DefaultStructBindingsStore.java 文件源码

<T, D> StructBindings<T> extract(ModelType<T> publicType, Iterable<? extends ModelType<?>> internalViewTypes, ModelType<D> delegateType) {
    if (delegateType != null && Modifier.isAbstract(delegateType.getConcreteClass().getModifiers())) {
        throw new InvalidManagedTypeException(String.format("Type '%s' is not a valid managed type: delegate type must be null or a non-abstract type instead of '%s'.",
            publicType.getDisplayName(), delegateType.getDisplayName()));
    }

    Set<ModelType<?>> implementedViews = collectImplementedViews(publicType, internalViewTypes, delegateType);
    StructSchema<T> publicSchema = getStructSchema(publicType);
    Iterable<StructSchema<?>> declaredViewSchemas = getStructSchemas(Iterables.concat(Collections.singleton(publicType), internalViewTypes));
    Iterable<StructSchema<?>> implementedSchemas = getStructSchemas(implementedViews);
    StructSchema<D> delegateSchema = delegateType == null ? null : getStructSchema(delegateType);

    StructBindingExtractionContext<T> extractionContext = new StructBindingExtractionContext<T>(publicSchema, implementedSchemas, delegateSchema);

    if (!(publicSchema instanceof RuleSourceSchema)) {
        validateTypeHierarchy(extractionContext, publicType);
        for (ModelType<?> internalViewType : internalViewTypes) {
            validateTypeHierarchy(extractionContext, internalViewType);
        }
    }

    Map<String, Multimap<PropertyAccessorType, StructMethodBinding>> propertyBindings = Maps.newTreeMap();
    Set<StructMethodBinding> methodBindings = collectMethodBindings(extractionContext, propertyBindings);
    ImmutableSortedMap<String, ManagedProperty<?>> managedProperties = collectManagedProperties(extractionContext, propertyBindings);

    if (extractionContext.problems.hasProblems()) {
        throw new InvalidManagedTypeException(extractionContext.problems.format());
    }

    return new DefaultStructBindings<T>(
        publicSchema, declaredViewSchemas, implementedSchemas, delegateSchema,
        managedProperties, methodBindings
    );
}