/// <summary>
/// Tries to get the serialization info for the individual items of the array.
/// </summary>
/// <param name="serializationInfo">The serialization information.</param>
/// <returns>
/// <c>true</c> if the serialization info exists; otherwise <c>false</c>.
/// </returns>
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
var itemSerializer = _lazyItemSerializer.Value;
serializationInfo = new BsonSerializationInfo(null, itemSerializer, itemSerializer.ValueType);
return(true);
}
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
var propertyType = typeof(Sample).GetProperty(memberName).PropertyType;
serializationInfo = new BsonSerializationInfo(memberName.ToLower(), new ValueSerialize(), typeof(object));
return(true);
}
public override Expression Bind(ProjectionExpression projection, ProjectionBindingContext context, MethodCallExpression node, IEnumerable <Expression> arguments)
{
// OfType is two operations in one. First we create WhereExpression
// for the test. Second, we want to issue a conversion projection
// using the selector parameter of a ProjectionExpression such that
// the conversion will be propogated to all future expressions.
var newType = node.Method.GetGenericArguments()[0];
var parameter = Expression.Parameter(projection.Projector.Type);
var predicate = Expression.Lambda(
Expression.TypeIs(parameter, newType),
parameter);
var source = BindPredicate(projection, context, projection.Source, predicate);
var serializer = context.SerializerRegistry.GetSerializer(newType);
var info = new BsonSerializationInfo(null, serializer, newType);
var projector = new SerializationExpression(
Expression.Convert(projection.Projector, newType),
info);
return(new ProjectionExpression(
source,
projector));
}
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
switch (memberName)
{
case "type":
serializationInfo = new BsonSerializationInfo("type", new StringSerializer(), typeof(string));
return(true);
case "valueType":
serializationInfo = new BsonSerializationInfo("valueType", new StringSerializer(), typeof(string));
return(true);
case "issuer":
serializationInfo = new BsonSerializationInfo("issuer", new StringSerializer(), typeof(string));
return(true);
case "originalIssuer":
serializationInfo = new BsonSerializationInfo("originalIssuer", new StringSerializer(), typeof(string));
return(true);
default:
serializationInfo = null;
return(false);
}
}
/// <summary>
/// Gets the item serialization info.
/// </summary>
/// <param name="methodName">Name of the method.</param>
/// <param name="serializationInfo">The serialization info.</param>
/// <returns>The item BsonSerializationInfo for the expression.</returns>
public BsonSerializationInfo GetItemSerializationInfo(string methodName, BsonSerializationInfo serializationInfo)
{
var arraySerializer = serializationInfo.Serializer as IBsonArraySerializer;
if (arraySerializer != null)
{
var itemSerializationInfo = arraySerializer.GetItemSerializationInfo();
if (itemSerializationInfo != null)
{
var arrayOptions = serializationInfo.SerializationOptions as ArraySerializationOptions;
if (arrayOptions != null)
{
var itemSerializationOptions = arrayOptions.ItemSerializationOptions;
return(new BsonSerializationInfo(
itemSerializationInfo.ElementName,
itemSerializationInfo.Serializer,
itemSerializationInfo.NominalType,
itemSerializationOptions));
}
return(itemSerializationInfo);
}
}
string message = string.Format("{0} requires that the serializer specified for {1} support items by implementing {2} and returning a non-null result. {3} is the current serializer.",
methodName,
serializationInfo.ElementName,
typeof(IBsonArraySerializer),
serializationInfo.Serializer.GetType());
throw new NotSupportedException(message);
}
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
switch (memberName)
{
case "SubjectId":
serializationInfo = new BsonSerializationInfo("_id", new ObjectIdSerializer(), typeof(ObjectId));
return(true);
case "StudyId":
serializationInfo = new BsonSerializationInfo("STUDYID", new StringSerializer(), typeof(string));
return(true);
case "SampleId":
serializationInfo = new BsonSerializationInfo("BSREFID", new StringSerializer(), typeof(string));
return(true);
case "AssayId":
serializationInfo = new BsonSerializationInfo("BSGRPID", new Int32Serializer(), typeof(int));
return(true);
case "DomainCode":
serializationInfo = new BsonSerializationInfo("DOMAIN", new StringSerializer(), typeof(string));
return(true);
default:
serializationInfo = null;
return(false);
}
}
public void SetValue(object targetResource, string propertyName, object propertyValue)
{
var resourceType = GetResourceType(targetResource);
var annotation = (TypedResourceTypeAnnotation)resourceType.CustomState;
var memberMap = annotation.ClassMap.GetMemberMap(propertyName);
var serializer = memberMap.GetSerializer(memberMap.MemberType) as IBsonArraySerializer;
if (serializer != null)
{
var itemSerializationInfo = serializer.GetItemSerializationInfo();
