| private GetDiscriminatorConvention ( ) : IDiscriminatorConvention | ||
| return | IDiscriminatorConvention | |
private object DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
{
try
{
var nominalType = memberMap.MemberType;
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null && nominalType.IsInterface)
{
bsonReader.ReadNull();
return(null);
}
Type actualType;
if (bsonType == BsonType.Null)
{
actualType = nominalType;
}
else
{
var discriminatorConvention = memberMap.GetDiscriminatorConvention();
actualType = discriminatorConvention.GetActualType(bsonReader, nominalType); // returns nominalType if no discriminator found
}
var serializer = memberMap.GetSerializer(actualType);
return(serializer.Deserialize(bsonReader, nominalType, actualType, memberMap.SerializationOptions));
}
catch (Exception ex)
{
var message = string.Format(
"An error occurred while deserializing the {0} {1} of class {2}: {3}", // terminating period provided by nested message
memberMap.MemberName, (memberMap.MemberInfo.MemberType == MemberTypes.Field) ? "field" : "property", memberMap.ClassMap.ClassType.FullName, ex.Message);
throw new FileFormatException(message, ex);
}
}
private void DeserializeMember(BsonReader bsonReader, object obj, BsonMemberMap memberMap)
{
try
{
var nominalType = memberMap.MemberType;
object value = null;
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null && nominalType.IsInterface)
{
bsonReader.ReadNull();
goto setvalue;
}
else if (memberMap.MemberTypeIsBsonValue)
{
if (bsonType == BsonType.Document && IsCSharpNullRepresentation(bsonReader))
{
// if IsCSharpNullRepresentation returns true it will have consumed the document representing C# null
goto setvalue;
}
// handle BSON null for backward compatibility with existing data (new data would have _csharpnull)
if (bsonType == BsonType.Null && (nominalType != typeof(BsonValue) && nominalType != typeof(BsonNull)))
{
bsonReader.ReadNull();
goto setvalue;
}
}
Type actualType;
if (bsonType == BsonType.Null)
{
actualType = nominalType;
}
else
{
var discriminatorConvention = memberMap.GetDiscriminatorConvention();
actualType = discriminatorConvention.GetActualType(bsonReader, nominalType); // returns nominalType if no discriminator found
}
var serializer = memberMap.GetSerializer(actualType);
value = serializer.Deserialize(bsonReader, nominalType, actualType, memberMap.SerializationOptions);
setvalue:
memberMap.Setter(obj, value);
}
catch (Exception ex)
{
var message = string.Format(
"An error occurred while deserializing the {0} {1} of class {2}: {3}", // terminating period provided by nested message
memberMap.MemberName, (memberMap.MemberInfo.MemberType == MemberTypes.Field) ? "field" : "property", obj.GetType().FullName, ex.Message);
throw new FileFormatException(message, ex);
}
}
private void DeserializeMember(BsonReader bsonReader, object obj, BsonMemberMap memberMap)
{
try
{
var nominalType = memberMap.MemberType;
object value = null;
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null && nominalType.IsInterface)
{
bsonReader.ReadNull();
goto setvalue;
}
else if (memberMap.MemberTypeIsBsonValue)
{
if (bsonType == BsonType.Document && IsCSharpNullRepresentation(bsonReader))
{
// if IsCSharpNullRepresentation returns true it will have consumed the document representing C# null
goto setvalue;
}
// handle BSON null for backward compatibility with existing data (new data would have _csharpnull)
if (bsonType == BsonType.Null && (nominalType != typeof(BsonValue) && nominalType != typeof(BsonNull)))
{
bsonReader.ReadNull();
goto setvalue;
}
}
Type actualType;
if (bsonType == BsonType.Null)
{
actualType = nominalType;
}
else
{
var discriminatorConvention = memberMap.GetDiscriminatorConvention();
actualType = discriminatorConvention.GetActualType(bsonReader, nominalType); // returns nominalType if no discriminator found
}
var serializer = memberMap.GetSerializer(actualType);
value = serializer.Deserialize(bsonReader, nominalType, actualType, memberMap.SerializationOptions);
setvalue:
memberMap.Setter(obj, value);
}
catch (Exception ex)
{
var message = string.Format(
"An error occurred while deserializing the {0} {1} of class {2}: {3}", // terminating period provided by nested message
memberMap.MemberName, (memberMap.MemberInfo.MemberType == MemberTypes.Field) ? "field" : "property", obj.GetType().FullName, ex.Message);
throw new FileFormatException(message, ex);
}
}
private object DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
{
try
{
var nominalType = memberMap.MemberType;
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null && nominalType.IsInterface)
{
bsonReader.ReadNull();
return null;
}
Type actualType;
if (bsonType == BsonType.Null)
{
actualType = nominalType;
}
else
{
var discriminatorConvention = memberMap.GetDiscriminatorConvention();
actualType = discriminatorConvention.GetActualType(bsonReader, nominalType); // returns nominalType if no discriminator found
}
var serializer = memberMap.GetSerializer(actualType);
return serializer.Deserialize(bsonReader, nominalType, actualType, memberMap.SerializationOptions);
}
catch (Exception ex)
{
var message = string.Format(
"An error occurred while deserializing the {0} {1} of class {2}: {3}", // terminating period provided by nested message
memberMap.MemberName, (memberMap.MemberInfo.MemberType == MemberTypes.Field) ? "field" : "property", memberMap.ClassMap.ClassType.FullName, ex.Message);
throw new Exception(message, ex);
}
}
private void DeserializeMember(BsonReader bsonReader, object obj, BsonMemberMap memberMap)
{
try
{
var nominalType = memberMap.MemberType;
Type actualType;
if (bsonReader.GetCurrentBsonType() == BsonType.Null)
{
actualType = nominalType;
}
else
{
var discriminatorConvention = memberMap.GetDiscriminatorConvention();
actualType = discriminatorConvention.GetActualType(bsonReader, nominalType); // returns nominalType if no discriminator found
}
var serializer = memberMap.GetSerializer(actualType);
var value = serializer.Deserialize(bsonReader, nominalType, actualType, memberMap.SerializationOptions);
memberMap.Setter(obj, value);
}
catch (Exception ex)
{
var message = string.Format(
"An error occurred while deserializing the {0} {1} of class {2}: {3}", // terminating period provided by nested message
memberMap.MemberName, (memberMap.MemberInfo.MemberType == MemberTypes.Field) ? "field" : "property", obj.GetType().FullName, ex.Message);
throw new FileFormatException(message, ex);
}
}
