BsonClassMapSerializationProvider.cs

/* Copyright 2010-present 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.
*/

usingSystem;
usingSystem.Reflection;

namespaceMongoDB.Bson.Serialization
{
/// <summary>
/// Represents the class map serialization provider.
/// </summary>
internalclassBsonClassMapSerializationProvider:BsonSerializationProviderBase
{
/// <inheritdoc/>
publicoverrideIBsonSerializerGetSerializer(Typetype,IBsonSerializerRegistryserializerRegistry)
{
if(type==null)
{
thrownewArgumentNullException("type");
}
vartypeInfo=type.GetTypeInfo();
if(typeInfo.IsGenericType&&typeInfo.ContainsGenericParameters)
{
varmessage=string.Format("Generic type {0} has unassigned type parameters.",BsonUtils.GetFriendlyTypeName(type));
thrownewArgumentException(message,"type");
}

if((typeInfo.IsClass||(typeInfo.IsValueType&&!typeInfo.IsPrimitive))&&
!typeof(Array).GetTypeInfo().IsAssignableFrom(type)&&
!typeof(Enum).GetTypeInfo().IsAssignableFrom(type))
{
varclassMap=BsonClassMap.LookupClassMap(type);
varclassMapSerializerDefinition=typeof(BsonClassMapSerializer<>);
varclassMapSerializerType=classMapSerializerDefinition.MakeGenericType(type);
return(IBsonSerializer)Activator.CreateInstance(classMapSerializerType,classMap);
}

returnnull;
}
}
}