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);
}
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;
}