public void Rollback()
{
ITransactionSynchronization sync =
(ITransactionSynchronization)mocks.DynamicMock(typeof(ITransactionSynchronization));
sync.BeforeCompletion();
LastCall.On(sync).Repeat.Once();
sync.AfterCompletion(TransactionSynchronizationStatus.Rolledback);
LastCall.On(sync).Repeat.Once();
mocks.ReplayAll();
TxScopeTransactionManager tm = new TxScopeTransactionManager();
TransactionTemplate tt = new TransactionTemplate(tm);
tt.TransactionTimeout = 10;
tt.Name = "txName";
Assert.IsFalse(TransactionSynchronizationManager.SynchronizationActive);
Assert.IsNull(TransactionSynchronizationManager.CurrentTransactionName);
Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);
tt.Execute(delegate(ITransactionStatus status)
{
Assert.IsTrue(TransactionSynchronizationManager.SynchronizationActive);
TransactionSynchronizationManager.RegisterSynchronization(sync);
Assert.AreEqual("txName", TransactionSynchronizationManager.CurrentTransactionName);
Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);
status.SetRollbackOnly();
return(null);
}
);
mocks.VerifyAll();
}
public void Rollback()
{
ITransactionSynchronization sync = A.Fake <ITransactionSynchronization>();
TxScopeTransactionManager tm = new TxScopeTransactionManager();
tm.TransactionSynchronization = TransactionSynchronizationState.Always;
TransactionTemplate tt = new TransactionTemplate(tm);
tt.TransactionTimeout = 10;
tt.Name = "txName";
Assert.IsFalse(TransactionSynchronizationManager.SynchronizationActive);
Assert.IsNull(TransactionSynchronizationManager.CurrentTransactionName);
Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);
tt.Execute(status =>
{
Assert.IsTrue(TransactionSynchronizationManager.SynchronizationActive);
TransactionSynchronizationManager.RegisterSynchronization(sync);
Assert.AreEqual("txName", TransactionSynchronizationManager.CurrentTransactionName);
Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);
status.SetRollbackOnly();
return(null);
}
);
A.CallTo(() => sync.BeforeCompletion()).MustHaveHappenedOnceExactly();
A.CallTo(() => sync.AfterCompletion(TransactionSynchronizationStatus.Rolledback)).MustHaveHappenedOnceExactly();
}
/// <summary>
/// Get a ADO.NET Connection/Transaction Pair for the given IDbProvider.
/// Same as <see cref="GetConnection"/> but throwing original provider
/// exception.
/// </summary>
/// <remarks>
/// Is aware of a corresponding Connection/Transaction bound to the current thread, for example
/// when using AdoPlatformTransactionManager. Will bind a IDbConnection to the thread
/// if transaction synchronization is active
/// </remarks>
/// <param name="provider">The provider.</param>
/// <returns></returns>
public static ConnectionTxPair DoGetConnection(IDbProvider provider)
{
AssertUtils.ArgumentNotNull(provider, "provider");
ConnectionHolder conHolder = (ConnectionHolder)TransactionSynchronizationManager.GetResource(provider);
if (conHolder != null && (conHolder.HasConnection || conHolder.SynchronizedWithTransaction))
{
conHolder.Requested();
if (!conHolder.HasConnection)
{
if (LOG.IsDebugEnabled)
{
LOG.Debug("Fetching resumed ADO.NET connection from DbProvider");
}
conHolder.Connection = provider.CreateConnection();
}
return(new ConnectionTxPair(conHolder.Connection, conHolder.Transaction));
}
// Else we either got no holder or an empty thread-bound holder here.
if (LOG.IsDebugEnabled)
{
LOG.Debug("Fetching Connection from DbProvider");
}
IDbConnection conn = provider.CreateConnection();
conn.Open();
if (TransactionSynchronizationManager.SynchronizationActive)
{
LOG.Debug("Registering transaction synchronization for IDbConnection");
//Use same connection for further ADO.NET actions with the transaction.
//Thread-bound object will get removed by manager at transaction completion.
