Class RangeFilterAttribute

Data object range filter attribute

Inheritance
Object
Attribute
FilterBaseAttribute
FilterAttribute
RangeFilterAttribute
Inherited Members
Namespace: XData.Mapping
Assembly: XData.docfx.dll
Syntax
[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
public sealed class RangeFilterAttribute : FilterAttribute
Remarks

Used to filter data by range of values (for example: some_field in (1, 2, 3) or some_field not in (1, 2, 3))

Hint: Using dynamic LINQ range filters will increase code flexibility (see example).

Examples
    var states = new List<int>();
    // fill states from somewhere
    dataScope.GetRepository<Invoice>().Where(x => states.Contains(x.State));

Constructors

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RangeFilterAttribute(String, String, Object[])

Range filter attribute

Declaration
public RangeFilterAttribute(string source, string fieldName, params object[] range)
Parameters
Type Name Description
String source

Primary source alias
String fieldName

Primary field name
Object[] range

Range values
Exceptions
Type Condition
XDataRuntimeException

Range values cannot be null or empty array

Properties

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FilterType

Filter type

Declaration
public override FilterType FilterType { get; }
Property Value
Type Description
FilterType Range
Overrides
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Range

Range values

Declaration
public object[] Range { get; }
Property Value
Type Description
Object[]
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TypeId

When implemented in a derived class, gets a unique identifier for this Attribute.

Declaration
public override object TypeId { get; }
Property Value
Type Description
Object

An Object that is a unique identifier for the attribute.
Overrides

Extension Methods