/// <summary>
/// Create new writer instance
/// </summary>
/// <param name="targetFolder">
/// The target of the writer (subtree root).
/// </param>
internal RepositoryWriter(IFolder targetFolder)
{
_itemAddedEvent = new FastSmartWeakEvent <EventHandler <Events.DataItemAddedEventArgs> >();
_repoFolder = targetFolder;
_directWritersByRelativePath = new Dictionary <string, DirectSingleFolderWriter>();
_directWritersByFolderKey = new Dictionary <string, DirectSingleFolderWriter>();
_trackUnsavedItems = true;
//this.DesiredFileSize = Constants.DefaultDataItemsPerFile;
// must initialise active router
this.DataRouter = null;
_transactionManager = new LongSlaveTransactionManager(Folder.Repository, null);
}
internal DirectSingleFolderWriter(
IFolder repoFolder
, ICoder coder
, ICoder encryptor)
{
this.Coder = coder;
this.Encryptor = encryptor;
_targetFolder = repoFolder;
_dirty = false;
_desiredItemsPerFile = repoFolder.Properties.DesiredItemsPerFile;
if (0 >= _desiredItemsPerFile)
{
_desiredItemsPerFile = Constants.DefaultDataItemsPerFile;
}
_trackUnsavedItems = false;
SetUpUnsavedItemsTracking();
_transactionManager = new LongSlaveTransactionManager(_targetFolder.Repository, (ITransactionNotification)this);
}
public void TestRepeatedReuseSlave()
{
if (!EnvironmentSupportsTransactions)
{
Assert.Inconclusive("Cannot test transactions in this environment");
}
else
{
Assume.That(!FileSystemProvider.IsStorageAmbientTransactionActive);
Repository.Settings.StorageTransactionSettings = StorageTransactionSettings.RequireTransactions;
TransactionSubscriber subscriber = new TransactionSubscriber();
IFileSystemTransaction transaction;
LongSlaveTransactionManager tman = new LongSlaveTransactionManager(Repository, subscriber);
using (TransactionScope masterScope = new TransactionScope())
{
using (var scope = tman.GetTransactionScope())
{
Assert.IsTrue(scope.HasChangedContext);
Assert.IsFalse(scope.IsNullScope);
Assert.IsFalse(scope.IsTransactionOwner);
Assert.IsFalse(scope.NoTransaction);
Assert.AreSame(AmbientTransaction, tman.PendingTransaction);
Assert.AreSame(scope.UnderlyingTransaction, tman.PendingTransaction);
Assert.IsTrue(tman.CanIOTransactionSpanMultipleRepositoryCalls);
Assert.IsTrue(tman.IsTransactionPending());
Assert.AreEqual(1, StorageTransactionScope.ScopeNestLevel);
transaction = AmbientTransaction;
}
Assert.AreEqual(0, StorageTransactionScope.ScopeNestLevel);
Assert.IsNull(AmbientTransaction);
Assert.IsNotNull(tman.PendingTransaction);
Assert.IsFalse(tman.CanIOTransactionSpanMultipleRepositoryCalls, "No ambientr transaction here");
for (int n = 0; n < 10; ++n)
{
using (var scope = tman.GetTransactionScope())
{
Assert.IsTrue(scope.HasChangedContext);
Assert.IsFalse(scope.IsNullScope);
Assert.IsFalse(scope.IsTransactionOwner);
Assert.IsFalse(scope.NoTransaction);
Assert.AreSame(transaction, tman.PendingTransaction);
Assert.AreSame(AmbientTransaction, tman.PendingTransaction);
Assert.AreSame(scope.UnderlyingTransaction, tman.PendingTransaction);
Assert.IsTrue(tman.CanIOTransactionSpanMultipleRepositoryCalls);
Assert.IsTrue(tman.IsTransactionPending());
Assert.AreEqual(1, StorageTransactionScope.ScopeNestLevel);
transaction = AmbientTransaction;
}
Assert.AreEqual(0, StorageTransactionScope.ScopeNestLevel);
Assert.IsNull(AmbientTransaction);
Assert.IsNotNull(tman.PendingTransaction);
Assert.IsFalse(tman.CanIOTransactionSpanMultipleRepositoryCalls, "No ambientr transaction here");
}
//masterScope.Complete();
} // using (TransactionScope masterScope = new TransactionScope())
System.Threading.Thread.Sleep(50);
Console.WriteLine("About to test times notified");
Assert.AreEqual(1, subscriber.TimesNotified, "Only 1 storage transaction must have been instantiated and therefore 1 notification received");
Assert.IsFalse(subscriber.Committed, "Master scope has not been completed");
//Assert.IsFalse(transaction.IsActive);
Assert.IsNull(tman.PendingTransaction, "Must have received notification and reset pending transaction");
Assert.IsFalse(tman.CanIOTransactionSpanMultipleRepositoryCalls, "There should be no ambient transaction here at all");
tman.Dispose();
Assert.Throws <ObjectDisposedException>(() => tman.GetTransactionScope());
}
}