var array = itemSerializationInfo.SerializeValues((IEnumerable)propertyValue);
var memberMapSerializationInfo = new BsonSerializationInfo(memberMap.ElementName,
serializer,
memberMap.MemberType,
memberMap.SerializationOptions);
propertyValue = memberMapSerializationInfo.DeserializeValue(array);
}
memberMap.Setter(targetResource, propertyValue);
if (_rememberedInstances.Contains(targetResource))
{
return;
}
var collection = GetCollection(resourceType);
_rememberedInstances.Add(targetResource);
_actions.Add(() => collection.Save(resourceType.InstanceType, targetResource));
}
protected override Expression VisitUnary(UnaryExpression node)
{
var newNode = base.VisitUnary(node);
var unaryExpression = newNode as UnaryExpression;
if (node != newNode &&
unaryExpression != null &&
(newNode.NodeType == ExpressionType.Convert || newNode.NodeType == ExpressionType.ConvertChecked))
{
var serializationExpression = unaryExpression.Operand as ISerializationExpression;
if (serializationExpression != null)
{
BsonSerializationInfo serializationInfo;
var operandType = unaryExpression.Operand.Type;
if (!unaryExpression.Operand.Type.IsEnum &&
!operandType.IsNullableEnum() &&
!unaryExpression.Type.IsAssignableFrom(unaryExpression.Operand.Type))
{
// only lookup a new serializer if the cast is "unnecessary"
var serializer = _serializerRegistry.GetSerializer(node.Type);
serializationInfo = new BsonSerializationInfo(serializationExpression.SerializationInfo.ElementName, serializer, node.Type);
}
else
{
serializationInfo = serializationExpression.SerializationInfo;
}
return(new SerializationExpression(unaryExpression, serializationInfo));
}
}
return(newNode);
}
// private methods
private Expression BindElementAt(MethodCallExpression node)
{
if (!IsLinqMethod(node))
{
return(base.VisitMethodCall(node));
}
var newNode = base.VisitMethodCall(node);
var methodCallExpression = newNode as MethodCallExpression;
if (node != newNode && methodCallExpression != null &&
(methodCallExpression.Method.DeclaringType == typeof(Enumerable) || methodCallExpression.Method.DeclaringType == typeof(Queryable)))
{
var serializationExpression = methodCallExpression.Arguments[0] as IBsonSerializationInfoExpression;
if (serializationExpression != null)
{
var arraySerializer = serializationExpression.SerializationInfo.Serializer as IBsonArraySerializer;
if (arraySerializer != null)
{
var index = (int)((ConstantExpression)methodCallExpression.Arguments[1]).Value;
var itemSerializationInfo = arraySerializer.GetItemSerializationInfo();
itemSerializationInfo = new BsonSerializationInfo(
index.ToString(),
itemSerializationInfo.Serializer,
itemSerializationInfo.NominalType);
var serializationInfo = serializationExpression.SerializationInfo.Merge(itemSerializationInfo);
return(new FieldExpression(methodCallExpression, serializationInfo, serializationExpression.IsProjected));
}
}
}
return(newNode);
}
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
var serializer = BsonSerializer.LookupSerializer(ForeignPropertyMap.PropertyType);
serializationInfo = new BsonSerializationInfo(null, serializer, ForeignPropertyMap.PropertyType);
return(true);
}
// constructors
public GridFSForwardOnlyDownloadStream(
GridFSBucket <TFileId> bucket,
IReadBinding binding,
GridFSFileInfo <TFileId> fileInfo,
bool checkMD5)
: base(bucket, binding, fileInfo)
{
_checkMD5 = checkMD5;
if (_checkMD5)
{
_md5 = MD5.Create();
}
_lastChunkNumber = (int)((fileInfo.Length - 1) / fileInfo.ChunkSizeBytes);
_lastChunkSize = (int)(fileInfo.Length % fileInfo.ChunkSizeBytes);
if (_lastChunkSize == 0)
{
_lastChunkSize = fileInfo.ChunkSizeBytes;
}
var idSerializer = bucket.Options.SerializerRegistry.GetSerializer <TFileId>();
var idSerializationInfo = new BsonSerializationInfo("_id", idSerializer, typeof(TFileId));
_idAsBsonValue = idSerializationInfo.SerializeValue(fileInfo.Id);
}
private SerializationExpression BuildProjector(ProjectionExpression projection, ProjectionBindingContext context, GroupIdExpression id, Expression selector)
{
BsonSerializationInfo projectorSerializationInfo;
var projectorSerializationExpression = projection.Projector as ISerializationExpression;
if (projectorSerializationExpression != null)
{
projectorSerializationInfo = projectorSerializationExpression.SerializationInfo;
}
else
{
var projectorSerializer = context.SerializerRegistry.GetSerializer(projection.Projector.Type);
projectorSerializationInfo = new BsonSerializationInfo(
null,
projectorSerializer,
projectorSerializer.ValueType);
}
var serializerType = typeof(GroupingDeserializer <,>).MakeGenericType(id.Type, projection.Projector.Type);
var serializer = (IBsonSerializer)Activator.CreateInstance(serializerType, id.SerializationInfo, projectorSerializationInfo);
var info = new BsonSerializationInfo(null, serializer, serializer.ValueType);
var projector = new SerializationExpression(selector, info);
return(projector);
}
// public methods
/// <summary>
/// Tries to get the serialization info for a member.
