/// <summary>
/// Reads a file from disc and stores its content into a list of byte buffer.
/// </summary>
/// <param name="completePath">The complete path to the file</param>
public void ReadFileFromDisc(string completePath)
{
try
{
byte[] buffer;
int concreteBufferSize;
FileInfo info = new FileInfo(completePath);
int fileSize = (int)info.Length;
int streamPosition = 0;
using (FileStream stream = info.OpenRead())
{
while (true)
{
if (streamPosition + BufferSize < fileSize)
{
concreteBufferSize = BufferSize;
}
else
{
concreteBufferSize = fileSize - streamPosition;
}
buffer = new byte[concreteBufferSize];
stream.Read(buffer, 0, concreteBufferSize);
streamPosition += concreteBufferSize;
ByteArray newByteArray = new ByteArray(buffer);
byteBuffers.Add(newByteArray);
IUpdateAction addNewByteArrayAction = new UpdateStoreAction(newByteArray);
IUpdateAction deactivateNewByteArray = new DeactivateAction(newByteArray, 1);
DatabaseManager.Instance.PerformDataUpdate(addNewByteArrayAction,
deactivateNewByteArray);
if (streamPosition == fileSize)
{
break;
}
}
}
}
catch (Exception ex)
{
throw new DiscAccessException(String.Format("{0}{1}{2}",
"Could not read the file \"",
completePath,
"\" from disc."), ex);
}
finally
{
IUpdateAction addByteArrayListAction = new UpdateStoreAction(byteBuffers);
DatabaseManager.Instance.PerformDataUpdate(addByteArrayListAction);
}
}
public void UpdateDatabase()
{
try
{
IUpdateAction updateBooksDataAction = new UpdateStoreAction(this);
DatabaseManager.Instance.PerformDataUpdate(updateBooksDataAction);
}
catch (DatabaseException ex)
{
throw new BookEntitiesException(ex.Message, ex);
}
}
