/// <inheritdoc/>
protected override void AddDerivedMemberStreamChildren()
{
// Get the type of this node.
Type dataType = TypeResolutionHelper.GetVerifiedType(this.DataTypeName);
// If this is already an auto-generated nullable, then the type we care to expand is
// the value-type inside the nullable type.
if (this.IsAutoGeneratedNullableMember)
{
dataType = dataType.GenericTypeArguments[0];
}
// Determine if the current node is a reference type
var isReference = this.IsAutoGeneratedNullableMember || !dataType.IsValueType || Nullable.GetUnderlyingType(dataType) != null;
if (dataType != null)
{
// Add a child node for each public instance property that takes no parameters.
foreach (PropertyInfo propertyInfo in dataType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(property => !property.GetMethod.GetParameters().Any()))
{
this.AddDerivedMemberStreamChild(propertyInfo, propertyInfo.PropertyType, isReference && propertyInfo.PropertyType.IsValueType);
}
// Add a child node for each public instance field
foreach (FieldInfo fieldInfo in dataType.GetFields(BindingFlags.Public | BindingFlags.Instance))
{
this.AddDerivedMemberStreamChild(fieldInfo, fieldInfo.FieldType, isReference && fieldInfo.FieldType.IsValueType);
}
}
}
// called to find the correct handler for a polymorphic field
internal SerializationHandler GetUntypedHandler(int handlerId, Type baseType)
{
// important: all code paths that could lead to the creation of a new handler need to lock.
lock (this.syncRoot)
{
if (this.handlersById.TryGetValue(handlerId, out SerializationHandler handler))
{
return(handler);
}
}
if (this.schemasById.TryGetValue(handlerId, out TypeSchema schema))
{
// do we have a type for this schema name?
if (!this.knownTypes.TryGetValue(schema.Name, out Type type))
{
// nothing registered, try getting a type based on the type hint
type = TypeResolutionHelper.GetVerifiedType(schema.TypeName);
if (type == null)
{
throw new SerializationException($"Failed to create a deserializer for type {schema.Name} because no type was registered for this name and the source type {schema.TypeName} could not be found. Add a reference to the assembly containing this type, or register an alternate type for this name.");
}
// register the type we found with schema name
this.Register(type, schema.Name);
}
// this will create the handler if needed
return(this.GetUntypedHandler(type));
}
throw new SerializationException($"Could not find the appropriate derived type with serialization handler id={handlerId} when deserializing a polymorphic instance or field of type {baseType.AssemblyQualifiedName}");
}
/// <inheritdoc/>
protected override bool CanExpandDerivedMemberStreams()
{
// If we have already expanded this node with derived member streams
if (this.InternalChildren.Any(c => c is DerivedMemberStreamTreeNode))
{
// Then no longer expand
return(false);
}
// Get the node type
var nodeType = TypeResolutionHelper.GetVerifiedType(this.DataTypeName);
// If it's an auto-generated nullable, we need to assess whether the inner value-type (inside the nullable)
// can expand the members.
if (this.IsAutoGeneratedNullableMember)
{
nodeType = nodeType.GenericTypeArguments[0];
}
if (nodeType != null)
{
return(nodeType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(property => !property.GetMethod.GetParameters().Any()).Any() || nodeType.GetFields(BindingFlags.Public | BindingFlags.Instance).Any());
}
return(false);
}
/// <summary>
/// Registers a generic serializer, that is, a serializer defined for a generic type.
/// The generic serializer must implement <see cref="ISerializer{T}"/>.
/// </summary>
/// <param name="genericSerializer">The type of generic serializer to register.</param>
public void RegisterGenericSerializer(Type genericSerializer)
{
// var interf = genericSerializer.GetInterface("ISerializer`1");
var interf = genericSerializer.GetInterface(typeof(ISerializer <>).FullName);
var serializableType = interf.GetGenericArguments()[0];
serializableType = TypeResolutionHelper.GetVerifiedType(serializableType.Namespace + "." + serializableType.Name); // FullName doesn't work here
this.templates[serializableType] = genericSerializer;
}
/// <summary>
/// Register known types for serialization.
/// </summary>
public static void RegisterKnownSerializationTypes()
{
KnownSerializers.Default.Register <Queue <TimeSpan> >("System.Collections.Generic.Queue`1[[System.TimeSpan, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Collections, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
KnownSerializers.Default.Register <Queue <int> >("System.Collections.Generic.Queue`1[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Collections, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
KnownSerializers.Default.Register <Dictionary <int, PipelineDiagnostics> >("System.Collections.Generic.Dictionary`2[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.Psi.Diagnostics.PipelineDiagnostics, Microsoft.Psi, Version=0.7.57.2, Culture=neutral, PublicKeyToken=null]], System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e");
KnownSerializers.Default.Register <Dictionary <int, PipelineDiagnostics.PipelineElementDiagnostics> >("System.Collections.Generic.Dictionary`2[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.Psi.Diagnostics.PipelineDiagnostics+PipelineElementDiagnostics, Microsoft.Psi, Version=0.7.57.2, Culture=neutral, PublicKeyToken=null]], System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e");
KnownSerializers.Default.Register <Dictionary <int, PipelineDiagnostics.ReceiverDiagnostics> >("System.Collections.Generic.Dictionary`2[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.Psi.Diagnostics.PipelineDiagnostics+ReceiverDiagnostics, Microsoft.Psi, Version=0.7.57.2, Culture=neutral, PublicKeyToken=null]], System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e");
KnownSerializers.Default.Register <Dictionary <int, PipelineDiagnostics.EmitterDiagnostics> >("System.Collections.Generic.Dictionary`2[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.Psi.Diagnostics.PipelineDiagnostics+EmitterDiagnostics, Microsoft.Psi, Version=0.7.57.2, Culture=neutral, PublicKeyToken=null]], System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e");
KnownSerializers.Default.Register(TypeResolutionHelper.GetVerifiedType("System.Collections.Generic.GenericEqualityComparer`1[System.Int32]"), "System.Collections.Generic.GenericEqualityComparer`1[[System.Int32, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e");
}
/// <inheritdoc/>
public Type BindToType(string assemblyName, string typeName)
{
return(TypeResolutionHelper.GetVerifiedType($"{typeName}, {assemblyName}"));
}
/// <summary>
/// Create instance of stream reader (assumes ctor taking name and path.
/// </summary>
/// <param name="storeName">Store name.</param>
/// <param name="storePath">Store path.</param>
/// <param name="streamReaderTypeName">Stream reader type name.</param>
/// <returns>Stream reader instance.</returns>
public static IStreamReader Create(string storeName, string storePath, string streamReaderTypeName)
{
return(Create(storeName, storePath, TypeResolutionHelper.GetVerifiedType(streamReaderTypeName)));
}
