/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <returns></returns>
/// <remarks>
/// If not set explicitly through properties, compression and archival settings
/// are figured out automatically from the file extension.
/// </remarks>
public Stream Open(Uri uri, DataFileMode mode)
{
this.uri = uri;
this.mode = mode;
return(Open());
}
public SqlServerNativeDataFile(Stream stream, DataFileMode fileMode)
: base(stream, fileMode)
{
InitializeMembers();
Open();
}
public SqlServerNativeDataFile(Uri uri, DataFileMode fileMode)
: base(uri, fileMode)
{
InitializeMembers();
Open();
}
public DelimitedTextDataFile(Stream stream, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, encoding, culture)
{
InitializeMembers(new StreamingContext());
Open();
}
public SqlServerNativeDataFile(Stream stream, DataFileMode fileMode)
: base(stream, fileMode)
{
InitializeMembers();
Open();
}
/// <summary>
/// Opens a file by wrapping a stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
protected void OpenExternalStream(Stream stream, DataFileMode fileMode)
{
this.baseStream = stream;
this.ownsBaseStream = false;
this.fileMode = fileMode;
}
/// <summary>
/// Constructs a file and opens a stream automatically.
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
/// <param name="compression"></param>
protected DataFileBase(Uri uri, DataFileMode fileMode)
{
InitializeMembers(new StreamingContext());
this.uri = uri;
this.fileMode = fileMode;
}
public DelimitedTextDataFile(Stream stream, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, encoding, culture)
{
InitializeMembers(new StreamingContext());
Open();
}
public CsvFile(Stream stream, DataFileMode fileMode, CompressionMethod compression, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, compression, encoding, culture)
{
InitializeMembers();
Open();
}
public SqlServerNativeDataFile(Uri uri, DataFileMode fileMode)
: base(uri, fileMode)
{
InitializeMembers();
Open();
}
protected FormattedDataFileBase(Stream stream, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(stream, fileMode)
{
InitializeMembers(new StreamingContext());
this.encoding = encoding;
this.culture = culture;
}
protected FormattedDataFile(Stream stream, DataFileMode fileMode, CompressionMethod compression, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, compression)
{
InitializeMembers();
this.encoding = encoding;
this.culture = culture;
}
/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
/// <param name="archival"></param>
/// <returns></returns>
public Stream Open(Uri uri, DataFileMode mode, DataFileCompression compression, DataFileArchival archival)
{
this.uri = uri;
this.mode = mode;
this.compression = compression;
this.archival = archival;
return(Open());
}
/// <summary>
/// Initializes private member variables.
/// </summary>
private void InitializeMembers()
{
this.uri = null;
this.mode = DataFileMode.Read;
this.compression = DataFileCompression.Automatic;
this.archival = DataFileArchival.Automatic;
this.userName = null;
this.password = null;
}
/// <summary>
/// Opens a file by wrapping an external file stream
/// </summary>
/// <param name="stream"></param>
/// <param name="fileMode"></param>
public void Open(Stream stream, DataFileMode fileMode)
{
if (stream == null)
{
throw new ArgumentNullException("stream"); // TODO
}
OpenExternalStream(stream, fileMode);
Open();
}
/// <summary>
/// Opens a file by opening a new stream.
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
public void Open(Uri uri, DataFileMode fileMode)
{
if (uri == null)
{
throw new ArgumentNullException("uri"); // TODO
}
this.uri = uri;
this.fileMode = fileMode;
Open();
}
private void InitializeMembers(StreamingContext context)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.streamFactoryType = null;
this.fileMode = DataFileMode.Unknown;
this.uri = null;
this.generateIdentityColumn = false;
this.blocks = new List <DataFileBlockBase>();
this.blockCounter = -1;
}
private void CopyMembers(DataFileBase old)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.fileMode = old.fileMode;
this.uri = old.uri;
this.generateIdentityColumn = old.generateIdentityColumn;
// Deep copy of blocks
this.blocks = new List <DataFileBlockBase>();
foreach (var b in old.blocks)
{
var nb = (DataFileBlockBase)b.Clone();
this.blocks.Add((DataFileBlockBase)b.Clone());
}
this.blockCounter = -1;
}
protected void Open(DataFileMode fileMode, DataFileArchival archival)
{
EnsureNotOpen();
if (baseStream == null)
{
// Open input stream
// Check if the archival option is turned on and open archive
// file if necessary by opening an IArchiveInputStream
var sf = GetStreamFactory();
sf.Uri = uri;
sf.Mode = fileMode;
sf.Archival = archival;
// TODO: add authentication options here
baseStream = sf.Open();
ownsBaseStream = true;
}
else
{
// Do nothing
}
}
/// <summary>
/// Initializes private member variables.
/// </summary>
private void InitializeMembers()
{
this.uri = null;
this.mode = DataFileMode.Read;
this.compression = DataFileCompression.Automatic;
this.archival = DataFileArchival.Automatic;
this.userName = null;
this.password = null;
}
public DelimitedTextDataFile(Uri uri, DataFileMode fileMode)
: this(uri, fileMode, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
/// <summary>
/// Opens a file by opening a new stream.
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
public void Open(Uri uri, DataFileMode fileMode)
{
if (uri == null)
{
throw new ArgumentNullException("uri"); // TODO
}
this.uri = uri;
this.fileMode = fileMode;
Open();
}
/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
/// <param name="archival"></param>
/// <returns></returns>
public Stream Open(Uri uri, DataFileMode mode, DataFileCompression compression, DataFileArchival archival)
{
this.uri = uri;
this.mode = mode;
this.compression = compression;
this.archival = archival;
return Open();
}
/// <summary>
/// Constructs a file and opens a stream automatically.
