FacetValues.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / FacetValues.cs / 1305376 / FacetValues.cs

                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System.Data.Common; 
using System.Diagnostics;

namespace System.Data.Metadata.Edm
{ 
    internal class FacetValues
    { 
 
        private FacetValueContainer _nullable;
        private FacetValueContainer _maxLength; 
        private FacetValueContainer _unicode;
        private FacetValueContainer _fixedLength;
        private FacetValueContainer _precision;
        private FacetValueContainer _scale; 

        internal FacetValueContainer Nullable 
        { 
            set { _nullable = value; }
        } 

        internal FacetValueContainer MaxLength
        {
            set { _maxLength = value; } 
        }
 
        internal FacetValueContainer Unicode 
        {
            set { _unicode = value; } 
        }

        internal FacetValueContainer FixedLength
        { 
            set { _fixedLength = value; }
        } 
 
        internal FacetValueContainer Precision
        { 
            set { _precision = value; }
        }

        internal FacetValueContainer Scale 
        {
            set { _scale = value; } 
        } 

        internal bool TryGetFacet(FacetDescription description, out Facet facet) 
        {
            if (description.FacetName == DbProviderManifest.NullableFacetName)
            {
                if (_nullable.HasValue) 
                {
                    facet = Facet.Create(description, _nullable.GetValueAsObject()); 
                    return true; 
                }
            } 
            else if (description.FacetName == DbProviderManifest.MaxLengthFacetName)
            {
                if (_maxLength.HasValue)
                { 
                    facet = Facet.Create(description, _maxLength.GetValueAsObject());
                    return true; 
                } 
            }
            else if (description.FacetName == DbProviderManifest.UnicodeFacetName) 
            {
                if (_unicode.HasValue)
                {
                    facet = Facet.Create(description, _unicode.GetValueAsObject()); 
                    return true;
                } 
            } 
            else if (description.FacetName == DbProviderManifest.FixedLengthFacetName)
            { 
                if (_fixedLength.HasValue)
                {
                    facet = Facet.Create(description, _fixedLength.GetValueAsObject());
                    return true; 
                }
            } 
            else if (description.FacetName == DbProviderManifest.PrecisionFacetName) 
            {
                if (_precision.HasValue) 
                {
                    facet = Facet.Create(description, _precision.GetValueAsObject());
                    return true;
                } 
            }
            else if (description.FacetName == DbProviderManifest.ScaleFacetName) 
            { 
                if (_scale.HasValue)
                { 
                    facet = Facet.Create(description, _scale.GetValueAsObject());
                    return true;
                }
            } 
            facet = null;
            return false; 
        } 

        internal static FacetValues NullFacetValues 
        {
            get
            {
                // null out everything except Nullable, and DefaultValue 
                FacetValues values = new FacetValues();
                values.FixedLength = (bool?)null; 
                values.MaxLength = (int?)null; 
                values.Precision = (byte?)null;
                values.Scale = (byte?)null; 
                values.Unicode = (bool?)null;

                return values;
            } 
        }
    } 
 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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