public TailActor(IActorRef reportActor, string fileUri)
{
_reportActor = reportActor;
_fileUri = fileUri;
_fileObserver = new FileObserver(fileUri);
var self = Self;
_fileObserver.OnError += e => {
self.Tell(new FileErrored(e.Message));
};
_fileObserver.OnChanged += () => {
self.Tell(new FileChanged());
};
_fileObserver.Start();
var fileStream = new FileStream(fileUri, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_streamReader = new StreamReader(fileStream, Encoding.UTF8);
var initialText = _streamReader.ReadToEnd();
Self.Tell(new InitialRead(initialText));
}
/// <summary>
/// Cleanup OS handles for <see cref="fileStreamReader"/> and <see cref="FileObserver"/>.
/// </summary>
protected override void PostStop()
{
this.observer.Dispose();
this.observer = null;
this.fileStreamReader.Close();
this.fileStreamReader.Dispose();
base.PostStop();
}
protected override void PostStop()
{
_observer.Dispose();
_observer = null;
_fileStreamReader.Close();
_fileStreamReader.Dispose();
base.PostStop();
}
protected override void PostStop()
{
_observer.Dispose();
_observer = null;
_fileStreamReader.Close();
_fileStreamReader.Dispose();
base.PostStop();
}
protected override void PreStart()
{
base.PreStart();
observer = new FileObserver(Self, Path.GetFullPath(filePath));
observer.Start();
fileStream = new FileStream(Path.GetFullPath(filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(filePath, Encoding.UTF8);
Self.Tell(new InitialRead(filePath, fileStreamReader.ReadToEnd()));
}
protected override void PreStart()
{
base.PreStart();
observer = new FileObserver(Self, Path.GetFullPath(filePath));
observer.Start();
fileStream = new FileStream(Path.GetFullPath(filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(filePath, Encoding.UTF8);
Self.Tell(new InitialRead(filePath, fileStreamReader.ReadToEnd()));
}
protected override void PostStop()
{
// clean up
_observer.Dispose();
_observer = null;
_streamReader.Close();
_streamReader.Dispose();
base.PostStop();
}
protected override void PreStart()
{
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
protected override void PostStop()
{
// clean up resources
_observer?.Dispose();
_observer = null;
_fileStreamReader?.Close();
_fileStreamReader?.Dispose();
_fileStreamReader = null;
base.PostStop();
}
protected override void PreStart()
{
_observer = new FileObserver(Self, _fullFilePath);
_observer.Start();
_fileStream = new FileStream(_fullFilePath,
FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
Self.Tell(new InitialRead(_filePath, _fileStreamReader.ReadToEnd()));
}
protected override void PreStart()
{
_fileObserver = new FileObserver(Self, Path.GetFullPath(_filePath));
_fileObserver.Start();
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
/// <summary>
/// Initialization logic for actor that will tail changes to a file
/// </summary>
protected override void PreStart()
{
// start watching the file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
//open the file stream with shared read/write permissions (so file can be written to while open)
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
//read the initial contents of the file
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
protected override void PreStart()
{
//start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filepath));
_observer.Start();
//open file stream to write to file while it is open
_fileStream = new FileStream(Path.GetFullPath(_filepath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
//read initial file contents and send to console as first message
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filepath, text));
}
protected override void PreStart()
{
// start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
var fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.ReadWrite);
_fileStreamReader = new StreamReader(fileStream, Encoding.UTF8);
// the file probably has changed so start reading it
Self.Tell(new FileWrite(_filePath));
base.PreStart();
}
public TailActor(IActorRef reporterActor, string filePath)
{
_reporterActor = reporterActor;
_fileObserver = new FileObserver(Self, Path.GetFullPath(filePath));
_fileObserver.Start();
_fileStream = new FileStream(Path.GetFullPath(filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(filePath, text));
}
protected override void PreStart()
{
observer = new FileObserver(Self, Path.GetFullPath(filePath));
observer.Start();
// open the file stream with shared read/write permissions
// (so file can be written to while open)
fileStream = new FileStream(Path.GetFullPath(filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first msg
string text = fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(filePath, text));
}
public TailActor(IActorRef reporterActor, string filePath)
{
_reporterActor = reporterActor;
_filePath = filePath;
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
protected override void PreStart()
{
var fullPath = Path.GetFullPath(this._filePath);
this._observer = new FileObserver(Self, fullPath);
this._observer.Start();
this._fileStream = new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this._fileStreamReader = new StreamReader(this._fileStream);
var text = this._fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(this._filePath, text));
}
protected override void PreStart()
{
// start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
var fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.ReadWrite);
_fileStreamReader = new StreamReader(fileStream, Encoding.UTF8);
// the file probably has changed so start reading it
Self.Tell(new FileWrite(_filePath));
base.PreStart();
}
/// <summary>
/// Initialization logic for actor that will tail changes to a file.
