/
DataConnectionTransaction.cs
87 lines (78 loc) · 2.65 KB
/
DataConnectionTransaction.cs
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using System;
using System.Threading;
using System.Threading.Tasks;
namespace LinqToDB.Data
{
/// <summary>
/// Data connection transaction controller.
/// </summary>
public class DataConnectionTransaction : IDisposable,
#if NATIVE_ASYNC
IAsyncDisposable
#else
Async.IAsyncDisposable
#endif
{
/// <summary>
/// Creates new transaction controller for data connection.
/// </summary>
/// <param name="dataConnection">Data connection instance.</param>
public DataConnectionTransaction(DataConnection dataConnection)
{
DataConnection = dataConnection ?? throw new ArgumentNullException(nameof(dataConnection));
}
/// <summary>
/// Returns associated data connection instance.
/// </summary>
public DataConnection DataConnection { get; }
bool _disposeTransaction = true;
/// <summary>
/// Commits current transaction for data connection.
/// </summary>
public void Commit()
{
DataConnection.CommitTransaction();
_disposeTransaction = false;
}
/// <summary>
/// Rolllbacks current transaction for data connection.
/// </summary>
public void Rollback()
{
DataConnection.RollbackTransaction();
_disposeTransaction = false;
}
/// <summary>
/// Commits current transaction for data connection asynchonously.
/// If underlying provider doesn't support asynchonous commit, it will be performed synchonously.
/// </summary>
/// <param name="cancellationToken">Asynchronous operation cancellation token.</param>
/// <returns>Asynchronous operation completion task.</returns>
public async Task CommitAsync(CancellationToken cancellationToken = default)
{
await DataConnection.CommitTransactionAsync(cancellationToken).ConfigureAwait(Common.Configuration.ContinueOnCapturedContext);
_disposeTransaction = false;
}
/// <summary>
/// Rollbacks current transaction for data connection asynchonously.
/// If underlying provider doesn't support asynchonous rollback, it will be performed synchonously.
/// </summary>
/// <param name="cancellationToken">Asynchronous operation cancellation token.</param>
/// <returns>Asynchronous operation completion task.</returns>
public async Task RollbackAsync(CancellationToken cancellationToken = default)
{
await DataConnection.RollbackTransactionAsync(cancellationToken).ConfigureAwait(Common.Configuration.ContinueOnCapturedContext);
_disposeTransaction = false;
}
public void Dispose()
{
if (_disposeTransaction)
DataConnection.DisposeTransaction();
}
#if NATIVE_ASYNC
public ValueTask DisposeAsync() => new (DataConnection.DisposeTransactionAsync());
#else
public Task DisposeAsync() => DataConnection.DisposeTransactionAsync();
#endif
}
}