// Gets the total number of purchases made by new users in North America & in Europe.
// The input is the output from the AggregatePurchaseMapper job
// In format: 'Country \t Number of Purchases \t % of the purchases made by New users' E.g. 'France 5 15.64'
public override void Map(string inputLine, MapperContext context)
{
var dataRow = inputLine.Split('\t');
if (dataRow.Count() == 3)
{
var country = dataRow[0];
int numPurchases;
double percentNew;
if (int.TryParse(dataRow[1], out numPurchases) && double.TryParse(dataRow[2], out percentNew))
{
var continent = string.Empty;
if (_europeanCountries.Contains(country))
{
continent = "Europe";
context.IncrementCounter("HitMissProgress", "EuropeanCountryFound", 1);
}
else if (_northAmericanCountries.Contains(country))
{
continent = "North America";
context.IncrementCounter("HitMissProgress", "NorthAmericanCountryFound", 1);
}
if (!string.IsNullOrEmpty(continent))
{
var numNewUserPurchases = Math.Round(numPurchases * percentNew / 100, 2);
context.EmitKeyValue(continent, numNewUserPurchases.ToString(CultureInfo.InvariantCulture));
}
}
}
}
// Gets the total number of purchases made by new users in North America & in Europe.
// The input is the output from the AggregatePurchaseMapper job
// In format: 'Country \t Number of Purchases \t % of the purchases made by New users' E.g. 'France 5 15.64'
public override void Map(string inputLine, MapperContext context)
{
var dataRow = inputLine.Split('\t');
if (dataRow.Count() == 3)
{
var country = dataRow[0];
int numPurchases;
double percentNew;
if (int.TryParse(dataRow[1], out numPurchases) && double.TryParse(dataRow[2], out percentNew))
{
var continent = string.Empty;
if (_europeanCountries.Contains(country))
{
continent = "Europe";
context.IncrementCounter("HitMissProgress", "EuropeanCountryFound", 1);
}
else if (_northAmericanCountries.Contains(country))
{
continent = "North America";
context.IncrementCounter("HitMissProgress", "NorthAmericanCountryFound", 1);
}
if (!string.IsNullOrEmpty(continent))
{
var numNewUserPurchases = Math.Round(numPurchases * percentNew / 100, 2);
context.EmitKeyValue(continent, numNewUserPurchases.ToString(CultureInfo.InvariantCulture));
}
}
}
}
// Gets the total number of purchases in each country across the 4 days & the % of these purchases made by new users.
// Each data row in 'clickstearm' data file is in the format...
// 'DateTime of Hit \t ProductId \t VisitorType \t Country of Request \t Referrer \t Action'
// E.g. 01/03/2013 18:51:31 159822 Regular USA Adword Purchase
public override void Map(string inputLine, MapperContext context)
{
var dataRow = inputLine.Split('\t');
if (dataRow.Count() == 6)
{
var visitorType = dataRow[2];
var country = dataRow[3];
var action = dataRow[5];
if (action == "Purchase")
{
context.IncrementCounter("HitMissProgress", "PurchaseFound", 1);
context.EmitKeyValue(country, visitorType);
}
context.IncrementCounter("HitMissProgress", "PurchaseNotFound", 1);
}
}
}; //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");
}
}
// Gets the total number of purchases in each country across the 4 days & the % of these purchases made by new users.
// Each data row in 'clickstearm' data file is in the format...
// 'DateTime of Hit \t ProductId \t VisitorType \t Country of Request \t Referrer \t Action'
// E.g. 01/03/2013 18:51:31 159822 Regular USA Adword Purchase
public override void Map(string inputLine, MapperContext context)
{
var dataRow = inputLine.Split('\t');
if (dataRow.Count() == 6)
{
var visitorType = dataRow[2];
var country = dataRow[3];
var action = dataRow[5];
if (action == "Purchase")
{
context.IncrementCounter("HitMissProgress", "PurchaseFound", 1);
context.EmitKeyValue(country, visitorType);
}
context.IncrementCounter("HitMissProgress", "PurchaseNotFound", 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
}