public void AcquireTableWriteLock(ITable table, Transaction transaction)
{
IList <ITable> tables = this.database.Tables.GetAllTables();
ILock tableLock = this.tableLocks[table];
var lockInfo = this.lockInventory.GetLockInformation(tableLock, transaction);
if (!lockInfo.IsWriteLockHeld)
{
// TODO: OnWaiting
if (lockInfo.IsReadLockHeld)
{
tableLock.Upgrade();
}
else
{
tableLock.EnterWrite();
}
// TODO: OnReleased
lockInfo.IsWriteLockHeld = true;
}
////switch (this.deadlockManagement)
////{
//// #region Deadlock detection
//// case DeadlockManagementStrategies.DeadlockDetection:
//// if (!tableLock.IsWriteLockHeld)
//// {
//// this.WaitsFor(tableLock);
//// tableLock.EnterWriteLock();
//// this.LockAquired(tableLock);
//// }
//// break;
//// #endregion
//// #region Deadlock prevention
//// case DeadlockManagementStrategies.DeadlockPrevention:
//// throw new NotSupportedException();
//// if (!tableLock.IsWriteLockHeld)
//// {
//// for (int i = 0; i < tables.Count; i++)
//// {
//// if (tables[i] == table)
//// {
//// for (int l = i + 1; l < tables.Count; l++)
//// {
//// ILock otherLock = this.tableLocks[tables[l]];
//// if (!otherLock.IsWriteLockHeld)
//// {
//// this.WaitsFor(otherLock);
//// otherLock.EnterWriteLock();
//// this.LockAquired(otherLock);
//// }
//// }
//// this.WaitsFor(tableLock);
//// tableLock.EnterWriteLock();
//// this.LockAquired(tableLock);
//// break;
//// }
//// }
//// }
//// break;
//// #endregion
////}
}
