affaan-m/ECC

quarkus-patterns

Patrones de arquitectura Quarkus 3.x LTS con Camel para mensajería, diseño de API RESTful, servicios CDI, acceso a datos con Panache y procesamiento asíncrono.

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Source checked Jul 28, 2026·Refresh due Oct 26, 2026

Reorganized from the pinned upstream SKILL.md

Source-grounded documentation guide: quarkus-patterns

Patrones de arquitectura y API de Quarkus 3.x para servicios cloud-native y orientados a eventos con Apache Camel.

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Documentation workflow

Read quarkus-patterns through these 5 source sections

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01

Cuándo Activar

Construir APIs REST con JAX-RS o RESTEasy Reactive

SKILL.md · Cuándo Activar
Construir APIs REST con JAX-RS o RESTEasy ReactiveEstructurar capas resource → service → repositoryImplementar patrones orientados a eventos con Apache Camel y RabbitMQ
02

Capa de Servicio con Múltiples Dependencias

Patrones Clave: - @RequiredArgsConstructor para inyección por constructor mediante Lombok - @Slf4j para logging con Logback - @Transactional en métodos de servicio que escriben a través de Panache o repositorios - Validar entrada antes de persistencia o publicación de mensajes -…

SKILL.md · Capa de Servicio con Múltiples Dependencias
@RequiredArgsConstructor para inyección por constructor mediante Lombok@Slf4j para logging con Logback@Transactional en métodos de servicio que escriben a través de Panache o repositorios
04

Patrón de Servicio de Eventos

Review the “Patrón de Servicio de Eventos” section in the pinned source before continuing.

SKILL.md · Patrón de Servicio de Eventos
Review and apply the “Patrón de Servicio de Eventos” source section.

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Use quarkus-patterns for this documentation task: [task]. Inputs and constraints: [details]. Work through these pinned SKILL.md sections: “Cuándo Activar”, “Capa de Servicio con Múltiples Dependencias”, “Patrón de Contexto de Logging Personalizado (Logback)”, “Patrón de Servicio de Eventos”, “Publicación de Mensajes Camel (RabbitMQ)”. Cite the concrete requirements that shape each step, do not invent capabilities absent from the source, and verify the result against: [acceptance criteria].

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What does the quarkus-patterns source document cover?

Patrones de arquitectura y API de Quarkus 3.x para servicios cloud-native y orientados a eventos con Apache Camel.

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View original Skill.mdThis page is parsed directly from the repository SKILL.md without editorial rewriting. Collected: Jul 28, 2026 · about 2 min

Patrones de Desarrollo Quarkus

Patrones de arquitectura y API de Quarkus 3.x para servicios cloud-native y orientados a eventos con Apache Camel.

Cuándo Activar

  • Construir APIs REST con JAX-RS o RESTEasy Reactive
  • Estructurar capas resource → service → repository
  • Implementar patrones orientados a eventos con Apache Camel y RabbitMQ
  • Configurar Hibernate Panache, caché o streams reactivos
  • Agregar validación, mapeo de excepciones o paginación
  • Configurar perfiles para entornos dev/staging/producción (configuración YAML)
  • Logging personalizado con LogContext y Logback/Logstash encoder
  • Trabajar con CompletableFuture para operaciones asíncronas
  • Implementar procesamiento condicional de flujos
  • Trabajar con compilación nativa GraalVM

Capa de Servicio con Múltiples Dependencias

@Slf4j
@ApplicationScoped
@RequiredArgsConstructor
public class OrderProcessingService {

    private final OrderValidator orderValidator;
    private final EventService eventService;
    private final OrderRepository orderRepository;
    private final FulfillmentPublisher fulfillmentPublisher;
    private final AuditPublisher auditPublisher;

    @Transactional
    public OrderReceipt process(CreateOrderCommand command) {
        ValidationResult validation = orderValidator.validate(command);
        if (!validation.valid()) {
            eventService.createErrorEvent(command, "ORDER_REJECTED", validation.message());
            throw new WebApplicationException(validation.message(), Response.Status.BAD_REQUEST);
        }

