public PipelineBindingContext(IBsonSerializerRegistry serializerRegistry)
{
_serializerRegistry = Ensure.IsNotNull(serializerRegistry, nameof(serializerRegistry));
_correlationMapping = new Dictionary<Expression, Guid>();
_expressionMapping = new Dictionary<Expression, Expression>();
_memberMapping = new Dictionary<MemberInfo, Expression>();
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsGenericType && typeInfo.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
#if NETSTANDARD1_6
var serializerAttributes = typeInfo.GetCustomAttributes(typeof(BsonSerializerAttribute), false).ToArray(); // don't inherit
#else
var serializerAttributes = typeInfo.GetCustomAttributes(typeof(BsonSerializerAttribute), false); // don't inherit
#endif
if (serializerAttributes.Length == 1)
{
var serializerAttribute = (BsonSerializerAttribute)serializerAttributes[0];
return serializerAttribute.CreateSerializer(type);
}
return null;
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsGenericType && typeInfo.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
Type serializerType;
if (__serializersTypes.TryGetValue(type, out serializerType))
{
return CreateSerializer(serializerType, serializerRegistry);
}
if (typeInfo.IsGenericType && !typeInfo.ContainsGenericParameters)
{
Type serializerTypeDefinition;
if (__serializersTypes.TryGetValue(type.GetGenericTypeDefinition(), out serializerTypeDefinition))
{
return CreateGenericSerializer(serializerTypeDefinition, type.GetGenericArguments(), serializerRegistry);
}
}
if (typeInfo.IsEnum)
{
return CreateGenericSerializer(typeof(EnumSerializer<>), new[] { type }, serializerRegistry);
}
return null;
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsGenericType && typeInfo.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
if ((typeInfo.IsClass || (typeInfo.IsValueType && !typeInfo.IsPrimitive)) &&
!typeof(Array).IsAssignableFrom(type) &&
!typeof(Enum).IsAssignableFrom(type))
{
var classMap = BsonClassMap.LookupClassMap(type);
var classMapSerializerDefinition = typeof(BsonClassMapSerializer<>);
var classMapSerializerType = classMapSerializerDefinition.MakeGenericType(type);
return (IBsonSerializer)Activator.CreateInstance(classMapSerializerType, classMap);
}
return null;
}
public static QueryableExecutionModel Build(Expression node, IBsonSerializerRegistry serializerRegistry)
{
var builder = new QueryableExecutionModelBuilder(serializerRegistry);
builder.Visit(node);
return (QueryableExecutionModel)Activator.CreateInstance(
typeof(AggregateQueryableExecutionModel<>).MakeGenericType(builder._serializer.ValueType),
builder._stages,
builder._serializer);
}
public static QueryableTranslation Translate(Expression node, IBsonSerializerRegistry serializerRegistry)
{
var translator = new QueryableTranslator(serializerRegistry);
translator.Translate(node);
var model = (QueryableExecutionModel)Activator.CreateInstance(
typeof(AggregateQueryableExecutionModel<>).MakeGenericType(translator._outputSerializer.ValueType),
BindingFlags.Instance | BindingFlags.NonPublic,
null,
new object[] { translator._stages, translator._outputSerializer },
null);
return new QueryableTranslation(model, translator._resultTransformer);
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsGenericType && typeInfo.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
Type serializerType;
if (__serializerTypes.TryGetValue(type, out serializerType))
{
return CreateSerializer(serializerType, serializerRegistry);
}
if (typeInfo.IsGenericType && !typeInfo.ContainsGenericParameters)
{
Type serializerTypeDefinition;
if (__serializerTypes.TryGetValue(type.GetGenericTypeDefinition(), out serializerTypeDefinition))
{
return CreateGenericSerializer(serializerTypeDefinition, type.GetGenericArguments(), serializerRegistry);
}
}
if (type.IsArray)
{
var elementType = type.GetElementType();
switch (type.GetArrayRank())
{
case 1:
var arraySerializerDefinition = typeof(ArraySerializer<>);
return CreateGenericSerializer(arraySerializerDefinition, new[] { elementType }, serializerRegistry);
case 2:
var twoDimensionalArraySerializerDefinition = typeof(TwoDimensionalArraySerializer<>);
return CreateGenericSerializer(twoDimensionalArraySerializerDefinition, new[] { elementType }, serializerRegistry);
case 3:
var threeDimensionalArraySerializerDefinition = typeof(ThreeDimensionalArraySerializer<>);
return CreateGenericSerializer(threeDimensionalArraySerializerDefinition, new[] { elementType }, serializerRegistry);
default:
var message = string.Format("No serializer found for array for rank {0}.", type.GetArrayRank());
throw new BsonSerializationException(message);
}
}
return GetCollectionSerializer(type, serializerRegistry);
}
public static QueryableTranslation Translate(Expression node, IBsonSerializerRegistry serializerRegistry)
{
var translator = new QueryableTranslator(serializerRegistry);
translator.Translate(node);
