/// <summary>
/// Get next data file in the same repo folder.
/// </summary>
/// <param name="backwards">
/// The direction in which to look for data file relative to this file: to the past or to the future
/// </param>
/// <returns>
/// Next data file or <see langword="null"/> if none exists.
/// </returns>
public IRepositoryFile GetNext(bool backwards)
{
IRepositoryFile retval = null;
IRepositoryFileName fileInSameFolder = ContainingFolder.GetNextDataFile(this.Name, backwards);
if (null != fileInSameFolder)
{
retval = new RepositoryFile(containingFolder: ContainingFolder, fileName: fileInSameFolder);
}
else
{
// scanning sibling leaf folders until first data file is found
for (
IDataFolder nextFolder = ContainingFolder.GetNextSiblingInTree(backwards);
nextFolder != null && retval == null;
nextFolder = nextFolder.GetNextSiblingInTree(backwards))
{
retval = nextFolder.FindFirstDataFile(backwards);
}
}
return(retval);
}
public void MyClassInitialize()
{
lock (GetType())
{
if (_emptyDataFolder == null)
{
const int itemsCount = 100000;
_daysPerFile = ((double)_dataItemsPerFile) * _itemsIntervalMinutes / 60.0 / 24.0;
// 200 * 20 minutes = 8000 minutes per file (5.55556 days)
DateTime firstTime = DateTime.Now.AddDays(-10);
_firstDataItemTime = firstTime;
//_expectedFileCount = (int)Math.Ceiling((double)itemsCount / (double)_dataItemsPerFile);
IFolder targetFolder = (IFolder)FixtureRootRepoFolder;
string targetFolderPath = targetFolder.FullPath;
targetFolder.Properties.DesiredItemsPerFile = _dataItemsPerFile;
using (IRepositoryWriter writer = targetFolder.GetWriter())
{
DateTime lastTime = DateTime.MinValue;
int n;
for (n = 0; n < itemsCount; ++n)
{
Mock.TestDataItem item = Mock.TestDataItem.GetTestItem(n);
lastTime = firstTime.AddMinutes(n * _itemsIntervalMinutes);
item.DateTime = lastTime;
writer.Write(item);
}
_lastDataItemTime = lastTime;
writer.Flush();
writer.Close();
}
for (
var dataFile = targetFolder.RootDataFolder.FindFirstDataFile(false);
dataFile != null;
dataFile = dataFile.GetNext(false), ++_expectedFileCount
)
{
}
Console.WriteLine("Expected file count enumerated via RepositoryFile: {0}", _expectedFileCount);
// data folder boundaries may split data files thus extra ones
Assert.GreaterOrEqual(_expectedFileCount, (int)Math.Ceiling((double)itemsCount / (double)_dataItemsPerFile), "Data file count unexpected");
// creating empty folder
IRepositoryFile file = targetFolder.RootDataFolder.Seek(firstTime.AddMinutes(itemsCount * _itemsIntervalMinutes / 3), false);
_emptyDataFolder = file.ContainingFolder;
for (
file = _emptyDataFolder.FindFirstDataFile(false);
file != null && file.ContainingFolder == _emptyDataFolder;
file = file.GetNext(false))
{
file.Delete();
--_expectedFileCount;
}
Assert.AreEqual(0, _emptyDataFolder.DataFileBrowser.FileCount);
Console.WriteLine("Expected file count after removing file by file: {0}", _expectedFileCount);
//
IDataFolder dfolderToDelete = _emptyDataFolder.ParentDataFolder.GetNextSiblingInTree(false).GetNextSiblingInTree(false);
Assert.AreEqual(1, dfolderToDelete.Level);
_deletedDataFolder = new RepoFileContainerDescriptor()
{
Start = dfolderToDelete.Start,
End = dfolderToDelete.End,
Level = dfolderToDelete.Level,
RelativePath = dfolderToDelete.RelativePath
};
_expectedFileCount -= dfolderToDelete.GetSubfolders(DateTime.MinValue, false).Sum((f) => f.DataFileBrowser.FileCount);
Console.WriteLine("Expected file count after removing data folder {0}: {1}", dfolderToDelete.PathInRepository, _expectedFileCount);
Console.WriteLine("Removing folder {0}", dfolderToDelete.PathInRepository);
dfolderToDelete.Delete(false);
Assert.IsFalse(dfolderToDelete.Exists);
}
} //lock
}
