<img src="/img/async/concurrent-burgers/concurrent-burgers-02.png" class="illustration">

O caixa diz alguma coisa para o cozinheiro na cozinha para que eles saibam que têm que preparar seus hambúrgueres (mesmo que ele esteja atualmente preparando os lanches dos outros clientes).

<img src="/img/async/concurrent-burgers/concurrent-burgers-03.png" class="illustration">

 *
 * <p>The {@code toString} method is forwarded to the delegate. Although this class does not
 * implement {@link Serializable}, a serializable subclass may be created since this class has a
 * parameter-less constructor.
 *
 * @author Mike Bostock
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingObject {

  /** Constructor for use by subclasses. */
  protected ForwardingObject() {}

  /**

 * amortized since some operations can trigger a hash table resize.
 *
 * <p>This implementation consumes significantly less memory than {@code java.util.LinkedHashSet} or
 * even {@code java.util.HashSet}, and places considerably less load on the garbage collector. Like
 * {@code java.util.LinkedHashSet}, it offers insertion-order iteration, with identical behavior.
 *

 * amortized since some operations can trigger a hash table resize.
 *
 * <p>This implementation consumes significantly less memory than {@code java.util.LinkedHashSet} or
 * even {@code java.util.HashSet}, and places considerably less load on the garbage collector. Like
 * {@code java.util.LinkedHashSet}, it offers insertion-order iteration, with identical behavior.
 *

constraints.Mod11Check.message = De Modulo 11 checksum van {value} is onjuist.
constraints.ModCheck.message = De {modType} checksum van {value} is onjuist.
constraints.NotBlank.message = {item} mag niet leeg zijn.
constraints.NotEmpty.message = {item} mag niet leeg zijn.
constraints.ParametersScriptAssert.message = De scriptuitdrukking "{script}" is niet waar.
constraints.Range.message = {item} moet tussen {min} en {max} liggen.

Los mismos modelos son compartidos entre requests, por lo que no es un modelo por request, o uno por usuario o algo similar.

Imaginemos que cargar el modelo puede **tomar bastante tiempo**, porque tiene que leer muchos **datos del disco**. Entonces no quieres hacerlo para cada request.

            assertTrue(ACE.GENERIC_ALL < ACE.GENERIC_EXECUTE, "GENERIC_ALL should be less than GENERIC_EXECUTE");
            assertTrue(ACE.GENERIC_EXECUTE < ACE.GENERIC_WRITE, "GENERIC_EXECUTE should be less than GENERIC_WRITE");
            // Note: GENERIC_READ (0x80000000) is negative, so it's less than positive values in signed comparison

{* ../../docs_src/dependencies/tutorial006_an_py39.py hl[11,16] *}

## Dependencias para un grupo de *path operations* { #dependencies-for-a-group-of-path-operations }

        {
            "detail": [
                {
                    "type": "less_than_equal",
                    "loc": ["query", "limit"],
                    "msg": "Input should be less than or equal to 100",
                    "input": "150",
                    "ctx": {"le": 100},
                },
                {
                    "type": "greater_than_equal",

Esta definição de *schema* inclui os paths da sua API, os parâmetros possíveis que eles usam, etc.

#### "*Schema*" de dados { #data-schema }

O termo "*schema*" também pode se referir à forma de alguns dados, como um conteúdo JSON.

Nesse caso, significaria os atributos JSON e os tipos de dados que eles possuem, etc.

#### OpenAPI e JSON Schema { #openapi-and-json-schema }