynchronizationKey());
return new CompensatingTransactionObject(holder);
}