/* Copyright 2010-2014 MongoDB Inc.
*
* 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.
*/
using System;
namespace MongoDB.Bson.Serialization.Conventions
{
///
/// A convention that sets the default value for members of a given type.
///
public class MemberDefaultValueConvention : ConventionBase, IMemberMapConvention
{
// private fields
private readonly Type _type;
private readonly object _defaultValue;
// constructors
///
/// Initializes a new instance of the class.
///
/// The type of the member.
/// The default value for members of this type.
public MemberDefaultValueConvention(Type type, object defaultValue)
{
_type = type;
_defaultValue = defaultValue;
}
// public methods
///
/// Applies a modification to the member map.
///
/// The member map.
public void Apply(BsonMemberMap memberMap)
{
if (memberMap.MemberType == _type)
{
memberMap.SetDefaultValue(_defaultValue);
}
}
}
}