var outputType = translator._outputSerializer.ValueType;
var modelType = typeof(AggregateQueryableExecutionModel<>).MakeGenericType(outputType);
var modelTypeInfo = modelType.GetTypeInfo();
var outputSerializerInterfaceType = typeof(IBsonSerializer<>).MakeGenericType(new[] { outputType });
var constructorParameterTypes = new Type[] { typeof(IEnumerable<BsonDocument>), outputSerializerInterfaceType };
var constructorInfo = modelTypeInfo.GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)
.Where(c => c.GetParameters().Select(p => p.ParameterType).SequenceEqual(constructorParameterTypes))
.Single();
var constructorParameters = new object[] { translator._stages, translator._outputSerializer };
var model = (QueryableExecutionModel)constructorInfo.Invoke(constructorParameters);
return new QueryableTranslation(model, translator._resultTransformer);
}
/// <summary>
/// Creates the serializer.
/// </summary>
/// <param name="serializerType">The serializer type.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <returns>
/// A serializer.
/// </returns>
protected virtual IBsonSerializer CreateSerializer(Type serializerType, IBsonSerializerRegistry serializerRegistry)
{
var constructorInfo = serializerType.GetConstructor(new[] { typeof(IBsonSerializerRegistry) });
if (constructorInfo != null)
{
return (IBsonSerializer)constructorInfo.Invoke(new object[] { serializerRegistry });
}
constructorInfo = serializerType.GetConstructor(new Type[0]);
if (constructorInfo != null)
{
return (IBsonSerializer)constructorInfo.Invoke(new object[0]);
}
throw new MissingMethodException(string.Format(
"No suitable constructor found for serializer type: '{0}'.",
serializerType.FullName));
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (type.IsGenericType && type.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
IBsonSerializer serializer;
if (__serializers.TryGetValue(type, out serializer))
{
return serializer;
}
return null;
}
/// <inheritdoc/>
public override IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (type.IsGenericType && type.ContainsGenericParameters)
{
var message = string.Format("Generic type {0} has unassigned type parameters.", BsonUtils.GetFriendlyTypeName(type));
throw new ArgumentException(message, "type");
}
if (type.IsInterface)
{
var serializerTypeDefinition = typeof(DiscriminatedInterfaceSerializer<>);
return CreateGenericSerializer(serializerTypeDefinition, new[] { type }, serializerRegistry);
}
return null;
}
/// <inheritdoc />
public override BsonDocument Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(BsonDocument.Parse(_json));
}
public override BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
var renderedField = _field.Render(sourceSerializer, serializerRegistry, linqProvider);
return(new BsonDocument(renderedField.FieldName, _value));
}
public static Expression Rewrite(Expression node, IBsonSerializerRegistry serializerRegistry)
{
var rewriter = new CorrelatedGroupRewriter(serializerRegistry);
return rewriter.Visit(node);
}
/// <inheritdoc/>
public override RenderedProjectionDefinition <TProjection> Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(new RenderedProjectionDefinition <TProjection>(
null,
_projectionSerializer ?? (sourceSerializer as IBsonSerializer <TProjection>) ?? serializerRegistry.GetSerializer <TProjection>()));
}
public override BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
var document = new BsonDocument();
foreach (var projection in _projections)
{
var renderedProjection = projection.Render(sourceSerializer, serializerRegistry, linqProvider);
foreach (var element in renderedProjection.Elements)
{
// last one wins
document.Remove(element.Name);
document.Add(element);
}
}
return(document);
}
public static Expression BuildAsync(Expression node, Expression provider, Expression cancellationToken, IBsonSerializerRegistry serializerRegistry)
{
return new QueryableExecutionBuilder(provider, cancellationToken, serializerRegistry).Visit(node);
}
/// <inheritdoc />
public override RenderedProjectionDefinition <TProjection> Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(FindProjectionTranslator.Translate <TSource, TProjection>(_expression, sourceSerializer, serializerRegistry));
}
/// <inheritdoc />
IRenderedPipelineStageDefinition IPipelineStageDefinition.Render(IBsonSerializer inputSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(Render((IBsonSerializer <TInput>)inputSerializer, serializerRegistry));
}
/// <inheritdoc />
public override RenderedPipelineStageDefinition <TOutput> Render(IBsonSerializer <TInput> inputSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(new RenderedPipelineStageDefinition <TOutput>(
OperatorName,
BsonDocument.Parse(_json),
_outputSerializer ?? (inputSerializer as IBsonSerializer <TOutput>) ?? serializerRegistry.GetSerializer <TOutput>()));
}
/// <summary>
/// Creates the serializer from a serializer type definition and type arguments.
