internal static PropertyInfoFieldInfo InitializePropertyInfo(string nestedPropertyPath, Type type, Type rootClassType)
{
string[] splitNestedProperty = nestedPropertyPath.Split(new char[] { NestedPropertySeparator });
PropertyInfoFieldInfo nestedPropertyInfo = null;
PropertyInfo propertyInfo = null;
for (int i = 1; i < splitNestedProperty.Length; i++)
{
string propertyName = splitNestedProperty[i];
propertyInfo = type.GetRuntimeProperty(propertyName);
if (propertyInfo == null)
{
return(null);
}
type = propertyInfo.PropertyType;
}
var propertyAccess = Telerik.Data.Core.BindingExpressionHelper.CreateGetValueFunc(rootClassType, nestedPropertyPath);
var propertySetter = propertyInfo.CanWrite
? Telerik.Data.Core.BindingExpressionHelper.CreateSetValueAction(rootClassType, nestedPropertyPath)
: null;
nestedPropertyInfo = new PropertyInfoFieldInfo(propertyInfo, propertyAccess, propertySetter, rootClassType, nestedPropertyPath);
nestedPropertyInfo.Role = FieldInfoHelper.GetRoleForType(propertyInfo.PropertyType);
return(nestedPropertyInfo);
}
public void IsNumericType_WhenTypeIsDateTime_ReturnsFalse()
{
var type = typeof(DateTime);
var isNumeric = FieldInfoHelper.IsNumericType(type);
Assert.IsFalse(isNumeric);
}
public void IsNumericType_WhenTypeIsNullableUInt64_ReturnsTrue()
{
var type = typeof(Nullable <UInt64>);
var isNumeric = FieldInfoHelper.IsNumericType(type);
Assert.IsTrue(isNumeric);
}
public void IsNumericType_WhenTypeIsString_ReturnsFalse()
{
var type = typeof(string);
var isNumeric = FieldInfoHelper.IsNumericType(type);
Assert.IsFalse(isNumeric);
}
public void IsNumericType_WhenTypeIsUInt16_ReturnsTrue()
{
var type = typeof(UInt16);
var isNumeric = FieldInfoHelper.IsNumericType(type);
Assert.IsTrue(isNumeric);
}
public void IsNumericType_WhenTypeIsDecimal_ReturnsTrue()
{
var type = typeof(Decimal);
var isNumeric = FieldInfoHelper.IsNumericType(type);
Assert.IsTrue(isNumeric);
}
public void GetRoleForType_WhenTypeIsUInt32_ReturnsValueRole()
{
var type = typeof(UInt32);
var expectedRole = FieldRole.Value;
var actualRole = FieldInfoHelper.GetRoleForType(type);
Assert.AreEqual(expectedRole, actualRole);
}
public void GetRoleForType_WhenTypeIsBool_ReturnsRowRole()
{
var type = typeof(bool);
var expectedRole = FieldRole.Row;
var actualRole = FieldInfoHelper.GetRoleForType(type);
Assert.AreEqual(expectedRole, actualRole);
}
public void GetRoleForType_WhenTypeIsChar_ReturnsColumnRole()
{
var type = typeof(Char);
var expectedRole = FieldRole.Column;
var actualRole = FieldInfoHelper.GetRoleForType(type);
Assert.AreEqual(expectedRole, actualRole);
}
/// <inheritdoc />
internal override IAggregateDescription GetAggregateDescriptionForFieldDescription(IDataFieldInfo description)
{
if (description == null)
{
throw new ArgumentNullException(nameof(description));
}
var aggregateDescription = new PropertyAggregateDescription()
{
PropertyName = description.Name
};
if (!FieldInfoHelper.IsNumericType(description.DataType))
{
////aggregateDescription.AggregateFunction = AggregateFunctions.Count;
}
return(aggregateDescription);
}
/// <summary>
/// 获取一只股票，一个字段的数据
/// </summary>
/// <param name="code"></param>
/// <param name="field"></param>
/// <returns></returns>
public object GetFieldData(int code, FieldIndex field)
{
return(FieldInfoHelper.GetObjectValue(code, field));
}