/// </summary>
/// <param name="memberName">Name of the member.</param>
/// <param name="serializationInfo">The serialization information.</param>
/// <returns>
/// <c>true</c> if the serialization info exists; otherwise <c>false</c>.
/// </returns>
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
string elementName;
IBsonSerializer serializer;
switch (memberName)
{
case "DatabaseName":
elementName = "$db";
serializer = new StringSerializer();
break;
case "CollectionName":
elementName = "$ref";
serializer = new StringSerializer();
break;
case "Id":
elementName = "$id";
serializer = BsonValueSerializer.Instance;
break;
default:
serializationInfo = null;
return(false);
}
serializationInfo = new BsonSerializationInfo(elementName, serializer, serializer.ValueType);
return(true);
}
public override bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
// Dynamic members are allowed in a TestDocument if
// they start with Dynamic- or are an ObjectId.
// Otherwise, we fall back to the base-class' definition.
ObjectId objectId;
if (memberName.StartsWith("Dynamic-"))
{
serializationInfo = new BsonSerializationInfo(
memberName,
BsonValueSerializer.Instance,
typeof(BsonValue));
return(true);
}
else if (ObjectId.TryParse(memberName, out objectId))
{
serializationInfo = new BsonSerializationInfo(
memberName,
BsonValueSerializer.Instance,
typeof(BsonValue));
return(true);
}
return(base.TryGetMemberSerializationInfo(memberName, out serializationInfo));
}
/// <summary>
/// Registers a serializer with the given expression.
/// </summary>
/// <param name="node">The expression.</param>
/// <param name="serializer">The serializer.</param>
public void RegisterExpressionSerializer(Expression node, IBsonSerializer serializer)
{
_serializationInfoCache[node] = new BsonSerializationInfo(
null,
serializer,
node.Type);
}
protected override Expression VisitUnary(UnaryExpression node)
{
var newNode = base.VisitUnary(node);
var unaryExpression = newNode as UnaryExpression;
if (node != newNode &&
unaryExpression != null &&
!unaryExpression.Operand.Type.IsEnum && // enums are weird, so we skip them
(newNode.NodeType == ExpressionType.Convert || newNode.NodeType == ExpressionType.ConvertChecked))
{
if (unaryExpression.Operand.Type.IsGenericType && unaryExpression.Operand.Type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
var underlyingType = Nullable.GetUnderlyingType(node.Operand.Type);
if (underlyingType.IsEnum)
{
// we skip enums because they are weird
return(newNode);
}
}
var serializationExpression = unaryExpression.Operand as ISerializationExpression;
if (serializationExpression != null)
{
var serializer = _serializerRegistry.GetSerializer(node.Type);
var serializationInfo = new BsonSerializationInfo(serializationExpression.SerializationInfo.ElementName, serializer, node.Type);
return(new SerializationExpression(unaryExpression, serializationInfo));
}
}
return(newNode);
}
// constructors
public GridFSForwardOnlyUploadStream(
GridFSBucket <TFileId> bucket,
IWriteBinding binding,
TFileId id,
string filename,
BsonDocument metadata,
IEnumerable <string> aliases,
string contentType,
int chunkSizeBytes,
int batchSize)
{
_bucket = bucket;
_binding = binding;
_id = id;
_filename = filename;
_metadata = metadata; // can be null
_aliases = aliases == null ? null : aliases.ToList(); // can be null
_contentType = contentType; // can be null
_chunkSizeBytes = chunkSizeBytes;
_batchSize = batchSize;
_batch = new List <byte[]>();
_md5 = IncrementalMD5.Create();
var idSerializer = bucket.Options.SerializerRegistry.GetSerializer <TFileId>();
var idSerializationInfo = new BsonSerializationInfo("_id", idSerializer, typeof(TFileId));
_idAsBsonValue = idSerializationInfo.SerializeValue(id);
}
// protected methods
protected override Expression VisitBinary(BinaryExpression node)
{
var newNode = base.VisitBinary(node);
var binary = newNode as BinaryExpression;
if (binary != null && binary.NodeType == ExpressionType.ArrayIndex)