/// </summary>
/// <param name="serializerTypeDefinition">The serializer type definition.</param>
/// <param name="typeArguments">The type arguments.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <returns>
/// A serializer.
/// </returns>
protected virtual IBsonSerializer CreateGenericSerializer(Type serializerTypeDefinition, Type[] typeArguments, IBsonSerializerRegistry serializerRegistry)
{
var serializerType = serializerTypeDefinition.MakeGenericType(typeArguments);
return CreateSerializer(serializerType, serializerRegistry);
}
/// <summary>
/// Renders the specified document serializer.
/// </summary>
/// <param name="inputSerializer">The input serializer.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <returns>A <see cref="RenderedPipelineStageDefinition{TOutput}" /></returns>
public abstract RenderedPipelineStageDefinition <TOutput> Render(IBsonSerializer <TInput> inputSerializer, IBsonSerializerRegistry serializerRegistry);
/// <inheritdoc/> public abstract IBsonSerializer GetSerializer(Type type, IBsonSerializerRegistry serializerRegistry);
public AccumulatorBinder(IBsonSerializerRegistry serializerRegistry)
: base(serializerRegistry)
{
_isPotentialAccumulatorMethod = true;
}
private CorrelatedGroupRewriter(IBsonSerializerRegistry serializerRegistry)
{
_serializerRegistry = serializerRegistry;
_map = new Dictionary<CorrelatedAccumulatorExpression, Expression>();
}
/// <summary> /// Renders the sort to a <see cref="BsonDocument"/>. /// </summary> /// <param name="documentSerializer">The document serializer.</param> /// <param name="serializerRegistry">The serializer registry.</param> /// <returns>A <see cref="BsonDocument"/>.</returns> public abstract BsonDocument Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry);
public override RenderedPipelineStageDefinition <TOutput> Render(IBsonSerializer <TInput> inputSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(_renderer(inputSerializer, serializerRegistry));
}
public static RenderedProjectionDefinition <TResult> TranslateGroup <TKey, TDocument, TResult>(Expression <Func <TDocument, TKey> > idProjector, Expression <Func <IGrouping <TKey, TDocument>, TResult> > groupProjector, IBsonSerializer <TDocument> parameterSerializer, IBsonSerializerRegistry serializerRegistry)
{
var keyBinder = new SerializationInfoBinder(serializerRegistry);
var boundKeyExpression = BindSerializationInfo(keyBinder, idProjector, parameterSerializer);
if (!(boundKeyExpression is ISerializationExpression))
{
var keySerializer = SerializerBuilder.Build(boundKeyExpression, serializerRegistry);
boundKeyExpression = new SerializationExpression(
boundKeyExpression,
new BsonSerializationInfo(null, keySerializer, typeof(TKey)));
}
var idExpression = new GroupIdExpression(boundKeyExpression, ((ISerializationExpression)boundKeyExpression).SerializationInfo);
var groupBinder = new AccumulatorBinder(serializerRegistry);
groupBinder.RegisterMemberReplacement(typeof(IGrouping <TKey, TDocument>).GetProperty("Key"), idExpression);
var groupSerializer = new ArraySerializer <TDocument>(parameterSerializer);
var boundGroupExpression = BindSerializationInfo(groupBinder, groupProjector, groupSerializer);
var projectionSerializer = (IBsonSerializer <TResult>)SerializerBuilder.Build(boundGroupExpression, serializerRegistry);
var projection = AggregateLanguageTranslator.Translate(boundGroupExpression).AsBsonDocument;
// must have an "_id" in a group document
if (!projection.Contains("_id"))
{
var idProjection = AggregateLanguageTranslator.Translate(boundKeyExpression);
projection.InsertAt(0, new BsonElement("_id", idProjection));
}
return(new RenderedProjectionDefinition <TResult>(projection, projectionSerializer));
}
/// <inheritdoc />
public override RenderedProjectionDefinition <TProjection> Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