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
/// <param name="compression"></param>
protected DataFileBase(Uri uri, DataFileMode fileMode)
{
InitializeMembers(new StreamingContext());
this.uri = uri;
this.fileMode = fileMode;
}
public CsvFile(Uri uri, DataFileMode fileMode)
: this(uri, fileMode, CompressionMethod.Automatic)
{
// Overload
}
private void InitializeMembers(StreamingContext context)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.streamFactoryType = null;
this.fileMode = DataFileMode.Unknown;
this.uri = null;
this.generateIdentityColumn = false;
this.blocks = new List<DataFileBlockBase>();
this.blockCounter = -1;
}
/// <summary>
/// Opens a file by wrapping a stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
protected void OpenExternalStream(Stream stream, DataFileMode fileMode)
{
this.baseStream = stream;
this.ownsBaseStream = false;
this.fileMode = fileMode;
}
public CsvFile(Uri uri, DataFileMode fileMode, CompressionMethod compression)
: this(uri, fileMode, compression, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
/// <summary>
/// Constructs a file and opens a stream automatically
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
/// <param name="compression"></param>
protected DataFileBase(Uri uri, DataFileMode fileMode, CompressionMethod compression)
{
InitializeMembers();
this.uri = uri;
this.fileMode = fileMode;
this.compression = compression;
}
protected TextDataFileBase(Uri uri, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(uri, fileMode, encoding, culture)
{
InitializeMembers();
}
protected TextDataFileBase(Stream stream, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, encoding, culture)
{
InitializeMembers();
}
protected TextDataFileBase(Uri uri, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(uri, fileMode, encoding, culture)
{
InitializeMembers();
}
/// <summary>
/// Constructs a file object around an already open stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="fileMode"></param>
protected DataFileBase(Stream stream, DataFileMode fileMode)
{
InitializeMembers(new StreamingContext());
OpenExternalStream(stream, fileMode);
}
protected TextDataFile(Uri uri, DataFileMode fileMode, CompressionMethod compression, Encoding encoding, CultureInfo culture)
: base(uri, fileMode, compression, encoding, culture)
{
InitializeMembers();
}
private void CopyMembers(DataFileBase old)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.fileMode = old.fileMode;
this.uri = old.uri;
this.generateIdentityColumn = old.generateIdentityColumn;
// Deep copy of blocks
this.blocks = new List<DataFileBlockBase>();
foreach (var b in old.blocks)
{
var nb = (DataFileBlockBase)b.Clone();
this.blocks.Add((DataFileBlockBase)b.Clone());
}
this.blockCounter = -1;
}
public CsvFile(Stream stream, DataFileMode fileMode)
: this(stream, fileMode, CompressionMethod.None, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
private void InitializeMembers()
{
this.baseStream = null;
this.ownsBaseStream = false;
this.uncompressedStream = null;
this.fileMode = DataFileMode.Unknown;
this.compression = CompressionMethod.None;
this.uri = null;
this.blocks = new List<DataFileBlockBase>();
this.blockCounter = -1;
}
/// <summary>
/// Constructs a file object around an already open stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="fileMode"></param>
protected DataFileBase(Stream stream, DataFileMode fileMode)
{
InitializeMembers(new StreamingContext());
OpenExternalStream(stream, fileMode);
}
public DelimitedTextDataFile(Stream stream, DataFileMode fileMode)
: this(stream, fileMode, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
/// <summary>
/// Opens a file by wrapping a stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
public virtual void Open(Stream stream, DataFileMode fileMode)
{
EnsureNotOpen();
this.baseStream = stream;
this.ownsBaseStream = false;
this.fileMode = fileMode;
}
public DelimitedTextDataFile(Uri uri, DataFileMode fileMode)
: this(uri, fileMode, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
protected DataFileBase(Stream stream, DataFileMode fileMode, CompressionMethod compression)
{
InitializeMembers();
this.baseStream = stream;
this.fileMode = fileMode;
this.compression = compression;
}
public DelimitedTextDataFile(Stream stream, DataFileMode fileMode)
: this(stream, fileMode, Encoding.ASCII, CultureInfo.InvariantCulture)
{
// Overload
}
protected void Open(DataFileMode fileMode, DataFileArchival archival)
{
EnsureNotOpen();
if (baseStream == null)
{
// Open input stream
// Check if the archival option is turned on and open archive
// file if necessary by opening an IArchiveInputStream
var sf = GetStreamFactory();
sf.Uri = uri;
sf.Mode = fileMode;
sf.Archival = archival;
// TODO: add authentication options here
baseStream = sf.Open();
ownsBaseStream = true;
}
else
{
// Do nothing
}
}
/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <returns></returns>
/// <remarks>
/// If not set explicitly through properties, compression and archival settings
/// are figured out automatically from the file extension.
/// </remarks>
public Stream Open(Uri uri, DataFileMode mode)
{
this.uri = uri;
this.mode = mode;
return Open();
}
/// <summary>
/// Opens a file by wrapping an external file stream
/// </summary>
/// <param name="stream"></param>
/// <param name="fileMode"></param>
public void Open(Stream stream, DataFileMode fileMode)
{
if (stream == null)
{
throw new ArgumentNullException("stream"); // TODO
}
OpenExternalStream(stream, fileMode);
Open();
}
protected TextDataFileBase(Stream stream, DataFileMode fileMode, Encoding encoding, CultureInfo culture)
: base(stream, fileMode, encoding, culture)
{
InitializeMembers();
}
public override void Open(Stream stream, DataFileMode fileMode)
{
base.Open(stream, fileMode);
Open();
}
