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MSDN Library

Tuple Class


Represents an ordered collection of members from different hierarchies.

Namespace:   Microsoft.AnalysisServices.AdomdClient
Assembly:  Microsoft.AnalysisServices.AdomdClient (in Microsoft.AnalysisServices.AdomdClient.dll)


public sealed class Tuple


Gets an instance of the MemberCollection class from the Tuple.


Gets the ordinal position of the Tuple.


Determines whether two instances of System.Object are equal.(Overrides Object.Equals(Object).)


Serves as a hash function for a particular type, for use in hashing algorithms and data structures such as hash tables.(Overrides Object.GetHashCode().)


(Inherited from Object.)


(Inherited from Object.)

System_CAPS_puboperatorSystem_CAPS_staticEquality(Tuple, Tuple)

Determines whether two specified instances of Tuple are equal.

System_CAPS_puboperatorSystem_CAPS_staticInequality(Tuple, Tuple)

Determines whether two specified instances of Tuple are not equal.

A tuple consists of an ordered collection of members.

A tuple cannot contain more than one member from any single hierarchy.

In ADOMD.NET, a Tuple is used to represent a tuple by encapsulating the collection of Member objects that define the tuple. Tuple objects can be referenced only through the Tuples property of a Set.

Legacy Code Example

The following function, given a Tuple, examines the object and returns a Multidimensional Expressions (MDX) string representation of the tuple:

Public Function GetTupleString(ByRef TupleToConvert As Tuple) As String
    If TupleToConvert Is Nothing Then
        Throw New System.ArgumentNullException("TupleToConvert")
        Dim tupleCount As Integer = TupleToConvert.Members.Count
        Dim tupleIndex As Integer = 0

        If tupleCount = 0 Then
            ' An empty tuple.
            Return "()"
            ' Iterate through each member in the Members collection,
            ' adding the value of the UniqueName property to a
            ' string.
            ' Because a tuple can represent many members, this
            ' example uses a StringBuilder object to improve
            ' string handling performance.
            Dim tupleString As New _
                System.Text.StringBuilder(15 * tupleCount)

            ' Tuples are framed with parentheses, with each member
            ' within a tuple separated by a comma.
            For tupleIndex = 0 To tupleCount - 1
                tupleString.Append( _
                If tupleIndex < (tupleCount - 1) Then
                    tupleString.Append(", ")
                End If

            Return tupleString.ToString
        End If
    End If
End Function

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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