private static void AddAlternates(ShapeMetadata metadata, ICollection<string> values)
{
for (var i = 0; i < values.Count; i++)
{
var alternate = EncodeAlternate($"{metadata.Type}__{String.Join("_", values.Take(i + 1))}");
metadata.Alternates.Add(alternate);
}
}
public BaseShape()
{
Metadata = new ShapeMetadata();
}
public IShape Create(string shapeType, INamedEnumerable<object> parameters, IEnumerable<IClayBehavior> behaviors) {
var defaultShapeTable = _shapeTableLocator.Value.Lookup(null);
ShapeDescriptor shapeDescriptor;
defaultShapeTable.Descriptors.TryGetValue(shapeType, out shapeDescriptor);
var creatingContext = new ShapeCreatingContext {
New = this,
ShapeFactory = this,
ShapeType = shapeType,
OnCreated = new List<Action<ShapeCreatedContext>>()
};
var positional = parameters.Positional;
creatingContext.BaseType = positional.Take(1).OfType<Type>().SingleOrDefault();
if (creatingContext.BaseType == null) {
// default to common base class
creatingContext.BaseType = typeof(Shape);
}
else {
// consume the first argument
positional = positional.Skip(1);
}
if (creatingContext.BaseType == typeof(Array)) {
// array is a hint - not an intended base class
creatingContext.BaseType = typeof(Shape);
creatingContext.Behaviors = new List<IClayBehavior> {
new ClaySharp.Behaviors.InterfaceProxyBehavior(),
new ClaySharp.Behaviors.PropBehavior(),
new ClaySharp.Behaviors.ArrayBehavior(),
new ClaySharp.Behaviors.NilResultBehavior(),
};
}
else {
creatingContext.Behaviors = new List<IClayBehavior> {
new ClaySharp.Behaviors.InterfaceProxyBehavior(),
new ClaySharp.Behaviors.PropBehavior(),
new ClaySharp.Behaviors.NilResultBehavior(),
new Shape.ShapeBehavior(),
};
}
if (behaviors != null && behaviors.Any()) {
// include behaviors passed in by caller, if any
creatingContext.Behaviors = creatingContext.Behaviors.Concat(behaviors).ToList();
}
// "creating" events may add behaviors and alter base type)
foreach (var ev in _events) {
ev.Value.Creating(creatingContext);
}
if (shapeDescriptor != null) {
foreach (var ev in shapeDescriptor.Creating) {
ev(creatingContext);
}
}
// create the new instance
var createdContext = new ShapeCreatedContext {
New = creatingContext.New,
ShapeType = creatingContext.ShapeType,
Shape = ClayActivator.CreateInstance(creatingContext.BaseType, creatingContext.Behaviors)
};
var shapeMetadata = new ShapeMetadata { Type = shapeType };
createdContext.Shape.Metadata = shapeMetadata;
if (shapeDescriptor != null)
shapeMetadata.Wrappers = shapeMetadata.Wrappers.Concat(shapeDescriptor.Wrappers).ToList();
// "created" events provides default values and new object initialization
foreach (var ev in _events) {
ev.Value.Created(createdContext);
}
if (shapeDescriptor != null) {
foreach (var ev in shapeDescriptor.Created) {
ev(createdContext);
}
}
foreach (var ev in creatingContext.OnCreated) {
ev(createdContext);
}
// other properties passed with call overlay any defaults, so are after the created events
// only one non-Type, non-named argument is allowed
var initializer = positional.SingleOrDefault();
if (initializer != null) {
foreach (var prop in initializer.GetType().GetProperties()) {
createdContext.Shape[prop.Name] = prop.GetValue(initializer, null);
}
}
foreach (var kv in parameters.Named) {
createdContext.Shape[kv.Key] = kv.Value;
}
return createdContext.Shape;
}
public Shape()
{
Metadata = new ShapeMetadata();
}
public ShapeMessage(ShapeMetadata metaData) {
_metaData = metaData;
}