// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
namespace System.ServiceModel.Description
{
    public sealed class PolicyVersion
    {
        private string _policyNamespace;
 
        private static PolicyVersion s_policyVersion12;
        private static PolicyVersion s_policyVersion15;
 
        static PolicyVersion()
        {
            s_policyVersion12 = new PolicyVersion(MetadataStrings.WSPolicy.NamespaceUri);
            s_policyVersion15 = new PolicyVersion(MetadataStrings.WSPolicy.NamespaceUri15);
        }
 
        private PolicyVersion(string policyNamespace)
        {
            _policyNamespace = policyNamespace;
        }
 
        public static PolicyVersion Policy12 { get { return s_policyVersion12; } }
        public static PolicyVersion Policy15 { get { return s_policyVersion15; } }
        public static PolicyVersion Default { get { return s_policyVersion12; } }
        public string Namespace { get { return _policyNamespace; } }
 
        public override string ToString()
        {
            return _policyNamespace;
        }
    }
}