/// <summary>Generates a feature.</summary>
/// <exception cref="InvalidOperationException">Thrown when the requested operation is invalid.</exception>
/// <param name="type">The type.</param>
/// <param name="name">The name.</param>
/// <returns>The feature.</returns>
public static Property GenerateFeature(Type type, string name)
{
Property p;
if (type == typeof(string))
p = new StringProperty();
else if (type == typeof(DateTime))
p = new DateTimeProperty();
else if (type.GetInterfaces().Contains(typeof(IEnumerable)))
throw new InvalidOperationException(
string.Format("Property {0} needs to be labeled as an EnumerableFeature", name));
else
p = new Property();
p.Discrete = type.BaseType == typeof(Enum) ||
type == typeof(bool) ||
type == typeof(string) ||
type == typeof(char) ||
type == typeof(DateTime);
p.Type = type;
p.Name = name;
return p;
}
public override void Write(JsonWriter writer, object value)
{
base.Write(writer, value);
var p = (DateTimeProperty)value;
writer.WriteFirstArrayProperty("Features", DateTimeProperty.GetColumns(p.Features));
}
public override object Read(JsonReader reader)
{
var p = (DateTimeProperty)base.Read(reader);
var features = reader.ReadArrayProperty().Value
.Select(o => (string)o)
.ToArray();
p.Features = DateTimeProperty.GetFeatures(features);
return(p);
}
public void DateTime_Property_Save_And_Load()
{
DateTimeProperty p =
new DateTimeProperty(DateTimeFeature.DayOfWeek |
DateTimeFeature.Second |
DateTimeFeature.Minute);
p.Name = "MyProp";
p.Discrete = false;
p.Start = 5;
Serialize(p);
var property = Deserialize<DateTimeProperty>();
Assert.Equal(p, property);
}
/// <summary>Adds DateTime property to descriptor with previously chained name.</summary>
/// <exception cref="DescriptorException">Thrown when a Descriptor error condition occurs.</exception>
/// <param name="features">
/// Which date features to use (can pipe: DateTimeFeature.Year |
/// DateTimeFeature.DayOfWeek)
/// </param>
/// <returns>descriptor with added property.</returns>
public Descriptor AsDateTime(DateTimeFeature features)
{
if (this._label)
{
throw new DescriptorException("Cannot use a DateTime property as a label");
}
var p = new DateTimeProperty(features)
{
Discrete = true, Name = this._name
};
this.AddProperty(p);
return(this._descriptor);
}
/// <summary>Adds DateTime property to descriptor with previously chained name.</summary>
/// <exception cref="DescriptorException">Thrown when a Descriptor error condition occurs.</exception>
/// <param name="portion">Which date portions to use (can pipe: DateTimeFeature.Year |
/// DateTimeFeature.DayOfWeek)</param>
/// <returns>descriptor with added property.</returns>
public Descriptor AsDateTime(DatePortion portion)
{
if (_label)
{
throw new DescriptorException("Cannot use an DateTime property as a label");
}
var p = new DateTimeProperty(portion)
{
Discrete = true,
Name = _name
};
AddProperty(p);
return(_descriptor);
}
public void DateTime_Property_Save_And_Load()
{
DateTimeProperty p = new DateTimeProperty(DateTimeFeature.DayOfWeek | DateTimeFeature.Second | DateTimeFeature.Minute);
p.Name = "MyProp";
p.Discrete = false;
p.Start = 5;
Serialize(p);
var po = Deserialize<DateTimeProperty>();
Assert.AreEqual(p.Name, po.Name);
Assert.AreEqual(p.Type, po.Type);
Assert.AreEqual(p.Discrete, po.Discrete);
Assert.AreEqual(p.Start, po.Start);
Assert.AreEqual(p.Features, po.Features);
Assert.AreEqual(p.Length, po.Length);
}
/// <summary>Constructor.</summary>
/// <param name="portion">The portion.</param>
public DateFeatureAttribute(DatePortion portion)
{
dp = new DateTimeProperty(portion);
}
/// <summary>Constructor.</summary>
/// <param name="features">The features.</param>
public DateFeatureAttribute(DateTimeFeature features)
{
dp = new DateTimeProperty(features);
}
/// <summary>Adds DateTime property to descriptor with previously chained name.</summary>
/// <exception cref="DescriptorException">Thrown when a Descriptor error condition occurs.</exception>
/// <param name="portion">Which date portions to use (can pipe: DateTimeFeature.Year |
/// DateTimeFeature.DayOfWeek)</param>
/// <returns>descriptor with added property.</returns>
public Descriptor AsDateTime(DatePortion portion)
{
if (_label)
throw new DescriptorException("Cannot use an DateTime property as a label");
var p = new DateTimeProperty(portion)
{
Discrete = true,
Name = _name
};
AddProperty(p);
return _descriptor;
}
public DateFeatureAttribute(DatePortion portion)
{
dp = new DateTimeProperty(portion);
}
public DateFeatureAttribute(DateTimeFeature features)
{
dp = new DateTimeProperty(features);
}
/// <summary>Adds DateTime property to descriptor with previously chained name.</summary>
/// <exception cref="DescriptorException">Thrown when a Descriptor error condition occurs.</exception>
/// <param name="features">
/// Which date features to use (can pipe: DateTimeFeature.Year |
/// DateTimeFeature.DayOfWeek)
/// </param>
/// <returns>descriptor with added property.</returns>
public Descriptor AsDateTime(DateTimeFeature features)
{
if (this._label)
{
throw new DescriptorException("Cannot use a DateTime property as a label");
}
var p = new DateTimeProperty(features) { Discrete = true, Name = this._name };
this.AddProperty(p);
return this._descriptor;
}
