/// <summary>
/// Resolves the specified data type.
/// </summary>
/// <param name="dataType">Data type specification.</param>
/// <returns>Resolved EDM Type.</returns>
PrimitiveDataType IPrimitiveDataTypeVisitor <PrimitiveDataType> .Visit(DateTimeDataType dataType)
{
int?precision = null;
TimePrecisionFacet timePrecisionFacet;
if (dataType.TryGetFacet(out timePrecisionFacet))
{
precision = timePrecisionFacet.Value;
}
string typeName = dataType.GetFacetValue <EdmTypeNameFacet, string>(null);
bool hasTimeZoneOffsetFacet = dataType.GetFacetValue <HasTimeZoneOffsetFacet, bool>(false);
Type clrType = dataType.GetFacetValue <PrimitiveClrTypeFacet, Type>(null);
bool hasDateTimeOffsetEdmTypeNameFacet = "DateTimeOffset".Equals(typeName, StringComparison.OrdinalIgnoreCase);
if (hasTimeZoneOffsetFacet && typeName != null && !hasDateTimeOffsetEdmTypeNameFacet)
{
throw new TaupoInvalidOperationException(
string.Format(CultureInfo.InvariantCulture, "Cannot resolve date time data type as it has 'true' value for the '{0}' which contradicts with the edm type name '{1}'", typeof(HasTimeZoneOffsetFacet).Name, typeName));
}
if (hasTimeZoneOffsetFacet || hasDateTimeOffsetEdmTypeNameFacet || clrType == typeof(DateTimeOffset))
{
return(EdmDataTypes.DateTimeOffset(precision));
}
if (typeName != null && !"DateTime".Equals(typeName, StringComparison.OrdinalIgnoreCase))
{
throw new TaupoInvalidOperationException(
string.Format(CultureInfo.InvariantCulture, "Edm type name '{0}' is invalid for date time data types.", typeName));
}
return(EdmDataTypes.DateTime(precision));
}
public EvaluationContext(Request req)
{
this._request = req;
this._results = new Dictionary <string, Result>();
this._currentdate = new DateDataType();
this._currenttime = new TimeDataType();
this._currentdatetime = new DateTimeDataType();
}
public EvaluationContext(EvaluationContext context)
{
this._request = new Request(context._request);
this._results = new Dictionary <string, Result>();
this._currentdate = context._currentdate;
this._currenttime = context._currenttime;
this._currentdatetime = context._currentdatetime;
this._rootPolicyId = context._rootPolicyId;
}
public override DataTypeValue Evaluate(DataTypeValue[] @params, EvaluationContext ctx)
{
if (@params.Length == paramsnum && @params[0] is DateTimeDataType && @params[1] is YearMonthDurationDataType)
{
var datetime = new DateTimeDataType(((DateTimeDataType)@params[0]));
Calendar cal = datetime.Calendar;
var period = (YearMonthDurationDataType)@params[1];
cal.add(Calendar.YEAR, -period.Year);
cal.add(Calendar.MONTH, -period.Month);
return(datetime);
}
throw new IllegalExpressionEvaluationException(stringIdentifer);
}
public override DataTypeValue Evaluate(DataTypeValue[] @params, EvaluationContext ctx)
{
if (@params.Length == paramsnum && @params[0] is DateTimeDataType && @params[1] is DayTimeDurationDataType)
{
var datetime = new DateTimeDataType(((DateTimeDataType)@params[0]));
Calendar cal = datetime.Calendar;
var period = (DayTimeDurationDataType)@params[1];
cal.add(Calendar.SECOND, period.Second);
cal.add(Calendar.MINUTE, period.Minute);
cal.add(Calendar.HOUR, period.Hour);
cal.add(Calendar.DAY, period.Day);
return(datetime);
}
throw new IllegalExpressionEvaluationException(stringIdentifer);
}
/// <summary>
/// Initializes static members of the DataTypes class.
/// </summary>
static DataTypes()
{
Integer = new IntegerDataType();
Stream = new StreamDataType();
String = new StringDataType();
Boolean = new BooleanDataType();
FixedPoint = new FixedPointDataType();
FloatingPoint = new FloatingPointDataType();
DateTime = new DateTimeDataType();
Binary = new BinaryDataType();
Guid = new GuidDataType();
TimeOfDay = new TimeOfDayDataType();
ComplexType = new ComplexDataType();
EntityType = new EntityDataType();
CollectionType = new CollectionDataType();
ReferenceType = new ReferenceDataType();
RowType = new RowDataType();
EnumType = new EnumDataType();
Spatial = new SpatialDataType();
}
public DataTypeValue GetInstance(Node node)
{
return(DateTimeDataType.GetInstance(node));
}
public DataTypeValue GetInstance(string value)
{
return(DateTimeDataType.GetInstance(value));
}
IEdmPrimitiveTypeReference IPrimitiveDataTypeVisitor <IEdmPrimitiveTypeReference> .Visit(DateTimeDataType dataType)
{
return(this.GetTemporalTypeReference(dataType));
}