return(linqProvider.GetAdapter().TranslateExpressionToFindProjection(_expression, sourceSerializer, serializerRegistry));
}
public QueryableTranslator(IBsonSerializerRegistry serializerRegistry, ExpressionTranslationOptions translationOptions)
{
_serializerRegistry = Ensure.IsNotNull(serializerRegistry, nameof(serializerRegistry));
_translationOptions = translationOptions; // can be null
_stages = new List<BsonDocument>();
}
/// <inheritdoc />
public override BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
return(BsonDocument.Parse(_json));
}
public override RenderedProjectionDefinition <TProjection> Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry)
{
var document = _projection.Render(sourceSerializer, serializerRegistry);
return(new RenderedProjectionDefinition <TProjection>(
document,
_projectionSerializer ?? (sourceSerializer as IBsonSerializer <TProjection>) ?? serializerRegistry.GetSerializer <TProjection>()));
}
/// <inheritdoc />
public override BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
var serializer = serializerRegistry.GetSerializer(_obj.GetType());
return(new BsonDocumentWrapper(_obj, serializer));
}
/// <summary>
/// Renders the projection to a <see cref="RenderedProjectionDefinition{TProjection}"/>.
/// </summary>
/// <param name="sourceSerializer">The source serializer.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <returns>A <see cref="BsonDocument"/>.</returns>
public abstract BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry);
/// <summary> /// Renders the field to a <see cref="String"/>. /// </summary> /// <param name="documentSerializer">The document serializer.</param> /// <param name="serializerRegistry">The serializer registry.</param> /// <returns>A <see cref="String"/>.</returns> public abstract RenderedFieldDefinition Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry);
public override BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider)
{
var renderedField = _field.Render(sourceSerializer, serializerRegistry, linqProvider);
IBsonSerializer <TItem> itemSerializer;
if (renderedField.FieldSerializer != null)
{
var arraySerializer = renderedField.FieldSerializer as IBsonArraySerializer;
BsonSerializationInfo itemSerializationInfo;
if (arraySerializer == null || !arraySerializer.TryGetItemSerializationInfo(out itemSerializationInfo))
{
var message = string.Format("The serializer for field '{0}' must implement IBsonArraySerializer and provide item serialization info.", renderedField.FieldName);
throw new InvalidOperationException(message);
}
itemSerializer = (IBsonSerializer <TItem>)itemSerializationInfo.Serializer;
}
else
{
itemSerializer = serializerRegistry.GetSerializer <TItem>();
}
var renderedFilter = _filter.Render(itemSerializer, serializerRegistry, linqProvider);
return(new BsonDocument(renderedField.FieldName, new BsonDocument("$elemMatch", renderedFilter)));
}
/// <inheritdoc />
public override RenderedFieldDefinition Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
string resolvedName;
IBsonSerializer resolvedSerializer;
StringFieldDefinitionHelper.Resolve <TDocument>(_fieldName, documentSerializer, out resolvedName, out resolvedSerializer);
return(new RenderedFieldDefinition(resolvedName, resolvedSerializer));
}
public override RenderedProjectionDefinition <TNewResult> Render(IBsonSerializer <TResult> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(AggregateProjectionTranslator.TranslateGroup <TKey, TResult, TNewResult>(_idExpression, _groupExpression, documentSerializer, serializerRegistry));
}
public QueryableExecutionBuilder(Expression provider, Expression cancellationToken, IBsonSerializerRegistry serializerRegistry)
{
_provider = provider;
_cancellationToken = cancellationToken;
