public CountAggregator(IWriteStuff writer)
{
_wordCounts = new Dictionary <String, Int32>();
_writer = writer;
Receive <CountWord>(msg =>
{
if (_wordCounts.ContainsKey(msg.Word))
{
_wordCounts[msg.Word] += 1;
}
else
{
_wordCounts.Add(msg.Word, 1);
}
});
Receive <CountCompleted>(msg =>
{
//all words are there...display the top 25 in order
var topWords = _wordCounts.OrderByDescending(w => w.Value)
.Take(25);
foreach (var word in topWords)
{
_writer.WriteLine($"{word.Key} == {word.Value} times");
}
});
}
private void SetupBehaviors(IWriteStuff writer)
{
Receive <StartCount>(msg =>
{
var lineNumber = 0;
var fileInfo = new FileInfo(msg.FileName);
// TODO
// (1) Create a child reader actor (LineReaderActor) using the current Context.
// To instantiate an actor you should use a "Props".
// for true parallelism, instantiate the actor using a Pool that load-balance
// the work across the actor-children.
// (2) Use the previous FileInfo "fileInfo" to read the text content,
// and then push each line of the text to the reader actor created in (1).
// use the message types "ReadLineForCounting" and then complete when all the
// lines have been sent "Completed".
// Note: the message "ReadLineForCounting" take a line-number, so the
// variable "var lineNumber = 0;" could be helpful here.
// Note: if you have instantiated the LineReaderActor actor using a pool, the
// "Complete" message should be sent to all the children (Broadcast)
// CODE HERE
});
Receive <MappedList>(msg =>
{
foreach (var key in msg.LineWordCount.Keys)
{
if (_wordCount.ContainsKey(key))
{
_wordCount[key] += msg.LineWordCount[key];
}
else
{
_wordCount.Add(key, msg.LineWordCount[key]);
}
}
});
Receive <Complete>(msg =>
{
_completeRoutees++;
if (_completeRoutees == _numberOfRoutees)
{
var topWords = _wordCount.OrderByDescending(w => w.Value).Take(25);
foreach (var word in topWords)
{
_writer.WriteLine($"{word.Key} == {word.Value} times");
}
_stopwatch.Stop();
writer.WriteLine($"Elapsed time: {_stopwatch.ElapsedMilliseconds}");
}
});
}
private void SetupBehaviors(IWriteStuff writer)
{
Receive <StartCount>(msg =>
{
var fileInfo = new FileInfo(msg.FileName);
var lineNumber = 0;
var lineReader = Context.ActorOf(new RoundRobinPool(_numberOfRoutees)
.Props(LineReaderActor.Create(writer)));
using (var reader = fileInfo.OpenText())
{
while (!reader.EndOfStream)
{
lineNumber++;
var line = reader.ReadLine();
lineReader.Tell(new ReadLineForCounting(lineNumber, line));
}
}
lineReader.Tell(new Broadcast(new Complete()));
});
Receive <MappedList>(msg =>
{
foreach (var key in msg.LineWordCount.Keys)
{
if (_wordCount.ContainsKey(key))
{
_wordCount[key] += msg.LineWordCount[key];
}
else
{
_wordCount.Add(key, msg.LineWordCount[key]);
}
}
});
Receive <Complete>(msg =>
{
_completeRoutees++;
if (_completeRoutees == _numberOfRoutees)
{
var topWords = _wordCount.OrderByDescending(w => w.Value).Take(25);
foreach (var word in topWords)
{
_writer.WriteLine($"{word.Key} == {word.Value} times");
}
_stopwatch.Stop();
writer.WriteLine($"Elapsed time: {_stopwatch.ElapsedMilliseconds}");
}
});
}
private static String PrintInstructionsAndGetFile(IReadStuff reader, IWriteStuff writer)
{
writer.WriteLine("Word counter. Select the document to count:");
writer.WriteLine(" (1) Magna Carta");
writer.WriteLine(" (2) Declaration of Independence");
var choice = reader.ReadLine();
String file = AppDomain.CurrentDomain.BaseDirectory + @"\Files\";
if (choice.Equals("1"))
{
file += @"MagnaCarta.txt";
}
else if (choice.Equals("2"))
{
file += @"DeclarationOfIndependence.txt";
}
else
{
writer.WriteLine("Invalid -- bye!");
return null;
}
return file;
}
private static String PrintInstructionsAndGetFile(IReadStuff reader, IWriteStuff writer)
{
writer.WriteLine("Word counter. Select the document to count:");
writer.WriteLine(" (1) Magna Carta");
writer.WriteLine(" (2) Declaration of Independence");
var choice = reader.ReadLine();
String file = AppDomain.CurrentDomain.BaseDirectory + @"\Files\";
if (choice.Equals("1"))
{
file += @"MagnaCarta.txt";
}
else if (choice.Equals("2"))
{
file += @"DeclarationOfIndependence.txt";
}
else
{
writer.WriteLine("Invalid -- bye!");
return(null);
}
return(file);
}
private void DetermineIfCountsShouldBeDisplayed()
{
if (_totalWords > 0)
{
if (_wordCounts.Keys.Count == _totalWords)
{
//all words are there...display the top 25 in order
var topWords = _wordCounts.OrderByDescending(w => w.Value)
.Take(25);
foreach (var word in topWords)
{
_writer.WriteLine($"{word.Key} == {word.Value} times");
}
}
}
}
private void SetupBehaviors(IWriteStuff writer)
{
Receive<StartCount>(msg =>
{
var fileInfo = new FileInfo(msg.FileName);
var lineNumber = 0;
var lineReader = Context.ActorOf(new RoundRobinPool(_numberOfRoutees)
.Props(LineReaderActor.Create(writer)));
using (var reader = fileInfo.OpenText())
{
while (!reader.EndOfStream)
{
lineNumber++;
var line = reader.ReadLine();
lineReader.Tell(new ReadLineForCounting(lineNumber, line));
}
}
lineReader.Tell(new Broadcast(new Complete()));
});
Receive<MappedList>(msg =>
{
foreach (var key in msg.LineWordCount.Keys)
{
if (_wordCount.ContainsKey(key))
{
_wordCount[key] += msg.LineWordCount[key];
}
else
{
_wordCount.Add(key, msg.LineWordCount[key]);
}
}
});
Receive<Complete>(msg =>
{
_completeRoutees++;
if (_completeRoutees == _numberOfRoutees)
{
var topWords = _wordCount.OrderByDescending(w => w.Value).Take(25);
foreach (var word in topWords)
{
_writer.WriteLine($"{word.Key} == {word.Value} times");
}
_stopwatch.Stop();
writer.WriteLine($"Elapsed time: {_stopwatch.ElapsedMilliseconds}");
}
});
}
