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//---------------------------------------------------------------------
// <copyright file="MetadataPropertyAttribute.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner Microsoft
// @backupOwner Microsoft
//---------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Diagnostics;
namespace System.Data.Metadata.Edm
{
/// <summary>
/// Attribute used to mark up properties that should appear in the MetadataItem.MetadataProperties collection
/// </summary>
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
internal sealed class MetadataPropertyAttribute : Attribute
{
/// <summary>
/// Initializes a new attribute with built in type kind
/// </summary>
/// <param name="builtInTypeKind">Built in type setting Type property</param>
/// <param name="isCollectionType">Sets IsCollectionType property</param>
internal MetadataPropertyAttribute(BuiltInTypeKind builtInTypeKind, bool isCollectionType)
: this(MetadataItem.GetBuiltInType(builtInTypeKind), isCollectionType)
{
}
/// <summary>
/// Initializes a new attribute with primitive type kind
/// </summary>
/// <param name="primitiveTypeKind">Primitive type setting Type property</param>
/// <param name="isCollectionType">Sets IsCollectionType property</param>
internal MetadataPropertyAttribute(PrimitiveTypeKind primitiveTypeKind, bool isCollectionType)
: this(MetadataItem.EdmProviderManifest.GetPrimitiveType(primitiveTypeKind), isCollectionType)
{
}
/// <summary>
/// Initialize a new attribute with complex type kind (corresponding the the CLR type)
/// </summary>
/// <param name="type">CLR type setting Type property</param>
/// <param name="isCollection">Sets IsCollectionType property</param>
internal MetadataPropertyAttribute(Type type, bool isCollection)
: this(ClrComplexType.CreateReadonlyClrComplexType(type, type.Namespace ?? string.Empty, type.Name), isCollection)
{
}
/// <summary>
/// Initialize a new attribute
/// </summary>
/// <param name="type">Sets Type property</param>
/// <param name="isCollectionType">Sets IsCollectionType property</param>
private MetadataPropertyAttribute(EdmType type, bool isCollectionType)
{
Debug.Assert(null != type);
_type = type;
_isCollectionType = isCollectionType;
}
private readonly EdmType _type;
private readonly bool _isCollectionType;
/// <summary>
/// Gets EDM type for values stored in property.
/// </summary>
internal EdmType Type { get { return _type; } }
/// <summary>
/// Gets bool indicating whether this is a collection type.
/// </summary>
internal bool IsCollectionType { get { return _isCollectionType; } }
}
}
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