_serializerRegistry = serializerRegistry;
}
/// <inheritdoc />
public override RenderedFieldDefinition Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
var binder = new SerializationInfoBinder(serializerRegistry);
var parameterSerializationInfo = new BsonSerializationInfo(null, documentSerializer, documentSerializer.ValueType);
var parameterExpression = new SerializationExpression(_expression.Parameters[0], parameterSerializationInfo);
binder.RegisterParameterReplacement(_expression.Parameters[0], parameterExpression);
var bound = binder.Bind(_expression.Body) as ISerializationExpression;
if (bound == null)
{
var message = string.Format("Unable to determine the serialization information for {0}.", _expression);
throw new InvalidOperationException(message);
}
return(new RenderedFieldDefinition(bound.SerializationInfo.ElementName, bound.SerializationInfo.Serializer));
}
public ProjectionBindingContext(IBsonSerializerRegistry serializerRegistry, IMethodCallBinder methodCallBinder)
{
_serializerRegistry = Ensure.IsNotNull(serializerRegistry, "serializerRegistry");
_methodCallBinder = Ensure.IsNotNull(methodCallBinder, "methodCallBinder");
_groupMap = new CorrelatedGroupMap();
}
/// <inheritdoc />
public override BsonDocument Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(_document);
}
public AccumulatorBinder(CorrelatedGroupMap groupMap, IBsonSerializerRegistry serializerRegistry)
: this(serializerRegistry)
{
_groupMap = groupMap;
}
/// <inheritdoc />
public override BsonDocument Render(IBsonSerializer <TDocument> documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
var serializer = serializerRegistry.GetSerializer(_obj.GetType());
return(new BsonDocumentWrapper(_obj, serializer));
}
public static IBsonSerializer Build(Expression node, IBsonSerializerRegistry serializerRegistry)
{
var builder = new SerializerBuilder(serializerRegistry);
return builder.Build(node);
}
public static RenderedProjectionDefinition <TResult> TranslateProject <TDocument, TResult>(Expression <Func <TDocument, TResult> > projector, IBsonSerializer <TDocument> parameterSerializer, IBsonSerializerRegistry serializerRegistry)
{
var binder = new SerializationInfoBinder(BsonSerializer.SerializerRegistry);
var boundExpression = BindSerializationInfo(binder, projector, parameterSerializer);
var projectionSerializer = (IBsonSerializer <TResult>)SerializerBuilder.Build(boundExpression, serializerRegistry);
var projection = TranslateProject(boundExpression);
return(new RenderedProjectionDefinition <TResult>(projection, projectionSerializer));
}
public static Expression Bind(Expression node, IBsonSerializer documentSerializer, IBsonSerializerRegistry serializerRegistry)
{
// bind
var binder = new ProjectionBinder(documentSerializer, serializerRegistry, __methodCallBinder);
var bound = binder.Bind(node);
// post-process
return CorrelatedGroupRewriter.Rewrite(bound, serializerRegistry);
}
/// <summary>
/// Renders the projection to a <see cref="RenderedProjectionDefinition{TProjection}"/>.
/// </summary>
/// <param name="sourceSerializer">The source serializer.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <returns>A <see cref="BsonDocument"/>.</returns>
public virtual BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry)
{
return(Render(sourceSerializer, serializerRegistry, LinqProvider.V2));
}
public static Expression Build(Expression node, Expression provider, IBsonSerializerRegistry serializerRegistry)
{
return new QueryableExecutionBuilder(provider, null, serializerRegistry).Visit(node);
}
private QueryableExecutionModelBuilder(IBsonSerializerRegistry serializerRegistry)
{
_serializerRegistry = serializerRegistry;
_stages = new List<BsonDocument>();
}
/// <summary>
/// Renders the projection to a <see cref="RenderedProjectionDefinition{TProjection}"/>.