{
var serializationExpression = binary.Left as IBsonSerializationInfoExpression;
if (serializationExpression != null)
{
var arraySerializer = serializationExpression.SerializationInfo.Serializer as IBsonArraySerializer;
var indexExpression = binary.Right as ConstantExpression;
if (arraySerializer != null && indexExpression != null && indexExpression.Type == typeof(int))
{
var index = (int)indexExpression.Value;
var itemSerializationInfo = arraySerializer.GetItemSerializationInfo();
itemSerializationInfo = new BsonSerializationInfo(
index.ToString(),
itemSerializationInfo.Serializer,
itemSerializationInfo.NominalType);
var serializationInfo = serializationExpression.SerializationInfo.Merge(itemSerializationInfo);
newNode = new FieldExpression(binary, serializationInfo, serializationExpression.IsProjected);
}
}
}
return(newNode);
}
private Expression BuildProjector(Expression selector, ProjectionBindingContext context)
{
var selectorNode = selector;
if (!(selectorNode is ISerializationExpression))
{
var serializer = SerializerBuilder.Build(selector, context.SerializerRegistry);
BsonSerializationInfo info;
switch (selector.NodeType)
{
case ExpressionType.MemberInit:
case ExpressionType.New:
info = new BsonSerializationInfo(null, serializer, serializer.ValueType);
break;
default:
// this occurs when a computed field is used. This is a magic string
// that shouldn't ever be reference anywhere else...
info = new BsonSerializationInfo("__fld0", serializer, serializer.ValueType);
break;
}
selectorNode = new SerializationExpression(selector, info);
}
return(selectorNode);
}
/// <inheritdoc/>
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
var valueType = typeof(TValue);
var contract = _wrappedSerializer.ContractResolver.ResolveContract(valueType);
var arrayContract = contract as Newtonsoft.Json.Serialization.JsonArrayContract;
if (arrayContract == null)
{
serializationInfo = null;
return(false);
}
if (arrayContract.Converter != null)
{
throw new BsonSerializationException($"The Json.NET contract for type \"{valueType.Name}\" has a Converter and JsonConverters are opaque.");
}
if (arrayContract.IsReference ?? false)
{
throw new BsonSerializationException($"The Json.NET contract for type \"{valueType.Name}\" is serialized as a reference.");
}
if (arrayContract.ItemConverter != null)
{
throw new BsonSerializationException($"The Json.NET contract for type \"{valueType.Name}\" has an ItemConverter and JsonConverters are opaque.");
}
var itemType = arrayContract.CollectionItemType;
var itemSerializerType = typeof(JsonSerializerAdapter <>).MakeGenericType(itemType);
var itemSerializer = (IBsonSerializer)Activator.CreateInstance(itemSerializerType, _wrappedSerializer);
serializationInfo = new BsonSerializationInfo(null, itemSerializer, nominalType: itemType);
return(true);
}
private Expression BindSelector(ProjectionExpression projection, ProjectionBindingContext context, Expression id, Expression node)
{
var lambda = ExtensionExpressionVisitor.GetLambda(node);
var binder = new AccumulatorBinder(context.GroupMap, context.SerializerRegistry);
var serializer = SerializerBuilder.Build(projection.Projector, context.SerializerRegistry);
var sequenceSerializer = (IBsonSerializer)Activator.CreateInstance(
typeof(ArraySerializer <>).MakeGenericType(projection.Projector.Type),
new object[] { serializer });
var sequenceInfo = new BsonSerializationInfo(
null,
sequenceSerializer,
sequenceSerializer.ValueType);
var sequenceExpression = new SerializationExpression(
lambda.Parameters[1],
sequenceInfo);
binder.RegisterParameterReplacement(lambda.Parameters[0], id);
binder.RegisterParameterReplacement(lambda.Parameters[1], sequenceExpression);
var correlationId = Guid.NewGuid();
context.GroupMap.Add(sequenceExpression, correlationId);
var bound = binder.Bind(lambda.Body);
return(CorrelatedAccumulatorRemover.Remove(bound, correlationId));
}
/// <summary>
/// Tries to get the serialization info for a member.
