public void ToIsolationLevel()
{
Assert.AreEqual(IsolationLevel.Unspecified, HsqlConvert.ToIsolationLevel(HsqlIsolationLevel.None));
Assert.AreEqual(IsolationLevel.ReadCommitted, HsqlConvert.ToIsolationLevel(HsqlIsolationLevel.ReadCommited));
Assert.AreEqual(IsolationLevel.ReadUncommitted, HsqlConvert.ToIsolationLevel(HsqlIsolationLevel.ReadUncommited));
Assert.AreEqual(IsolationLevel.RepeatableRead, HsqlConvert.ToIsolationLevel(HsqlIsolationLevel.RepeatableRead));
Assert.AreEqual(IsolationLevel.Serializable, HsqlConvert.ToIsolationLevel(HsqlIsolationLevel.Serializable));
}
public override void EnlistTransaction(Transaction systemTransaction)
{
lock (m_syncRoot)
{
CheckClosed();
if (systemTransaction == null)
{
throw new ArgumentNullException("transaction");
}
HsqlEnlistment enlistment = m_enlistment;
if (enlistment == null)
{
enlistment = new HsqlEnlistment(this, systemTransaction);
if (!systemTransaction.EnlistPromotableSinglePhase(enlistment))
{
if (m_transaction == null)
{
BeginTransaction(HsqlConvert.ToIsolationLevel(systemTransaction.IsolationLevel));
}
enlistment.m_dbTransaction = m_transaction;
systemTransaction.EnlistDurable(enlistment.Rmid, enlistment, EnlistmentOptions.None);
}
m_enlistment = enlistment;
GC.KeepAlive(this);
}
else if (enlistment.Transaction != systemTransaction)
{
throw new InvalidOperationException(
"Connection currently has transaction enlisted."
+ " Finish current transaction and retry."); // NOI18N
}
}
}
/// <summary>
/// Notifies the transaction participant that the enlistment has completed successfully.
/// </summary>
/// <exception cref="TransactionException">
/// When an attempt to enlist or serialize the transaction fails.
/// </exception>
void IPromotableSinglePhaseNotification.Initialize()
{
m_dbTransaction = m_dbConnection.BeginTransaction(
HsqlConvert.ToIsolationLevel(m_systemTransaction.IsolationLevel));
}