/// </summary>
protected override void PreStart()
{
// start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first message
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
protected override void PreStart()
{
observer = new FileObserver(Self, Path.GetFullPath(filePath));
observer.Start();
// open the file stream with shared read/write permissions
// (so file can be written to while open)
fileStream = new FileStream(Path.GetFullPath(filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first msg
string text = fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(filePath, text));
}
protected override void PreStart()
{
//start watching file
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
//open file with shared r/w permissions so it can be written to while open
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
//read initial file contents and swend as message to console
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
protected override void PreStart()
{
//start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filepath));
_observer.Start();
//open file stream to write to file while it is open
_fileStream = new FileStream(Path.GetFullPath(_filepath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
//read initial file contents and send to console as first message
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filepath, text));
}
protected override void PreStart()
{
// start watching file for changes -- giving ourselves as reference
// so that the observer can send messages to us. Note the observer is not
// an Actor itself. Messages are sent to us with NoSender.
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
// open the file stream with shared read/write permissions
// (so file can be written to while open)
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first msg
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
public TailActor(IActorRef reporterActor, string filePath)
{
_reporterActor = reporterActor;
_filePath = filePath;
// start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read,
FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first message
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
public TailActor(IActorRef reporterActor, string filePath)
{
_reporterActor = reporterActor;
_filePath = filePath;
// start watching file for changes
_observer = new FileObserver(Self, Path.GetFullPath(_filePath));
_observer.Start();
// open the file stream with shared read/write permissions
// (so file can be written to while open)
_fileStream = new FileStream(Path.GetFullPath(_filePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_fileStreamReader = new StreamReader(_fileStream, Encoding.UTF8);
// read the initial contents of the file and send it to console as first msg
var text = _fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(_filePath, text));
}
// we moved all the initialization logic from the constructor
// down below to PreStart!
/// <summary>
/// Initialization logic for actor that will tail changes to a file.
/// </summary>
protected override void PreStart()
{
base.PreStart();
string fullPath = Path.GetFullPath(this.filePath);
// start watching file for changes
observer = new FileObserver(Self, fullPath);
observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
fileStream = File.Open(fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(fileStream);
// read the initial contents of the file and send it to console as first message
string text = fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(filePath, text));
}
// we moved all the initialization logic from the constructor
// down below to PreStart!
/// <summary>
/// Initialization logic for actor that will tail changes to a file.
/// </summary>
protected override void PreStart()
{
base.PreStart();
string fullPath = Path.GetFullPath(this.filePath);
// start watching file for changes
observer = new FileObserver(Self, fullPath);
observer.Start();
// open the file stream with shared read/write permissions (so file can be written to while open)
fileStream = File.Open(fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fileStreamReader = new StreamReader(fileStream);
// read the initial contents of the file and send it to console as first message
string text = fileStreamReader.ReadToEnd();
Self.Tell(new InitialRead(filePath, text));
}