/// </summary>
/// <param name="memberName">Name of the member.</param>
/// <param name="serializationInfo">The serialization information.</param>
/// <returns>
/// <c>true</c> if the serialization info exists; otherwise <c>false</c>.
/// </returns>
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
serializationInfo = new BsonSerializationInfo(
memberName,
BsonValueSerializer.Instance,
typeof(BsonValue));
return(true);
}
/// <summary>
/// Tries to get the serialization info for the individual items of the array.
/// </summary>
/// <param name="serializationInfo">The serialization information.</param>
/// <returns>
/// <c>true</c> if the serialization info exists; otherwise <c>false</c>.
/// </returns>
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
serializationInfo = new BsonSerializationInfo(
null,
BsonValueSerializer.Instance,
typeof(BsonValue));
return(true);
}
/// <summary>
/// Registers a serializer with the given expression.
/// </summary>
/// <param name="node">The expression.</param>
/// <param name="serializer">The serializer.</param>
public void RegisterExpressionSerializer(Expression node, IBsonSerializer serializer)
{
_serializationInfoCache[node] = new BsonSerializationInfo(
null,
serializer,
node.Type,
serializer.GetDefaultSerializationOptions());
}
private static Expression BindSerializationInfo(SerializationInfoBinder binder, LambdaExpression node, IBsonSerializer parameterSerializer)
{
var parameterSerializationInfo = new BsonSerializationInfo(null, parameterSerializer, parameterSerializer.ValueType);
var parameterExpression = new DocumentExpression(node.Parameters[0], parameterSerializationInfo, false);
binder.RegisterParameterReplacement(node.Parameters[0], parameterExpression);
return(binder.Bind(node.Body));
}
/// <summary>
/// Tries to get the serialization info for the individual items of the array.
/// </summary>
/// <param name="serializationInfo">The serialization information.</param>
/// <returns>
/// <c>true</c> if the serialization info exists; otherwise <c>false</c>.
/// </returns>
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
const string ElementName = null;
var serializer = BsonSerializer.LookupSerializer(typeof(ClientAddressDto));
const Type NominalType = null;
serializationInfo = new BsonSerializationInfo(ElementName, serializer, NominalType);
return(true);
}
public bool TryGetItemSerializationInfo(out BsonSerializationInfo serializationInfo)
{
string elementName = null;
var serializer = BsonSerializer.LookupSerializer(typeof(string));
var nominalType = typeof(string);
serializationInfo = new BsonSerializationInfo(elementName, serializer, nominalType);
return(true);
}
private static Expression BindSerializationInfo(SerializationInfoBinder binder, LambdaExpression node, IBsonSerializer parameterSerializer)
{
var evaluatedBody = PartialEvaluator.Evaluate(node.Body);
var parameterSerializationInfo = new BsonSerializationInfo(null, parameterSerializer, parameterSerializer.ValueType);
var parameterExpression = new SerializationExpression(node.Parameters[0], parameterSerializationInfo);
binder.RegisterParameterReplacement(node.Parameters[0], parameterExpression);
return(binder.Bind(evaluatedBody));
}
public bool TryGetMemberSerializationInfo(string memberName, out BsonSerializationInfo serializationInfo)
{
if (memberName == "ObjectID" || memberName == "_id")
{
serializationInfo = new BsonSerializationInfo("_id", this, typeof(string));
return(true);
}
serializationInfo = null;
return(false);
}
// constructors
public GridFSSeekableDownloadStream(
GridFSBucket <TFileId> bucket,
IReadBinding binding,
GridFSFileInfo <TFileId> fileInfo)
: base(bucket, binding, fileInfo)
{
var idSerializer = bucket.Options.SerializerRegistry.GetSerializer <TFileId>();
var idSerializationInfo = new BsonSerializationInfo("_id", idSerializer, typeof(TFileId));
_idAsBsonValue = idSerializationInfo.SerializeValue(fileInfo.Id);
}
