public DataBase(int parsersCount, IDataBaseEngine engine, ITransactionScheduler transactionScheduler)
{
_engineCommander = new EngineCommander(engine);
_transactionScheduler = transactionScheduler;
_sqlParsers = new ConcurrentQueue <SqlSequenceParser>();
_parsersSemaphore = new Semaphore(parsersCount, parsersCount, "Parsers Semaphore");
for (var i = 0; i < parsersCount; i++)
{
_sqlParsers.Enqueue(new SqlSequenceParser());
}
}
protected SimpleScheduledTransaction(ITransactionScheduler scheduler, IDataManagerAdoFactory factory, IsolationLevel isolationLevel) : base(factory, isolationLevel)
{
_scheduler = scheduler;
}
/// <summary>
/// Instantinate an <see cref="IDataTransaction"/>.
/// This method will be called on each <see cref="IDataManager.BeginTransaction"/> call.
/// </summary>
public IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel)
{
return(new NotScheduledBDbTransaction(this));
}
public SqlClientSimpleScheduledTransaction(ITransactionScheduler scheduler, IDataManagerAdoFactory factory, IsolationLevel isolationLevel) : base(scheduler, factory, isolationLevel)
{
}
/// <summary>
/// Instantinate an <see cref="IDataTransaction"/>.
/// This method will be called on each <see cref="IDataManager.BeginTransaction"/> call.
/// </summary>
public override IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
return(new OracleSimpleScheduledTransaction(scheduler, this, isolationLevel));
}
/// <summary>
/// Instantinate an <see cref="IDataTransaction"/>.
/// This method will be called on each <see cref="IDataManager.BeginTransaction"/> call.
/// </summary>
public IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel)
{
return(_factory.DataTransaction(scheduler, isolationLevel));
}
public PostgreSqlDataTransaction(ITransactionScheduler scheduler, IDataManagerAdoFactory factory, IsolationLevel isolationLevel) : base(scheduler, factory, isolationLevel)
{
}
/*
* /// <summary>
* /// Instantiate an <see cref="IDataTransaction"/>.
* /// This method will be called on each <see cref="IDataManager.BeginTransaction"/> call.
* /// </summary>
* public IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel = IsolationLevel.ReadCommitted) {
* return new SimpleScheduledTransaction(scheduler, this, isolationLevel);
* // return new NotScheduledDataTransaction(this, isolationLevel);
* }
*/
/// <summary>
/// Instantinate an <see cref="IDataTransaction"/>.
/// This method will be called on each <see cref="IDataManager.BeginTransaction"/> call.
/// </summary>
public abstract IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel = IsolationLevel.ReadCommitted);
public override IDataTransaction DataTransaction(ITransactionScheduler scheduler, IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
return(new PostgreSqlDataTransaction(scheduler, this, isolationLevel));
}