/// </summary>
/// <param name="sourceSerializer">The source serializer.</param>
/// <param name="serializerRegistry">The serializer registry.</param>
/// <param name="linqProvider">The LINQ provider.</param>
/// <returns>A <see cref="BsonDocument"/>.</returns>
public abstract BsonDocument Render(IBsonSerializer <TSource> sourceSerializer, IBsonSerializerRegistry serializerRegistry, LinqProvider linqProvider);
private IBsonSerializer GetCollectionSerializer(Type type, IBsonSerializerRegistry serializerRegistry)
{
Type implementedGenericDictionaryInterface = null;
Type implementedGenericEnumerableInterface = null;
Type implementedGenericSetInterface = null;
Type implementedDictionaryInterface = null;
Type implementedEnumerableInterface = null;
var implementedInterfaces = new List<Type>(type.GetInterfaces());
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsInterface)
{
implementedInterfaces.Add(type);
}
foreach (var implementedInterface in implementedInterfaces)
{
var implementedInterfaceTypeInfo = implementedInterface.GetTypeInfo();
if (implementedInterfaceTypeInfo.IsGenericType)
{
var genericInterfaceDefinition = implementedInterface.GetGenericTypeDefinition();
if (genericInterfaceDefinition == typeof(IDictionary<,>))
{
implementedGenericDictionaryInterface = implementedInterface;
}
if (genericInterfaceDefinition == typeof(IEnumerable<>))
{
implementedGenericEnumerableInterface = implementedInterface;
}
if (genericInterfaceDefinition == typeof(ISet<>))
{
implementedGenericSetInterface = implementedInterface;
}
}
else
{
if (implementedInterface == typeof(IDictionary))
{
implementedDictionaryInterface = implementedInterface;
}
if (implementedInterface == typeof(IEnumerable))
{
implementedEnumerableInterface = implementedInterface;
}
}
}
// the order of the tests is important
if (implementedGenericDictionaryInterface != null)
{
var keyType = implementedGenericDictionaryInterface.GetGenericArguments()[0];
var valueType = implementedGenericDictionaryInterface.GetGenericArguments()[1];
if (typeInfo.IsInterface)
{
var dictionaryDefinition = typeof(Dictionary<,>);
var dictionaryType = dictionaryDefinition.MakeGenericType(keyType, valueType);
var serializerDefinition = typeof(ImpliedImplementationInterfaceSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, dictionaryType }, serializerRegistry);
}
else
{
var serializerDefinition = typeof(DictionaryInterfaceImplementerSerializer<,,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, keyType, valueType }, serializerRegistry);
}
}
else if (implementedDictionaryInterface != null)
{
if (typeInfo.IsInterface)
{
var dictionaryType = typeof(Hashtable);
var serializerDefinition = typeof(ImpliedImplementationInterfaceSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, dictionaryType }, serializerRegistry);
}
else
{
var serializerDefinition = typeof(DictionaryInterfaceImplementerSerializer<>);
return CreateGenericSerializer(serializerDefinition, new[] { type }, serializerRegistry);
}
}
else if (implementedGenericSetInterface != null)
{
var itemType = implementedGenericSetInterface.GetGenericArguments()[0];
if (typeInfo.IsInterface)
{
var hashSetDefinition = typeof(HashSet<>);
var hashSetType = hashSetDefinition.MakeGenericType(itemType);
var serializerDefinition = typeof(ImpliedImplementationInterfaceSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, hashSetType }, serializerRegistry);
}
else
{
var serializerDefinition = typeof(EnumerableInterfaceImplementerSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, itemType }, serializerRegistry);
}
}
else if (implementedGenericEnumerableInterface != null)
{
var itemType = implementedGenericEnumerableInterface.GetGenericArguments()[0];
var readOnlyCollectionType = typeof(ReadOnlyCollection<>).MakeGenericType(itemType);
if (type == readOnlyCollectionType)
{
var serializerDefinition = typeof(ReadOnlyCollectionSerializer<>);
return CreateGenericSerializer(serializerDefinition, new[] { itemType }, serializerRegistry);
}
else if (readOnlyCollectionType.IsAssignableFrom(type))
{
var serializerDefinition = typeof(ReadOnlyCollectionSubclassSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, itemType }, serializerRegistry);
