/// <summary>
/// Gets the media.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="cacheConnector">The cache connector.</param>
/// <returns>A memory stream for the media object.</returns>
/// <remarks>Documented by Dev03, 2008-08-05</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public System.IO.Stream GetMediaStream(int id, IDbMediaConnector cacheConnector)
{
MemoryStream stream = null;
SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser);
cmd.CommandText = "SELECT data FROM \"MediaContent\" WHERE id=@id;";
cmd.Parameters.Add("@id", id);
byte[] media = (byte[])MSSQLCEConn.ExecuteScalar(cmd);
if (media != null)
{
stream = new MemoryStream(media);
stream.Seek(0, SeekOrigin.Begin);
}
return(stream);
}
/// <summary>
/// Gets the media.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="cacheConnector">The cache connector.</param>
/// <returns>A memory stream for the media object.</returns>
/// <remarks>Documented by Dev03, 2008-08-05</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public Stream GetMediaStream(int id, IDbMediaConnector cacheConnector)
{
CachingStream stream = null;
using (NpgsqlConnection conn = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
int noid = 0;
using (NpgsqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "SELECT data FROM \"MediaContent\" WHERE id=:id;";
cmd.Parameters.Add("id", id);
noid = Convert.ToInt32(PostgreSQLConn.ExecuteScalar(cmd, Parent.CurrentUser));
}
NpgsqlTransaction tran = conn.BeginTransaction();
LargeObjectManager lbm = new LargeObjectManager(conn);
LargeObject largeObject = lbm.Open(noid, LargeObjectManager.READWRITE);
byte[] buffer = LargeObjectToBuffer(largeObject);
stream = new CachingStream(buffer, id, cacheConnector);
largeObject.Close();
tran.Commit();
}
return(stream);
}
/// <summary>
/// Gets the media.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="cacheConnector">The cache connector.</param>
/// <returns>A memory stream for the media object.</returns>
/// <remarks>Documented by Dev03, 2008-08-05</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public Stream GetMediaStream(int id, IDbMediaConnector cacheConnector)
{
CachingStream stream = null;
using (NpgsqlConnection conn = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
int noid = 0;
using (NpgsqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "SELECT data FROM \"MediaContent\" WHERE id=:id;";
cmd.Parameters.Add("id", id);
noid = Convert.ToInt32(PostgreSQLConn.ExecuteScalar(cmd, Parent.CurrentUser));
}
NpgsqlTransaction tran = conn.BeginTransaction();
LargeObjectManager lbm = new LargeObjectManager(conn);
LargeObject largeObject = lbm.Open(noid, LargeObjectManager.READWRITE);
byte[] buffer = LargeObjectToBuffer(largeObject);
stream = new CachingStream(buffer, id, cacheConnector);
largeObject.Close();
tran.Commit();
}
return stream;
}
/// <summary>
/// Gets the media.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="cacheConnector">The cache connector.</param>
/// <returns>A memory stream for the media object.</returns>
/// <remarks>Documented by Dev03, 2008-08-05</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public System.IO.Stream GetMediaStream(int id, IDbMediaConnector cacheConnector)
{
MemoryStream stream = null;
SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser);
cmd.CommandText = "SELECT data FROM \"MediaContent\" WHERE id=@id;";
cmd.Parameters.Add("@id", id);
byte[] media = (byte[])MSSQLCEConn.ExecuteScalar(cmd);
if (media != null)
{
stream = new MemoryStream(media);
stream.Seek(0, SeekOrigin.Begin);
}
return stream;
}
/// <summary>
/// Initializes a new instance of the <see cref="CachingStream"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="id">The id.</param>
/// <param name="connector">The media connector.</param>
/// <remarks>
/// Documented by CFI, 2009-03-30
/// </remarks>
public CachingStream(byte[] buffer, int id, IDbMediaConnector connector)
: base(buffer)
{
MediaId = id;
MediaConnector = connector;
}
/// <summary>
/// Initializes a new instance of the <see cref="CachingStream"/> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="id">The id.</param>
/// <param name="connector">The media connector.</param>
/// <remarks>
/// Documented by CFI, 2009-03-30
/// </remarks>
public CachingStream(byte[] buffer, int id, IDbMediaConnector connector)
: base(buffer)
{
MediaId = id;
MediaConnector = connector;
}