InheritedThreadScope.java

public class InheritedThreadScope implements Scope {

    private static final Logger logger = LoggerFactory.getLogger(InheritedThreadScope.class);

    private final ThreadLocal<Map<String, Object>> threadScope =
            new InheritableThreadLocal() {
                @Override
                protected Map<String, Object> initialValue() {
                    return new HashMap<>();
                }
            };


    public Object get(String name, ObjectFactory<?> objectFactory) {
        Map<String, Object> scope = this.threadScope.get();
        Object object = scope.get(name);
        if (object == null) {
            object = objectFactory.getObject();
            scope.put(name, object);
        }
        return object;
    }

    public Object remove(String name) {
        Map<String, Object> scope = this.threadScope.get();
        return scope.remove(name);
    }

    public void registerDestructionCallback(String name, Runnable callback) {
        logger.warn("InheritedThreadScope does not support destruction callbacks. " +
                "Consider using RequestScope in a web environment.");
    }