public void ActivateConsolidationStore(string storeLocation)
{
#if WINDOWS_PHONE || PORTABLE
var tempFileName = Path.Combine(storeLocation, Guid.NewGuid().ToString("N"));
#else
var tempFileName = Path.Combine(storeLocation, Path.GetRandomFileName());
#endif
var consolidateDataPath = Path.Combine(storeLocation, ConsolidateFileName);
var storeDataPath = Path.Combine(storeLocation, DataFileName);
PageCache.Instance.Clear(storeDataPath);
_persistenceManager.RenameFile(storeDataPath, tempFileName);
try
{
_persistenceManager.RenameFile(consolidateDataPath, storeDataPath);
}
catch (Exception)
{
_persistenceManager.RenameFile(tempFileName, storeDataPath);
throw;
}
_persistenceManager.DeleteFile(tempFileName);
}
public void ConsolidateStore(Store store, string storeLocation, Guid jobId)
{
// delete consolidate file if for some reason it was still there
if (_persistenceManager.FileExists(store.StoreConsolidateFile))
{
_persistenceManager.DeleteFile(store.StoreConsolidateFile);
}
// var inputStream = _persistenceManager.GetInputStream(store.StoreDataFile);
var inputStream = store.InputDataStream;
var outputStream = _persistenceManager.GetOutputStream(store.StoreConsolidateFile, FileMode.CreateNew);
ulong offset = 0;
try
{
using (var writer = new BinaryWriter(outputStream))
{
var objectLocationManager = store.ObjectLocationManager;
foreach (var container in objectLocationManager.Containers)
{
foreach (var objLoc in container.ObjectOffsets)
{
// load object
var objType = GetObjectType(objLoc.Type);
if (objType.Equals(typeof(Store)))
{
// dont write the store.
continue;
}
var obj = ReadObject(inputStream, objLoc.Offset, GetObjectType(objLoc.Type));
// save object and update location manager
var bytes = obj.Save(writer, offset);
// manage offsets
objectLocationManager.SetObjectOffset(obj.ObjectId, offset,
PersistantTypeIdentifiers[obj.GetType()], 1);
offset += (ulong)bytes;
}
}
// write the store
objectLocationManager.SetObjectOffset(store.ObjectId, offset,
PersistantTypeIdentifiers[store.GetType()], 1);
store.Save(writer, offset);
// delete store
inputStream.Close();
inputStream.Dispose();
_persistenceManager.DeleteFile(store.StoreDataFile);
}
// rename to new
_persistenceManager.RenameFile(store.StoreConsolidateFile, store.StoreDataFile);
// update the masterfile
AppendCommitPoint(storeLocation, new CommitPoint(offset, 0ul, DateTime.UtcNow, jobId), true);
}
catch (Exception ex)
{
Logging.LogError(new BrightstarEventId(), "Unable to consolidate store. Error was " + ex.Message);
throw;
}
finally
{
_persistenceManager.DeleteFile(store.StoreConsolidateFile);
}
}