internal void ApplyTo(IFileSystemInterface fsi)
{
fsi.SetWritePosition(_position, false);
foreach (var bytes in _listOfBytes)
fsi.WriteBytes(bytes, false);
}
protected override void Establish_context()
{
_position = 3L;
_data = new byte[] { 1, 2, 3 };
_fsi = new FileSystemInterfaceFake();
}
internal void PersistMeTo(IFileSystemInterface fsi)
{
var sizeOfLong = OdbType.Long.Size;
var sizeOfInt = OdbType.Integer.Size;
// build the full byte array to write once
var bytes = new byte[sizeOfLong + sizeOfInt + _size];
var bytesOfPosition = ByteArrayConverter.LongToByteArray(_position);
var bytesOfSize = ByteArrayConverter.IntToByteArray(_size);
for (var i = 0; i < sizeOfLong; i++)
bytes[i] = bytesOfPosition[i];
var offset = sizeOfLong;
for (var i = 0; i < sizeOfInt; i++)
{
bytes[offset] = bytesOfSize[i];
offset++;
}
foreach (var tmp in _listOfBytes)
{
Buffer.BlockCopy(tmp, 0, bytes, offset, tmp.Length);
offset += tmp.Length;
}
fsi.WriteBytes(bytes, false);
}
internal void PersistMeTo(IFileSystemInterface fsi)
{
var sizeOfLong = OdbType.Long.Size;
var sizeOfInt = OdbType.Integer.Size;
// build the full byte array to write once
var bytes = new byte[sizeOfLong + sizeOfInt + _size];
var bytesOfPosition = ByteArrayConverter.LongToByteArray(_position);
var bytesOfSize = ByteArrayConverter.IntToByteArray(_size);
for (var i = 0; i < sizeOfLong; i++)
{
bytes[i] = bytesOfPosition[i];
}
var offset = sizeOfLong;
for (var i = 0; i < sizeOfInt; i++)
{
bytes[offset] = bytesOfSize[i];
offset++;
}
foreach (var tmp in _listOfBytes)
{
Buffer.BlockCopy(tmp, 0, bytes, offset, tmp.Length);
offset += tmp.Length;
}
fsi.WriteBytes(bytes, false);
}
public override void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)
{
_fsiToApplyTransaction = fsi;
if (_transaction != null)
{
_transaction.SetFsiToApplyWriteActions(_fsiToApplyTransaction);
}
}
internal void ApplyTo(IFileSystemInterface fsi)
{
fsi.SetWritePosition(_position, false);
foreach (var bytes in _listOfBytes)
{
fsi.WriteBytes(bytes, false);
}
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
Log4NetHelper.Instance.LogDebugMessage(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
return(writeAction);
}
catch (OdbRuntimeException)
{
Log4NetHelper.Instance.LogErrorMessage(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Debug(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
}
return(writeAction);
}
catch (OdbRuntimeException)
{
DLogger.Error(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
private void CheckFileAccess(string fileName)
{
lock (this)
{
if (_fsi != null)
{
return;
}
IDbIdentification parameters;
if (_fsiToApplyWriteActions.GetFileIdentification() is InMemoryIdentification)
{
parameters = GetParameters();
}
else
{
parameters = _fsiToApplyWriteActions == null
? new FileIdentification(fileName)
: GetParameters();
}
_fsi = new FileSystemInterface(parameters, MultiBuffer.DefaultBufferSizeForTransaction, _session);
}
}
public abstract void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi);
public abstract void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi);
public OdbTransaction(ISession session, IFileSystemInterface fsiToApplyTransaction)
{
_fsiToApplyWriteActions = fsiToApplyTransaction;
Init(session);
}
public FileSystemReader(IStorageEngine engine)
{
_storageEngine = engine;
_fsi = engine.GetObjectWriter().FileSystemProcessor.FileSystemInterface;
}
/// <summary>
/// Reset the transaction
/// </summary>
public void Reset()
{
Clear();
Init(_session);
_fsi = null;
}
public void BuildFileSystemInterface(IStorageEngine storageEngine, ISession session)
{
FileSystemInterface = new FileSystemInterface(storageEngine.GetBaseIdentification(),
MultiBuffer.DefaultBufferSizeForData, session);
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
if (OdbConfiguration.IsLoggingEnabled())
DLogger.Debug(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
return writeAction;
}
catch (OdbRuntimeException)
{
DLogger.Error(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
public void SetFsiToApplyWriteActions(IFileSystemInterface fsi)
{
_fsiToApplyWriteActions = fsi;
}
public PackageUpdater(IFileSystemInterface fileInterface)
{
this.fileInterface = fileInterface;
}
public void Close()
{
FileSystemInterface.Close();
FileSystemInterface = null;
}
public void BuildFileSystemInterface(IStorageEngine storageEngine, ISession session)
{
FileSystemInterface = new FileSystemInterface(storageEngine.GetBaseIdentification(),
MultiBuffer.DefaultBufferSizeForData, session);
}
public override void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)
