} // End Sub CreateIndex
// Following example show how to save file and read back from gridfs(using official mongodb driver):
// http://www.mongovue.com/
public void Test()
{
MongoDB.Driver.MongoServer server = MongoServer.Create("mongodb://localhost:27020");
MongoDB.Driver.MongoDatabase database = server.GetDatabase("tesdb");
string fileName = "D:\\Untitled.png";
string newFileName = "D:\\new_Untitled.png";
using (System.IO.FileStream fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open))
{
MongoDB.Driver.GridFS.MongoGridFSFileInfo gridFsInfo = database.GridFS.Upload(fs, fileName);
BsonValue fileId = gridFsInfo.Id;
ObjectId oid = new ObjectId(fileId.AsByteArray);
MongoDB.Driver.GridFS.MongoGridFSFileInfo file = database.GridFS.FindOne(Query.EQ("_id", oid));
using (System.IO.Stream stream = file.OpenRead())
{
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
using (System.IO.FileStream newFs = new System.IO.FileStream(newFileName, System.IO.FileMode.Create))
{
newFs.Write(bytes, 0, bytes.Length);
} // End Using newFs
} // End Using stream
} // End using fs
} // End Sub Test
/// <summary>
/// Opens an existing GridFS file for reading.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenRead(
string remoteFileName
)
{
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName);
return(fileInfo.OpenRead());
}
/// <summary>
/// Opens an existing GridFS file for reading.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenRead(string remoteFileName)
{
using (_server.RequestStart(_settings.ReadPreference))
{
var serverInstance = _server.RequestServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName);
return(fileInfo.OpenRead());
}
}
/// <summary>
/// Opens an existing GridFS file for reading.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenRead(
string remoteFileName
) {
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName);
return fileInfo.OpenRead();
}
/// <summary>
/// Opens an existing GridFS file for reading.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenRead(string remoteFileName)
{
using (_server.RequestStart(null, _settings.ReadPreference))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName);
return fileInfo.OpenRead();
}
}