ConnectionHolder holderToUse = conHolder;
if (holderToUse == null)
{
holderToUse = new ConnectionHolder(conn, null);
}
else
{
holderToUse.Connection = conn;
}
holderToUse.Requested();
TransactionSynchronizationManager.RegisterSynchronization(
new ConnectionSynchronization(holderToUse, provider));
holderToUse.SynchronizedWithTransaction = true;
if (holderToUse != conHolder)
{
TransactionSynchronizationManager.BindResource(provider, holderToUse);
}
}
return(new ConnectionTxPair(conn, null));
}
/// <summary>Bind a resource to a transaction.</summary>
/// <param name="resourceHolder">The resource holder.</param>
/// <param name="connectionFactory">The connection factory.</param>
/// <param name="synched">The synched.</param>
public static void BindResourceToTransaction(RabbitResourceHolder resourceHolder, IConnectionFactory connectionFactory, bool synched)
{
if (TransactionSynchronizationManager.HasResource(connectionFactory) || !TransactionSynchronizationManager.ActualTransactionActive || !synched)
{
return;
}
TransactionSynchronizationManager.BindResource(connectionFactory, resourceHolder);
resourceHolder.SynchronizedWithTransaction = true;
if (TransactionSynchronizationManager.SynchronizationActive)
{
TransactionSynchronizationManager.RegisterSynchronization(new RabbitResourceSynchronization(resourceHolder, connectionFactory, synched));
}
}
public static RabbitResourceHolder BindResourceToTransaction(RabbitResourceHolder resourceHolder, IConnectionFactory connectionFactory, bool synched)
{
if (TransactionSynchronizationManager.HasResource(connectionFactory) || !TransactionSynchronizationManager.IsActualTransactionActive() || !synched)
{
return((RabbitResourceHolder)TransactionSynchronizationManager.GetResource(connectionFactory)); // NOSONAR never null
}
TransactionSynchronizationManager.BindResource(connectionFactory, resourceHolder);
resourceHolder.SynchronizedWithTransaction = true;
if (TransactionSynchronizationManager.IsSynchronizationActive())
{
TransactionSynchronizationManager.RegisterSynchronization(new RabbitResourceSynchronization(resourceHolder, connectionFactory));
}
return(resourceHolder);
}
/// <summary>
/// Method DoGetConnection does the actual Connection creation/recuperation
/// It throws the orgiginal DB4o Exceptions
/// </summary>
/// <param name="dataSource">An IDb4oDataSource</param>
/// <returns>An ObjectContainer</retutns>
private static ObjectContainer DoGetConnection(IDb4oDataSource dataSource)
{
logger.Debug("Do Get Connection");
logger.Debug("GetResource from TransactionSynchronizationManager");
ObjectContainerHolder holder = (ObjectContainerHolder )TransactionSynchronizationManager.GetResource(dataSource);
ObjectContainer container;
if (holder != null)
{
logger.Debug("ObjectContainerHolder exists");
holder.Requested();
if (holder.ObjectContainer == null)
{
logger.Debug("No connection inside the ObjectContainerHolder");
logger.Debug("Creating One");
holder.ObjectContainer = dataSource.GetConnection();
}
container = holder.ObjectContainer;
}
else
{
// the connection should be created
logger.Debug("The Holder does not exist. It will be created");
container = dataSource.GetConnection();
if (TransactionSynchronizationManager.SynchronizationActive)
{
logger.Debug("Registerbe increaseing transaction synchronization");
logger.Debug("Will use the same connection for further DB4o actions within the transaction");
logger.Debug("Thread-bound object will get removed by synchronization at transaction completion");
holder = new ObjectContainerHolder(container);
holder.SynchronizedWithTransaction = true;
holder.Requested();
TransactionSynchronizationManager.RegisterSynchronization(
new ObjectContainerSynchronization(holder, dataSource));
TransactionSynchronizationManager.BindResource(dataSource, holder);
}
}
return(container);
}
private static ISession DoGetSession(
ISessionFactory sessionFactory, IInterceptor entityInterceptor,
IAdoExceptionTranslator adoExceptionTranslator, bool allowCreate)
{
AssertUtils.ArgumentNotNull(sessionFactory, "sessionFactory", "SessionFactory can not be null");
SessionHolder sessionHolder = (SessionHolder)TransactionSynchronizationManager.GetResource(sessionFactory);
if (sessionHolder != null && !sessionHolder.IsEmpty)
{
// pre-bound Hibernate Session
ISession session = null;
if (TransactionSynchronizationManager.SynchronizationActive &&
sessionHolder.DoesNotHoldNonDefaultSession)
{
// Spring transaction management is active ->
// register pre-bound Session with it for transactional flushing.