}
else if (typeInfo.IsInterface)
{
var listDefinition = typeof(List<>);
var listType = listDefinition.MakeGenericType(itemType);
var serializerDefinition = typeof(ImpliedImplementationInterfaceSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, listType }, serializerRegistry);
}
else
{
var serializerDefinition = typeof(EnumerableInterfaceImplementerSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, itemType }, serializerRegistry);
}
}
else if (implementedEnumerableInterface != null)
{
if (typeInfo.IsInterface)
{
var listType = typeof(ArrayList);
var serializerDefinition = typeof(ImpliedImplementationInterfaceSerializer<,>);
return CreateGenericSerializer(serializerDefinition, new[] { type, listType }, serializerRegistry);
}
else
{
var serializerDefinition = typeof(EnumerableInterfaceImplementerSerializer<>);
return CreateGenericSerializer(serializerDefinition, new[] { type }, serializerRegistry);
}
}
return null;
}
public static IBsonSerializer GetSerializerForValueType(IBsonSerializer fieldSerializer, IBsonSerializerRegistry serializerRegistry, Type valueType, object value)
{
if (!valueType.GetTypeInfo().IsValueType&& value == null)
{
return(fieldSerializer);
}
else
{
return(GetSerializerForValueType(fieldSerializer, serializerRegistry, valueType, allowScalarValueForArrayField: false));
}
}
public ConvertIfPossibleSerializer(IBsonSerializer <TTo> serializer, IBsonSerializerRegistry serializerRegistry)
{
_serializer = serializer;
_serializerRegistry = serializerRegistry;
}
public static IBsonSerializer GetSerializerForValueType(IBsonSerializer fieldSerializer, IBsonSerializerRegistry serializerRegistry, Type valueType)
{
return(GetSerializerForValueType(fieldSerializer, serializerRegistry, valueType, allowScalarValueForArrayField: false));
}
public QueryableTranslator(IBsonSerializerRegistry serializerRegistry)
{
_serializerRegistry = Ensure.IsNotNull(serializerRegistry, nameof(serializerRegistry));
_stages = new List<BsonDocument>();
}
public static IBsonSerializer GetSerializerForValueType(IBsonSerializer fieldSerializer, IBsonSerializerRegistry serializerRegistry, Type valueType, bool allowScalarValueForArrayField)
{
var fieldType = fieldSerializer.ValueType;
// these will normally be equal unless we've removed some Convert(s) that the compiler put in
if (fieldType == valueType)
{
return(fieldSerializer);
}
// serialize numeric values without converting them
if (fieldType.IsNumeric() && valueType.IsNumeric())
{
var valueSerializer = BsonSerializer.SerializerRegistry.GetSerializer(valueType);
if (HasStringRepresentation(fieldSerializer))
{
valueSerializer = WithStringRepresentation(valueSerializer);
}
return(valueSerializer);
}
var fieldTypeInfo = fieldType.GetTypeInfo();
var fieldSerializerInterfaceType = typeof(IBsonSerializer <>).MakeGenericType(fieldType);
var valueTypeInfo = valueType.GetTypeInfo();
// synthesize a NullableSerializer using the field serializer
if (valueType.IsNullable() && valueType.GetNullableUnderlyingType() == fieldType)
{
var nullableSerializerType = typeof(NullableSerializer <>).MakeGenericType(fieldType);
var nullableSerializerConstructor = nullableSerializerType.GetTypeInfo().GetConstructor(new[] { fieldSerializerInterfaceType });
return((IBsonSerializer)nullableSerializerConstructor.Invoke(new object[] { fieldSerializer }));
}
// synthesize an EnumConvertingSerializer using the field serializer
if (fieldTypeInfo.IsEnum)
{
if (valueType.IsConvertibleToEnum())
{
var enumConvertingSerializerType = typeof(EnumConvertingSerializer <,>).MakeGenericType(valueType, fieldType);
var enumConvertingSerializerConstructor = enumConvertingSerializerType.GetTypeInfo().GetConstructor(new[] { fieldSerializerInterfaceType });
return((IBsonSerializer)enumConvertingSerializerConstructor.Invoke(new object[] { fieldSerializer }));
}
if (valueType.IsNullable() && valueType.GetNullableUnderlyingType().IsConvertibleToEnum())
{
var underlyingValueType = valueType.GetNullableUnderlyingType();
var underlyingValueSerializerInterfaceType = typeof(IBsonSerializer <>).MakeGenericType(underlyingValueType);
var enumConvertingSerializerType = typeof(EnumConvertingSerializer <,>).MakeGenericType(underlyingValueType, fieldType);