        Order order = Order.from(command);
        orderRepository.persist(order);

        OrderReceipt receipt = OrderReceipt.from(order);
        fulfillmentPublisher.publishAsync(receipt);
        auditPublisher.publish("ORDER_ACCEPTED", receipt);
        eventService.createSuccessEvent(receipt, "ORDER_ACCEPTED");

        log.info("Orden procesada {}", order.id);
        return receipt;
    }
}

Patrones Clave:

  • @RequiredArgsConstructor para inyección por constructor mediante Lombok
  • @Slf4j para logging con Logback
  • @Transactional en métodos de servicio que escriben a través de Panache o repositorios
  • Validar entrada antes de persistencia o publicación de mensajes
  • Seguimiento de eventos para escenarios de éxito/error
  • Publicación asíncrona de mensajes Camel

Patrón de Contexto de Logging Personalizado (Logback)

@ApplicationScoped
public class ProcessingService {

    public void processDocument(Document doc) {
        LogContext logContext = CustomLog.getCurrentContext();
        try (SafeAutoCloseable ignored = CustomLog.startScope(logContext)) {
            logContext.put("documentId", doc.getId().toString());
            logContext.put("documentType", doc.getType());
            logContext.put("userId", SecurityContext.getUserId());

            log.info("Iniciando procesamiento de documento");

            processInternal(doc);

            log.info("Procesamiento de documento completado");
        } catch (Exception e) {
            log.error("Error en el procesamiento de documento", e);
            throw e;
        }
    }
}

Configuración de Logback (logback.xml):

<configuration>
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="net.logstash.logback.encoder.LogstashEncoder">
            <includeContext>true</includeContext>
            <includeMdc>true</includeMdc>
        </encoder>
    </appender>

    <logger name="com.example" level="INFO"/>
    <root level="WARN">
        <appender-ref ref="CONSOLE"/>
    </root>
</configuration>

Patrón de Servicio de Eventos

@Slf4j
@ApplicationScoped
@RequiredArgsConstructor
public class EventService {
    private final EventRepository eventRepository;
    private final ObjectMapper objectMapper;

    public void createSuccessEvent(Object payload, String eventType) {
        Objects.requireNonNull(payload, "El payload no puede ser null");
        Event event = new Event();
        event.setType(eventType);
        event.setStatus(EventStatus.SUCCESS);
        event.setPayload(serializePayload(payload));
        event.setTimestamp(Instant.now());

        eventRepository.persist(event);
        log.info("Evento de éxito creado: {}", eventType);
    }

    public void createErrorEvent(Object payload, String eventType, String errorMessage) {
        Objects.requireNonNull(payload, "El payload no puede ser null");
        if (errorMessage == null || errorMessage.isBlank()) {
            throw new IllegalArgumentException("El mensaje de error no puede estar en blanco");
        }
        Event event = new Event();
        event.setType(eventType);
        event.setStatus(EventStatus.ERROR);
        event.setErrorMessage(errorMessage);
        event.setPayload(serializePayload(payload));
        event.setTimestamp(Instant.now());

        eventRepository.persist(event);
        log.error("Evento de error creado: {} - {}", eventType, errorMessage);
    }

    private String serializePayload(Object payload) {
        try {
            return objectMapper.writeValueAsString(payload);
        } catch (JsonProcessingException e) {
            throw new IllegalStateException("Error al serializar el payload del evento", e);
        }
    }
}

Publicación de Mensajes Camel (RabbitMQ)

@Slf4j
@ApplicationScoped
@RequiredArgsConstructor
public class BusinessRulesPublisher {
    private final ProducerTemplate producerTemplate;

    public void publishSync(BusinessRulesPayload payload) {
        producerTemplate.sendBody(
            "direct:business-rules-publisher",
            payload
        );
    }
}

