/**
* Returns the {@link Encoder} matching this field type.
* @return
*/
public IEncoder NewEncoder(FieldMetaType type)
{
switch (type)
{
case FieldMetaType.List:
case FieldMetaType.String: return(SDRCategoryEncoder.GetBuilder().Build());
case FieldMetaType.DateTime: return(DateEncoder.GetBuilder().Build());
case FieldMetaType.Boolean: return(ScalarEncoder.GetBuilder().Build());
case FieldMetaType.Coord: return(CoordinateEncoder.GetBuilder().Build());
case FieldMetaType.Geo: return(GeospatialCoordinateEncoder.GetGeobuilder().Build());
case FieldMetaType.Integer:
case FieldMetaType.Float: return(RandomDistributedScalarEncoder.GetBuilder().Build());
case FieldMetaType.DenseArray:
case FieldMetaType.SparseArray: return(SDRPassThroughEncoder.GetSptBuilder().Build());
default: return(null);
}
}
public void TestInternalEncoderCreation()
{
Sensor <FileInfo> sensor = Sensor <FileInfo> .Create(
FileSensor.Create,
SensorParams.Create(
SensorParams.Keys.Path, "", ResourceLocator.Path(typeof(Resources), "rec-center-hourly.Csv")));
// Cast the ValueList to the more complex type (Header)
HTMSensor <FileInfo> htmSensor = (HTMSensor <FileInfo>)sensor;
Header meta = (Header)htmSensor.GetMetaInfo();
Assert.IsTrue(meta.GetFieldTypes().TrueForAll(
l => l.Equals(FieldMetaType.DateTime) || l.Equals(FieldMetaType.Float)));
Assert.IsTrue(meta.GetFieldNames().TrueForAll(
l => l.Equals("timestamp") || l.Equals("consumption")));
Assert.IsTrue(meta.GetFlags().TrueForAll(
l => l.Equals(SensorFlags.T) || l.Equals(SensorFlags.B)));
// Set the parameters on the sensor.
// This enables it to auto-configure itself; a step which will
// be done at the Region level.
Encoder <object> multiEncoder = htmSensor.GetEncoder();
Assert.IsNotNull(multiEncoder);
Assert.IsTrue(multiEncoder is MultiEncoder);
// Set the Local parameters on the Sensor
htmSensor.InitEncoder(GetTestEncoderParams());
List <EncoderTuple> encoders = multiEncoder.GetEncoders(multiEncoder);
Assert.AreEqual(2, encoders.Count);
// Test date specific encoder configuration
//
// All encoders in the MultiEncoder are accessed in a particular
// order (the alphabetical order their corresponding fields are in),
// so alphabetically "consumption" proceeds "timestamp"
// so we need to ensure that the proper order is preserved (i.E. exists at index 1)
DateEncoder dateEnc = (DateEncoder)encoders[1].GetEncoder();
try
{
dateEnc.ParseEncode("7/12/10 13:10");
dateEnc.ParseEncode("7/12/2010 13:10");
// Should fail here due to conflict with configured format
dateEnc.ParseEncode("--13:10 7-12-10");
Assert.Fail();
}
catch (Exception e)
{
Assert.IsInstanceOfType(e, typeof(FormatException));
//Assert.AreEqual("Invalid format: \"13:10 7/12/10\" is malformed at \":10 7/12/10\"", e.Message);
}
RandomDistributedScalarEncoder rdse = (RandomDistributedScalarEncoder)encoders[0].GetEncoder();
int[] encoding = rdse.Encode(35.3);
Console.WriteLine(Arrays.ToString(encoding));
// Now test the encoding of an input row
Map <string, object> d = new Map <string, object>();
d.Add("timestamp", dateEnc.Parse("7/12/10 13:10"));
d.Add("consumption", 35.3);
int[] output = multiEncoder.Encode(d);
int[] expected = { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
Console.WriteLine(Arrays.ToString(expected));
Console.WriteLine(Arrays.ToString(output));
Assert.IsTrue(Arrays.AreEqual(expected, output));
}