session = sessionHolder.ValidatedSession;
if (!sessionHolder.SynchronizedWithTransaction)
{
log.Debug("Registering Spring transaction synchronization for existing Hibernate Session");
TransactionSynchronizationManager.RegisterSynchronization(
new SpringSessionSynchronization(sessionHolder, sessionFactory, adoExceptionTranslator, false));
sessionHolder.SynchronizedWithTransaction = true;
// Switch to FlushMode.AUTO if we're not within a read-only transaction.
FlushMode flushMode = session.FlushMode;
if (FlushMode.Never == flushMode &&
!TransactionSynchronizationManager.CurrentTransactionReadOnly)
{
session.FlushMode = FlushMode.Auto;
sessionHolder.PreviousFlushMode = flushMode;
}
}
}
else
{
// No Spring transaction management active -> simply return default thread-bound Session, if any
// (possibly from OpenSessionInViewModule)
session = sessionHolder.ValidatedSession;
}
if (session != null)
{
return(session);
}
}
ISession sess = OpenSession(sessionFactory, entityInterceptor);
// Set Session to FlushMode.Never if we're within a read-only transaction.
// Use same Session for further Hibernate actions within the transaction.
// Thread object will get removed by synchronization at transaction completion.
if (TransactionSynchronizationManager.SynchronizationActive)
{
log.Debug("Registering Spring transaction synchronization for new Hibernate Session");
SessionHolder holderToUse = sessionHolder;
if (holderToUse == null)
{
holderToUse = new SessionHolder(sess);
}
else
{
holderToUse.AddSession(sess);
}
if (TransactionSynchronizationManager.CurrentTransactionReadOnly)
{
sess.FlushMode = FlushMode.Never;
}
TransactionSynchronizationManager.RegisterSynchronization(
new SpringSessionSynchronization(holderToUse, sessionFactory, adoExceptionTranslator, true));
holderToUse.SynchronizedWithTransaction = true;
if (holderToUse != sessionHolder)
{
TransactionSynchronizationManager.BindResource(sessionFactory, holderToUse);
}
}
// Check whether we are allowed to return the Session.
if (!allowCreate && !IsSessionTransactional(sess, sessionFactory))
{
CloseSession(sess);
throw new InvalidOperationException("No Hibernate Session bound to thread, " +
"and configuration does not allow creation of non-transactional one here");
}
return(sess);
}
private static MongoDatabase DoGetDatabase(MongoServer mongo, string databaseName, MongoCredentials credentials,
WriteConcern writeConcern, bool allowCreate)
{
var dbHolder = (DatabaseHolder)TransactionSynchronizationManager.GetResource(mongo);
// Do we have a populated holder and TX sync active?
