/// <summary>
/// Commits the changes made to the state of the database during the current save point
/// and migrates them to the previous save point. If the outermost save point is committed
/// then the changes made during that save point will be committed to the state of the
/// database and the session will exit the transaction.
/// </summary>
/// <param name="sesid">The session to commit the transaction for.</param>
/// <param name="grbit">Commit options.</param>
/// <param name="durableCommit">Duration to commit lazy transaction.</param>
/// <param name="commitId">Commit-id associated with this commit record.</param>
public static void JetCommitTransaction2(
JET_SESID sesid,
CommitTransactionGrbit grbit,
TimeSpan durableCommit,
out JET_COMMIT_ID commitId)
{
Api.Check(Api.Impl.JetCommitTransaction2(sesid, grbit, durableCommit, out commitId));
}
/// <summary>
/// The proxy callback function to call the user-defined managed delegate.
/// </summary>
/// <param name="instance">
/// The instance.
/// </param>
/// <param name="commitIdSeen">
/// The commit-id flushed.
/// </param>
/// <param name="grbit">
/// Reserved currently.
/// </param>
/// <returns>
/// An error code.
/// </returns>
private JET_err NativeDurableCommitCallback(
IntPtr instance,
ref NATIVE_COMMIT_ID commitIdSeen,
uint grbit)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
JET_INSTANCE jetInstance = new JET_INSTANCE()
{
Value = instance
};
if (this.instance != jetInstance)
{
// We assume it's only called on one instance at a time. The only thing
// we really care about is serialization of the byte array.
//
// It would be nice to throw an error, but we're going back to real
// code, which doesn't deal with managed exceptions well.
return(JET_err.CallbackFailed);
}
JET_COMMIT_ID commitId = new JET_COMMIT_ID(commitIdSeen);
return(this.wrappedCallback(jetInstance, commitId, (DurableCommitCallbackGrbit)grbit));
}
catch (Exception ex)
{
Trace.WriteLineIf(
TraceSwitch.TraceWarning, string.Format(CultureInfo.InvariantCulture, "Caught Exception {0}", ex));
JetApi.ReportUnhandledException(ex, "Unhandled exception during NativeDurableCommitCallback");
// This should never be executed, but the compiler doesn't know it.
return(JET_err.CallbackFailed);
}
}
