public PivotLevel ComputePivot(OrQuery filter, IEnumerable <int> axis, IEnumerable <int> values)
{
var result = new PivotLevel();
try
{
Parallel.ForEach(CacheClients, client =>
{
var pivot = client.ComputePivot(filter, axis, values);
lock (result)
{
result.MergeWith(pivot);
}
});
}
catch (AggregateException e)
{
if (e.InnerException != null)
{
throw e.InnerException;
}
}
return(result);
}
public void ComputePivotWithMultipleAxis()
{
var schema = TypedSchemaFactory.FromType(typeof(Order));
var order1 = new Order
{
Amount = 123.45, Date = DateTimeOffset.Now, Category = "geek", ClientId = 101, ProductId = 401,
Id = Guid.NewGuid(),
Quantity = 2
};
var order2 = new Order
{
Amount = 123.45, Date = DateTimeOffset.Now, Category = "sf", ClientId = 101, ProductId = 401,
Id = Guid.NewGuid(),
Quantity = 2
};
var order3 = new Order
{
Amount = 14.5, Date = DateTimeOffset.Now, Category = "geek", ClientId = 101, ProductId = 402,
Id = Guid.NewGuid(),
Quantity = 2
};
var packed1 = PackedObject.Pack(order1, schema);
var packed2 = PackedObject.Pack(order2, schema);
var packed3 = PackedObject.Pack(order3, schema);
// first test with one single axis (Category index = 3)
var pivot = new PivotLevel();
pivot.AggregateOneObject(packed1, new List <int> {
3
}, new List <int> {
1, 2
});
pivot.AggregateOneObject(packed2, new List <int> {
3
}, new List <int> {
1, 2
});
pivot.AggregateOneObject(packed3, new List <int> {
3
}, new List <int> {
1, 2
});
// Amount and Quantity should be aggregated
Assert.AreEqual(2, pivot.AggregatedValues.Count);
var agg = pivot.AggregatedValues.First(v => v.ColumnName == "Amount");
Assert.AreEqual(3, agg.Count);
Assert.AreEqual(order1.Amount + order2.Amount + order3.Amount, agg.Sum);
Assert.IsTrue(pivot.Children.Keys.All(k => k.KeyName == "Category"));
Assert.IsTrue(pivot.Children.Values.All(v => v.AxisValue.KeyName == "Category"));
var geek = pivot.Children.Values.First(p => p.AxisValue.StringValue == "geek");
Assert.AreEqual(2, geek.AggregatedValues.Count);
// then with two axis
pivot = new PivotLevel();
pivot.AggregateOneObject(packed1, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot.AggregateOneObject(packed2, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot.AggregateOneObject(packed3, new List <int> {
3, 4
}, new List <int> {
1, 2
});
Console.WriteLine(pivot.ToString());
var geek1 = pivot.Children.Values.First(p => p.AxisValue.StringValue == "geek");
Assert.AreEqual(2, geek1.AggregatedValues.Count);
Assert.AreEqual(2, geek1.Children.Count);
// check pivot merging
// a new category
var order4 = new Order
{
Amount = 66.5, Date = DateTimeOffset.Now, Category = "student", ClientId = 101, ProductId = 405,
Id = Guid.NewGuid(),
Quantity = 1
};
var packed4 = PackedObject.Pack(order4, schema);
var pivot1 = new PivotLevel();
pivot1.AggregateOneObject(packed1, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot1.AggregateOneObject(packed2, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot1.AggregateOneObject(packed3, new List <int> {
3, 4
}, new List <int> {
1, 2
});
var pivot2 = new PivotLevel();
pivot2.AggregateOneObject(packed1, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot2.AggregateOneObject(packed3, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot2.AggregateOneObject(packed4, new List <int> {
3, 4
}, new List <int> {
1, 2
});
pivot1.MergeWith(pivot2);
Console.WriteLine(pivot1);
// check that an aggregate is equal to the sum of the children
var sum1 = pivot1.AggregatedValues.First(v => v.ColumnName == "Amount").Sum;
var sum2 = pivot1.Children.Sum(c => c.Value.AggregatedValues.First(v => v.ColumnName == "Amount").Sum);
Assert.AreEqual(sum1, sum2);
}