/// <summary>
/// Creates and registers a handler for the specified type according to the rules added so far.
/// </summary>
/// <typeparam name="T">The type being serialized.</typeparam>
/// <returns>The newly created handler.</returns>
private SerializationHandler AddHandler <T>()
{
SerializationHandler handler = null;
var type = typeof(T);
ISerializer <T> serializer = null;
TypeSchema schema = null;
if (!this.knownNames.TryGetValue(type, out string name))
{
name = TypeSchema.GetContractName(type, this.runtimeVersion);
}
int id = this.schemas.TryGetValue(name, out schema) ? schema.Id : TypeSchema.GetId(name);
serializer = this.CreateSerializer <T>();
handler = SerializationHandler.Create <T>(serializer, name, id);
// first register the handler
int oldCount = this.handlers.Length;
var newHandlers = new SerializationHandler[oldCount + 1];
Array.Copy(this.handlers, newHandlers, oldCount);
newHandlers[oldCount] = handler;
this.handlers = newHandlers;
var newIndex = new Dictionary <SerializationHandler, int>(this.index);
newIndex[handler] = oldCount;
this.index = newIndex;
var newHandlersByType = new Dictionary <Type, SerializationHandler>(this.handlersByType);
newHandlersByType[type] = handler;
this.handlersByType = newHandlersByType;
var newHandlersById = new Dictionary <int, SerializationHandler>(this.handlersById);
newHandlersById[handler.Id] = handler;
this.handlersById = newHandlersById;
// find the schema for this serializer (can be null for interfaces)
if (serializer != null)
{
// initialize the serializer after the handler is registered,
// to make sure all handlers are registered before initialization runs and
// allow the serializer initialization code to find and cache the handlers for the types it needs
schema = serializer.Initialize(this, schema);
// let any subscribers know that we initialized a new serializer that publishes a schema
if (schema != null)
{
// store the updated schema and override whatever is present already
this.schemas[schema.Name] = schema;
this.schemasById[schema.Id] = schema;
this.SchemaAdded?.Invoke(this, schema);
}
}
return(handler);
}
/// <summary>
/// Creates and registers a handler for the specified type according to the rules added so far.
/// </summary>
/// <typeparam name="T">The type being serialized.</typeparam>
/// <returns>The newly created handler.</returns>
private SerializationHandler AddHandler <T>()
{
SerializationHandler handler = null;
var type = typeof(T);
ISerializer <T> serializer = null;
TypeSchema schema = null;
if (!this.knownNames.TryGetValue(type, out string name))
{
name = TypeSchema.GetContractName(type, this.runtimeVersion);
}
if (!this.schemas.TryGetValue(name, out schema))
{
// try to match to an existing schema without assembly/version info
string typeName = TypeResolutionHelper.RemoveAssemblyName(type.AssemblyQualifiedName);
schema = this.schemas.Values.FirstOrDefault(s => TypeResolutionHelper.RemoveAssemblyName(s.TypeName) == typeName);
}
int id = schema?.Id ?? TypeSchema.GetId(name);
serializer = this.CreateSerializer <T>();
handler = SerializationHandler.Create <T>(serializer, schema?.Name ?? name, id);
// first register the handler
int oldCount = this.handlers.Length;
var newHandlers = new SerializationHandler[oldCount + 1];
Array.Copy(this.handlers, newHandlers, oldCount);
newHandlers[oldCount] = handler;
this.handlers = newHandlers;
var newIndex = new Dictionary <SerializationHandler, int>(this.index);
newIndex[handler] = oldCount;
this.index = newIndex;
var newHandlersByType = new Dictionary <Type, SerializationHandler>(this.handlersByType);
newHandlersByType[type] = handler;
this.handlersByType = newHandlersByType;
var newHandlersById = new Dictionary <int, SerializationHandler>(this.handlersById);
newHandlersById[handler.Id] = handler;
this.handlersById = newHandlersById;
// find the schema for this serializer (can be null for interfaces)
if (serializer != null)
{
// initialize the serializer after the handler is registered,
// to make sure all handlers are registered before initialization runs and
// allow the serializer initialization code to find and cache the handlers for the types it needs
try
{
schema = serializer.Initialize(this, schema);
// let any subscribers know that we initialized a new serializer that publishes a schema
if (schema != null)
{
// store the updated schema and override whatever is present already
this.schemas[schema.Name] = schema;
this.schemasById[schema.Id] = schema;
this.SchemaAdded?.Invoke(this, schema);
}
}
catch (SerializationException)
{
// Even though we're going to rethrow this exception, some callers may wish to
// attempt to recover from this error and just mark this one stream type as
// unreadable. So we should remove the handler we just registered as it's not
// yet properly initialized.
oldCount = this.handlers.Length;
newHandlers = new SerializationHandler[oldCount - 1];
Array.Copy(this.handlers, newHandlers, oldCount - 1);
this.handlers = newHandlers;
newIndex = new Dictionary <SerializationHandler, int>(this.index);
newIndex.Remove(handler);
this.index = newIndex;
newHandlersByType = new Dictionary <Type, SerializationHandler>(this.handlersByType);
newHandlersByType.Remove(type);
this.handlersByType = newHandlersByType;
newHandlersById = new Dictionary <int, SerializationHandler>(this.handlersById);
newHandlersById.Remove(handler.Id);
this.handlersById = newHandlersById;
throw;
}
}
return(handler);
}
