/// <summary>
/// Creates a new dataset from an exising data store.
/// </summary>
/// <param name="storeName">The name of the data store.</param>
/// <param name="storePath">The path of the data store.</param>
/// <param name="partitionName">The partition name.</param>
/// <returns>The newly created dataset.</returns>
public static Dataset CreateFromExistingStore(string storeName, string storePath, string partitionName = null)
{
var dataset = new Dataset();
dataset.AddSessionFromExistingStore(storeName, storeName, storePath, partitionName);
return(dataset);
}
private static void AddSessionsFromExistingStores(this Dataset dataset, string rootPath, string currentPath, string partitionName)
{
// scan for any psi catalog files
foreach (var filename in Directory.EnumerateFiles(currentPath, "*.Catalog_000000.psi"))
{
var fi = new FileInfo(filename);
var storeName = fi.Name.Substring(0, fi.Name.Length - ".Catalog_000000.psi".Length);
var sessionName = (currentPath == rootPath) ? filename : Path.Combine(currentPath, filename).Substring(rootPath.Length);
sessionName = sessionName.Substring(0, sessionName.Length - fi.Name.Length);
sessionName = sessionName.Trim('\\');
dataset.AddSessionFromExistingStore(sessionName, storeName, currentPath, partitionName);
}
// now go through subfolders
foreach (var directory in Directory.EnumerateDirectories(currentPath))
{
dataset.AddSessionsFromExistingStores(rootPath, Path.Combine(currentPath, directory), partitionName);
}
}