Class DataSelectionCombinationMethod

Defines how to combine data selections.

Since

2.0

Hierarchy (view full)

  • Enum
    • DataSelectionCombinationMethod

Properties

Intersection Union

Methods

Cast Equals GetHashCode HasFlag ToString TryCast Equals

Default capability

And Or Xor

Properties

Static ReadonlyIntersection

Intersection: DataSelectionCombinationMethod

The data selections shall be combined by intersection (AND). Only rows included in all of the combined selections are included in the resulting selection.

Static ReadonlyUnion

Union: DataSelectionCombinationMethod

The data selections shall be combined by union (inclusive OR). Rows included in one or more of the combined selections are included in the resulting selection.

Methods

Cast

  • Cast<T1, T2>(this, type): T1

  • Casts this object to the specified type. Throws error on failure.

    Type Parameters

    • T1

      The target type of the cast.

    • T2

      The type of the object to cast.

    Parameters

    Returns T1

Equals

  • Equals(obj): boolean

  • Determines whether the specified object is equal to the current object.

    Parameters

    • obj: any

      The object to compare with the current object.

    Returns boolean

    true if the specified object is equal to the current object; otherwise, false.

GetHashCode

  • GetHashCode(): number

  • Serves as the default hash function.

    Returns number

    A hash code for the current object.

HasFlag

  • HasFlag(flag): boolean

  • Determines whether one or more bit fields are set in the current instance.

    Parameters

    • flag: Enum

      An enumeration value.

    Returns boolean

    true if the bit field or bit fields that are set in flag are also set in the current instance; otherwise, false.

ToString

  • ToString(): string

  • Returns a string that represents the current object.

    Returns string

    A string that represents the current object.

TryCast

  • TryCast<T1, T2>(this, type): null | T1

  • Casts this object to the specified type. Returns null on failure.

    Type Parameters

    • T1

      The target type of the cast.

    • T2

      The type of the object to cast.

    Parameters

    Returns null | T1

StaticEquals

  • Equals(objA, objB): boolean

  • Determines whether the specified object instances are considered equal.

    Parameters

    • objA: any

      The first object to compare.

    • objB: any

      The second object to compare.

    Returns boolean

    true if the objects are considered equal; otherwise, false. If both objA and objB are null, the method returns true.

Default capability

And

  • And(...rest): this

  • Perform And operation on enum values.

    Parameters

    • Rest...rest: Enum[]

      The other enum values.

    Returns this

    The result.

    Since

    2.0

Or

  • Or(...rest): this

  • Perform Or operation on enum values.

    Parameters

    • Rest...rest: Enum[]

      The other enum values.

    Returns this

    The result.

    Since

    2.0

Xor

  • Xor(...rest): this

  • Perform Xor operation on enum values.

    Parameters

    • Rest...rest: Enum[]

      The other enum values.

    Returns this

    The result.

    Since

    2.0

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