{
}
public override void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)
{
_fsiToApplyTransaction = fsi;
if (_transaction != null)
_transaction.SetFsiToApplyWriteActions(_fsiToApplyTransaction);
}
/// <exception cref="System.IO.IOException"></exception>
public virtual void Write(IFileSystemInterface fsi, bool writeInTransaction)
{
fsi.WriteInt(1, writeInTransaction);
}
public void Close()
{
FileSystemInterface.Close();
FileSystemInterface = null;
}
public override void SetFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)
{
}
public void Commit()
{
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActionsAsString = _numberOfWriteActions.ToString();
var hasAllWriteActionsInMemoryAsString = _hasAllWriteActionsInMemory.ToString();
DLogger.Info("OdbTransaction: Commiting " + numberOfWriteActionsAsString + " write actions - In Memory : " +
hasAllWriteActionsInMemoryAsString + string.Format(" - sid={0}", _session.GetId()));
}
// Check if database has been rollbacked
CheckRollback();
// call the commit listeners
ManageCommitListenersBefore();
if (_currentWriteAction != null && !_currentWriteAction.IsEmpty())
{
AddWriteAction(_currentWriteAction, true);
_currentWriteAction = null;
}
if (_fsi == null && _numberOfWriteActions != 0)
{
throw new OdbRuntimeException(NDatabaseError.TransactionAlreadyCommitedOrRollbacked);
}
if (_numberOfWriteActions == 0)
{
// FIXME call commitMetaModel in realOnlyMode?
CommitMetaModel();
// Nothing to do
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
return;
}
// Marks the transaction as committed
SetCommited();
// Apply the write actions the main database file
ApplyTo();
// Commit Meta Model changes
CommitMetaModel();
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
ManageCommitListenersAfter();
}
public ProjectUpdater(IFileSystemInterface fileInterface)
{
this.fileInterface = fileInterface;
}
/// <summary>
/// Reset the transaction
/// </summary>
public void Reset()
{
Clear();
Init(_session);
_fsi = null;
}
public OdbTransaction(ISession session, IFileSystemInterface fsiToApplyTransaction)
{
_fsiToApplyWriteActions = fsiToApplyTransaction;
Init(session);
}
public TemplateManager(string templateDirectory, IFileSystemInterface fileSystemInterface)
{
this.templateDirectory = templateDirectory;
this.fileSystemInterface = fileSystemInterface;
this.fileSystemInterface.CreateDirectory(this.templateDirectory);
}
public void Commit()
{
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActionsAsString = _numberOfWriteActions.ToString();
var hasAllWriteActionsInMemoryAsString = _hasAllWriteActionsInMemory.ToString();
DLogger.Info("OdbTransaction: Commiting " + numberOfWriteActionsAsString + " write actions - In Memory : " +
hasAllWriteActionsInMemoryAsString + string.Format(" - sid={0}", _session.GetId()));
}
// Check if database has been rollbacked
CheckRollback();
// call the commit listeners
ManageCommitListenersBefore();
if (_currentWriteAction != null && !_currentWriteAction.IsEmpty())
{
AddWriteAction(_currentWriteAction, true);
_currentWriteAction = null;
}
if (_fsi == null && _numberOfWriteActions != 0)
throw new OdbRuntimeException(NDatabaseError.TransactionAlreadyCommitedOrRollbacked);
if (_numberOfWriteActions == 0)
{
// FIXME call commitMetaModel in realOnlyMode?
CommitMetaModel();
// Nothing to do
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
_session.GetCache().ClearOnCommit();
return;
}
// Marks the transaction as committed
SetCommited();
// Apply the write actions the main database file
ApplyTo();
// Commit Meta Model changes
CommitMetaModel();
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
_session.GetCache().ClearOnCommit();
ManageCommitListenersAfter();
}
public FileSystemReader(IStorageEngine engine)
{
_storageEngine = engine;
_fsi = engine.GetObjectWriter().FileSystemProcessor.FileSystemInterface;
}
public void SetFsiToApplyWriteActions(IFileSystemInterface fsi)
{
_fsiToApplyWriteActions = fsi;
}
private void CheckFileAccess(string fileName)
{
lock (this)
{
if (_fsi != null)
return;
IDbIdentification parameters;
if (_fsiToApplyWriteActions.GetFileIdentification() is InMemoryIdentification)
{
parameters = GetParameters();
}
else
{
parameters = _fsiToApplyWriteActions == null
? new FileIdentification(fileName)
: GetParameters();
}
_fsi = new FileSystemInterface(parameters, MultiBuffer.DefaultBufferSizeForTransaction, _session);
}
}
/// <exception cref="System.IO.IOException"></exception>
public virtual void Write(IFileSystemInterface fsi, bool writeInTransaction)
{
fsi.WriteInt(1, writeInTransaction);
}