var enumConvertingSerializerConstructor = enumConvertingSerializerType.GetTypeInfo().GetConstructor(new[] { fieldSerializerInterfaceType });
var enumConvertingSerializer = enumConvertingSerializerConstructor.Invoke(new object[] { fieldSerializer });
var nullableSerializerType = typeof(NullableSerializer <>).MakeGenericType(underlyingValueType);
var nullableSerializerConstructor = nullableSerializerType.GetTypeInfo().GetConstructor(new[] { underlyingValueSerializerInterfaceType });
return((IBsonSerializer)nullableSerializerConstructor.Invoke(new object[] { enumConvertingSerializer }));
}
}
// synthesize a NullableEnumConvertingSerializer using the field serializer
if (fieldType.IsNullableEnum() && valueType.IsNullable())
{
var nonNullableFieldType = fieldType.GetNullableUnderlyingType();
var nonNullableValueType = valueType.GetNullableUnderlyingType();
var nonNullableFieldSerializer = ((IChildSerializerConfigurable)fieldSerializer).ChildSerializer;
var nonNullableFieldSerializerInterfaceType = typeof(IBsonSerializer <>).MakeGenericType(nonNullableFieldType);
var nullableEnumConvertingSerializerType = typeof(NullableEnumConvertingSerializer <,>).MakeGenericType(nonNullableValueType, nonNullableFieldType);
var nullableEnumConvertingSerializerConstructor = nullableEnumConvertingSerializerType.GetTypeInfo().GetConstructor(new[] { nonNullableFieldSerializerInterfaceType });
return((IBsonSerializer)nullableEnumConvertingSerializerConstructor.Invoke(new object[] { nonNullableFieldSerializer }));
}
// synthesize an IEnumerableSerializer serializer using the item serializer from the field serializer
Type fieldIEnumerableInterfaceType;
Type valueIEnumerableInterfaceType;
Type itemType;
if (
(fieldIEnumerableInterfaceType = fieldType.FindIEnumerable()) != null &&
(valueIEnumerableInterfaceType = valueType.FindIEnumerable()) != null &&
(itemType = fieldIEnumerableInterfaceType.GetSequenceElementType()) == valueIEnumerableInterfaceType.GetSequenceElementType() &&
fieldSerializer is IChildSerializerConfigurable)
{
var itemSerializer = ((IChildSerializerConfigurable)fieldSerializer).ChildSerializer;
var itemSerializerInterfaceType = typeof(IBsonSerializer <>).MakeGenericType(itemType);
var ienumerableSerializerType = typeof(IEnumerableSerializer <>).MakeGenericType(itemType);
var ienumerableSerializerConstructor = ienumerableSerializerType.GetTypeInfo().GetConstructor(new[] { itemSerializerInterfaceType });
return((IBsonSerializer)ienumerableSerializerConstructor.Invoke(new object[] { itemSerializer }));
}
if (allowScalarValueForArrayField)
{
// if the fieldSerializer is an array serializer try to adapt its itemSerializer for valueType
IBsonArraySerializer arraySerializer;
if ((arraySerializer = fieldSerializer as IBsonArraySerializer) != null)
{
BsonSerializationInfo itemSerializationInfo;
if (arraySerializer.TryGetItemSerializationInfo(out itemSerializationInfo))
{
var itemSerializer = itemSerializationInfo.Serializer;
return(GetSerializerForValueType(itemSerializer, serializerRegistry, valueType, allowScalarValueForArrayField: false));
}
}
}
// if we can't return a value serializer based on the field serializer return a converting serializer
var convertIfPossibleSerializerType = typeof(ConvertIfPossibleSerializer <,>).MakeGenericType(valueType, fieldType);
var convertIfPossibleSerializerConstructor = convertIfPossibleSerializerType.GetTypeInfo().GetConstructor(new[] { fieldSerializerInterfaceType, typeof(IBsonSerializerRegistry) });
return((IBsonSerializer)convertIfPossibleSerializerConstructor.Invoke(new object[] { fieldSerializer, serializerRegistry }));
}
private SerializerBuilder(IBsonSerializerRegistry serializerRegistry)
{
_serializerRegistry = serializerRegistry;
}
private ProjectionBinder(IBsonSerializer documentSerializer, IBsonSerializerRegistry serializerRegistry, IMethodCallBinder methodCallBinder)
{
_methodCallBinder = Ensure.IsNotNull(methodCallBinder, "methodCallBinder");
_documentSerializer = Ensure.IsNotNull(documentSerializer, "documentSerializer");
_context = new ProjectionBindingContext(
Ensure.IsNotNull(serializerRegistry, "serializerRegistry"),
_methodCallBinder);
}
