52 lines
2.0 KiB
C#
52 lines
2.0 KiB
C#
//Copyright 2010 Microsoft Corporation
|
|
//
|
|
//Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
|
|
//You may obtain a copy of the License at
|
|
//
|
|
//http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
//Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
|
|
//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
//See the License for the specific language governing permissions and limitations under the License.
|
|
|
|
namespace System.Data.Services.Common
|
|
{
|
|
using System;
|
|
using System.Collections.ObjectModel;
|
|
using System.Data.Services.Client;
|
|
using System.Linq;
|
|
|
|
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1019:DefineAccessorsForAttributeArguments", Justification = "Accessors are available for processed input.")]
|
|
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
|
|
public sealed class DataServiceKeyAttribute : System.Attribute
|
|
{
|
|
private readonly ReadOnlyCollection<string> keyNames;
|
|
|
|
public DataServiceKeyAttribute(string keyName)
|
|
{
|
|
Util.CheckArgumentNull(keyName, "keyName");
|
|
Util.CheckArgumentNotEmpty(keyName, "KeyName");
|
|
this.keyNames = new ReadOnlyCollection<string>(new string[1] { keyName });
|
|
}
|
|
|
|
public DataServiceKeyAttribute(params string[] keyNames)
|
|
{
|
|
Util.CheckArgumentNull(keyNames, "keyNames");
|
|
if (keyNames.Length == 0 || keyNames.Any(f => f == null || f.Length == 0))
|
|
{
|
|
throw Error.Argument(Strings.DSKAttribute_MustSpecifyAtleastOnePropertyName, "keyNames");
|
|
}
|
|
|
|
this.keyNames = new ReadOnlyCollection<string>(keyNames);
|
|
}
|
|
|
|
public ReadOnlyCollection<string> KeyNames
|
|
{
|
|
get
|
|
{
|
|
return this.keyNames;
|
|
}
|
|
}
|
|
}
|
|
}
|