if (dbHolder != null && !dbHolder.IsEmpty && TransactionSynchronizationManager.SynchronizationActive)
{
var holderDatabase = dbHolder.GetDatabase(databaseName);
// DB found but not yet synchronized
if (holderDatabase != null && !dbHolder.SynchronizedWithTransaction)
{
Log.Debug(
m => m("Registering Spring transaction synchronization for existing MongoDB {0}.", databaseName));
TransactionSynchronizationManager.RegisterSynchronization(new MongoSynchronization(dbHolder, mongo));
dbHolder.SynchronizedWithTransaction = true;
}
if (holderDatabase != null)
{
return(holderDatabase);
}
}
// Lookup fresh database instance
Log.Debug(m => m("Getting Mongo Database name=[{0}]", databaseName));
if (writeConcern == null)
{
writeConcern = WriteConcern.Acknowledged;
}
var newDatabase = credentials != null
? mongo.GetDatabase(databaseName, credentials, writeConcern)
: mongo.GetDatabase(databaseName, writeConcern);
// TX sync active, bind new database to thread
if (TransactionSynchronizationManager.SynchronizationActive)
{
Log.Debug(
m => m("Registering Spring transaction synchronization for MongoDB instance {0}.", databaseName));
DatabaseHolder holderToUse = dbHolder;
if (holderToUse == null)
{
holderToUse = new DatabaseHolder(databaseName, newDatabase);
}
else
{
holderToUse.AddDatabase(databaseName, newDatabase);
}
TransactionSynchronizationManager.RegisterSynchronization(new MongoSynchronization(holderToUse, mongo));
holderToUse.SynchronizedWithTransaction = true;
if (holderToUse != dbHolder)
{
TransactionSynchronizationManager.BindResource(mongo, holderToUse);
}
}
// Check whether we are allowed to return the DB.
if (!allowCreate && !IsDbTransactional(newDatabase, mongo))
{
throw new InvalidOperationException("No Mongo DB bound to thread, "
+
"and configuration does not allow creation of non-transactional one here");
}
return(newDatabase);
}
/// <summary>
/// Obtain a EMS Session that is synchronized with the current transaction, if any.
/// </summary>
/// <param name="resourceKey">the TransactionSynchronizationManager key to bind to
/// (usually the ConnectionFactory)</param>
/// <param name="resourceFactory">the ResourceFactory to use for extracting or creating
/// EMS resources</param>
/// <param name="startConnection">whether the underlying 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</code>.</param>
/// <returns>
/// the transactional Session, or <code>null</code> if none found
/// </returns>
/// <throws>EMSException in case of EMS failure </throws>
public static ISession DoGetTransactionalSession(Object resourceKey, ResourceFactory resourceFactory, bool startConnection)
{
AssertUtils.ArgumentNotNull(resourceKey, "Resource key must not be null");
AssertUtils.ArgumentNotNull(resourceKey, "ResourceFactory must not be null");
EmsResourceHolder resourceHolder =
(EmsResourceHolder)TransactionSynchronizationManager.GetResource(resourceKey);
if (resourceHolder != null)
{
ISession rhSession = resourceFactory.GetSession(resourceHolder);
if (rhSession != null)
{
if (startConnection)
{
IConnection conn = resourceFactory.GetConnection(resourceHolder);
if (conn != null)
{
conn.Start();
}
}
return(rhSession);
}
}
if (!TransactionSynchronizationManager.SynchronizationActive)
{
return(null);
}
EmsResourceHolder resourceHolderToUse = resourceHolder;
if (resourceHolderToUse == null)
{
resourceHolderToUse = new EmsResourceHolder();
}
IConnection con = resourceFactory.GetConnection(resourceHolderToUse);
ISession session = null;
try
{
bool isExistingCon = (con != null);
if (!isExistingCon)
{
con = resourceFactory.CreateConnection();
resourceHolderToUse.AddConnection(con);
}
session = resourceFactory.CreateSession(con);
resourceHolderToUse.AddSession(session, con);
if (startConnection)
{
con.Start();
}
}
catch (EMSException)
{
if (session != null)
{
try
{
session.Close();
}
catch (Exception)
{
// ignore
}
}
if (con != null)
{
try
{
con.Close();
}
catch (Exception)
{
// ignore
}
}
throw;
}
if (resourceHolderToUse != resourceHolder)
{
TransactionSynchronizationManager.RegisterSynchronization(
new EmsResourceSynchronization(resourceHolderToUse,
resourceKey, resourceFactory.SynchedLocalTransactionAllowed));
resourceHolderToUse.SynchronizedWithTransaction = true;
TransactionSynchronizationManager.BindResource(resourceKey, resourceHolderToUse);
}
return(session);
}