public override void Map(string inputLine, MapperContext context)
{
var delivery = new Delivery();
double result = 0.0;
context.Log("MAPPER:::START");
context.Log(inputLine);
context.Log("UTF-8: " + Encoding.UTF8.GetBytes(inputLine).Length);
context.Log("ASCII: " + Encoding.ASCII.GetBytes(inputLine).Length);
// Read the incoming string as a Thrift Binary serialized object
var inputStream = new MemoryStream(Encoding.UTF8.GetBytes(inputLine));
using (var transport = new TStreamTransport(inputStream, null))
{
delivery.Read(new TBinaryProtocol(transport));
context.Log("MAPPER:::AFTER_READ");
// Get the driven kilometers from the vehicle's odometer sensor
var sensorData = delivery.Vehicle.SensorHistory;
var minOdo = sensorData.Min(d => d.OdoMeter);
var maxOdo = sensorData.Max(d => d.OdoMeter);
result = maxOdo - minOdo;
context.Log("MAPPER:::BEFORE_STREAM_CLOSE");
}
context.Log("MAPPER:::AFTER_STREAM_CLOSE");
// Emit the vehicle id, and the driven kilometers.
if (result > 0.1)
{
context.EmitKeyValue(delivery.Vehicle.VehicleId, result.ToString(CultureInfo.InvariantCulture));
}
context.Log("MAPPER:::END");
}
}; //ascii 58--64 + misc.
public override void Map(string inputLine, MapperContext context)
{
foreach (string word in inputLine.Trim().Split(this._punctuationChars))
{
context.IncrementCounter("mapInputs");
context.Log(string.Format("Map:: {0},{1}", word, "1"));
context.EmitKeyValue(word, "1");
}
}
public override void Map(string inputLine, MapperContext context)
{
//example input: Hello, Andy
if (!inputLine.StartsWith("Hello, "))
{
context.Log(string.Format("The inputLine {0} is not in the correct format", inputLine));
context.IncrementCounter("RecoverableError", "InputFormatIncorrect", 1);
return;
}
var key = inputLine.Substring(7);
if (key.EndsWith(".")) key = key.Trim('.');
context.EmitKeyValue(key, "1");//we are going to count instances, the value is irrelevant
}
public override void Map(string inputLine, MapperContext context)
{
//example input: Hello, Andy
if (!inputLine.StartsWith("Hello, "))
{
context.Log(string.Format("The inputLine {0} is not in the correct format", inputLine));
context.IncrementCounter("RecoverableError", "InputFormatIncorrect", 1);
return;
}
var key = inputLine.Substring(7);
if (key.EndsWith("."))
{
key = key.Trim('.');
}
context.EmitKeyValue(key, "1");//we are going to count instances, the value is irrelevant
}
public override void Map(string inputLine, MapperContext context)
{
var delivery = new Delivery();
double result = 0.0;
context.Log("MAPPER:::START");
context.Log(inputLine);
context.Log("UTF-8: " + Encoding.UTF8.GetBytes(inputLine).Length);
context.Log("ASCII: " + Encoding.ASCII.GetBytes(inputLine).Length);
// Read the incoming string as a Thrift Binary serialized object
var inputStream = new MemoryStream(Encoding.UTF8.GetBytes(inputLine));
using (var transport = new TStreamTransport(inputStream, null))
{
delivery.Read(new TBinaryProtocol(transport));
context.Log("MAPPER:::AFTER_READ");
// Get the driven kilometers from the vehicle's odometer sensor
var sensorData = delivery.Vehicle.SensorHistory;
var minOdo = sensorData.Min(d => d.OdoMeter);
var maxOdo = sensorData.Max(d => d.OdoMeter);
result = maxOdo - minOdo;
context.Log("MAPPER:::BEFORE_STREAM_CLOSE");
}
context.Log("MAPPER:::AFTER_STREAM_CLOSE");
// Emit the vehicle id, and the driven kilometers.
if (result > 0.1)
{
context.EmitKeyValue(delivery.Vehicle.VehicleId, result.ToString(CultureInfo.InvariantCulture));
}
context.Log("MAPPER:::END");
}
