public static BsonArray SerializeValues(this ISerializationExpression field, Type itemType, IEnumerable values)
{
Ensure.IsNotNull(field, nameof(field));
Ensure.IsNotNull(itemType, nameof(itemType));
Ensure.IsNotNull(values, nameof(values));
var itemSerializer = FieldValueSerializerHelper.GetSerializerForValueType(field.Serializer, BsonSerializer.SerializerRegistry, itemType);
var tempDocument = new BsonDocument();
using (var bsonWriter = new BsonDocumentWriter(tempDocument))
{
var context = BsonSerializationContext.CreateRoot(bsonWriter);
bsonWriter.WriteStartDocument();
bsonWriter.WriteName("values");
bsonWriter.WriteStartArray();
foreach (var value in values)
{
itemSerializer.Serialize(context, value);
}
bsonWriter.WriteEndArray();
bsonWriter.WriteEndDocument();
return((BsonArray)tempDocument[0]);
}
}
internal override RenderedFieldDefinition <TField> TranslateExpressionToField <TDocument, TField>(
Expression <Func <TDocument, TField> > expression,
IBsonSerializer <TDocument> documentSerializer,
IBsonSerializerRegistry serializerRegistry,
bool allowScalarValueForArrayField)
{
var lambda = (LambdaExpression)PartialEvaluator.Evaluate(expression);
var bindingContext = new PipelineBindingContext(serializerRegistry);
var parameterExpression = new DocumentExpression(documentSerializer);
bindingContext.AddExpressionMapping(lambda.Parameters[0], parameterExpression);
var bound = bindingContext.Bind(lambda.Body);
bound = FieldExpressionFlattener.FlattenFields(bound);
IFieldExpression field;
if (!ExpressionHelper.TryGetExpression(bound, out field))
{
var message = string.Format("Unable to determine the serialization information for {0}.", expression);
throw new InvalidOperationException(message);
}
var underlyingSerializer = field.Serializer;
var fieldSerializer = underlyingSerializer as IBsonSerializer <TField>;
var valueSerializer = (IBsonSerializer <TField>)FieldValueSerializerHelper.GetSerializerForValueType(underlyingSerializer, serializerRegistry, typeof(TField), allowScalarValueForArrayField);
return(new RenderedFieldDefinition <TField>(field.FieldName, fieldSerializer, valueSerializer, underlyingSerializer));
}
public static BsonValue SerializeValue(this ISerializationExpression field, Type valueType, object value)
{
Ensure.IsNotNull(field, nameof(field));
var valueSerializer = FieldValueSerializerHelper.GetSerializerForValueType(field.Serializer, BsonSerializer.SerializerRegistry, valueType, value);
var tempDocument = new BsonDocument();
using (var bsonWriter = new BsonDocumentWriter(tempDocument))
{
var context = BsonSerializationContext.CreateRoot(bsonWriter);
bsonWriter.WriteStartDocument();
bsonWriter.WriteName("value");
valueSerializer.Serialize(context, value);
bsonWriter.WriteEndDocument();
return(tempDocument[0]);
}
}