Configuración de Ruta Camel:

@ApplicationScoped
public class BusinessRulesRoute extends RouteBuilder {

    @ConfigProperty(name = "camel.rabbitmq.queue.business-rules")
    String businessRulesQueue;

    @ConfigProperty(name = "rabbitmq.host")
    String rabbitHost;

    @ConfigProperty(name = "rabbitmq.port")
    Integer rabbitPort;

    @Override
    public void configure() {
        from("direct:business-rules-publisher")
            .routeId("business-rules-publisher")
            .log("Publicando mensaje en RabbitMQ: ${body}")
            .marshal().json(JsonLibrary.Jackson)
            .toF("spring-rabbitmq:%s?hostname=%s&portNumber=%d",
                businessRulesQueue, rabbitHost, rabbitPort);
    }
}

Rutas Camel Direct (En Memoria)

@ApplicationScoped
public class DocumentProcessingRoute extends RouteBuilder {

    @Override
    public void configure() {
        onException(ValidationException.class)
            .handled(true)
            .to("direct:validation-error-handler")
            .log("Error de validación: ${exception.message}");

        from("direct:process-document")
            .routeId("document-processing")
            .log("Procesando documento: ${header.documentId}")
            .bean(DocumentValidator.class, "validate")
            .bean(DocumentTransformer.class, "transform")
            .choice()
                .when(header("documentType").isEqualTo("INVOICE"))
                    .to("direct:process-invoice")
                .when(header("documentType").isEqualTo("CREDIT_NOTE"))
                    .to("direct:process-credit-note")
                .otherwise()
                    .to("direct:process-generic")
            .end();
    }
}

Procesamiento de Archivos Camel

@ApplicationScoped
public class FileMonitoringRoute extends RouteBuilder {

    @ConfigProperty(name = "file.input.directory")
    String inputDirectory;

    @ConfigProperty(name = "file.processed.directory")
    String processedDirectory;

    @ConfigProperty(name = "file.error.directory")
    String errorDirectory;

    @Override
    public void configure() {
        from("file:" + inputDirectory + "?move=" + processedDirectory +
             "&moveFailed=" + errorDirectory + "&delay=5000")
            .routeId("file-monitor")
            .log("Procesando archivo: ${header.CamelFileName}")
            .to("direct:process-file");
    }
}

Estructura de API REST

@Path("/api/documents")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
@RequiredArgsConstructor
public class DocumentResource {
  private final DocumentService documentService;

  @GET
  public Response list(
      @QueryParam("page") @DefaultValue("0") int page,
      @QueryParam("size") @DefaultValue("20") int size) {
    List<Document> documents = documentService.list(page, size);
    return Response.ok(documents).build();
  }

  @POST
  public Response create(@Valid CreateDocumentRequest request, @Context UriInfo uriInfo) {
    Document document = documentService.create(request);
    URI location = uriInfo.getAbsolutePathBuilder()
        .path(String.valueOf(document.id))
        .build();
    return Response.created(location).entity(DocumentResponse.from(document)).build();
  }

  @GET
  @Path("/{id}")
  public Response getById(@PathParam("id") Long id) {
    return documentService.findById(id)
        .map(DocumentResponse::from)
        .map(Response::ok)
        .orElse(Response.status(Response.Status.NOT_FOUND))
        .build();
  }
}

Patrón de Repositorio (Panache Repository)

@ApplicationScoped
public class DocumentRepository implements PanacheRepository<Document> {

  public List<Document> findByStatus(DocumentStatus status, int page, int size) {
    return find("status = ?1 order by createdAt desc", status)
        .page(page, size)
        .list();
  }

  public Optional<Document> findByReferenceNumber(String referenceNumber) {
    return find("referenceNumber", referenceNumber).firstResultOptional();
  }
}

Capa de Servicio con Transacciones

@ApplicationScoped
@RequiredArgsConstructor
public class DocumentService {
  private final DocumentRepository repo;
  private final EventService eventService;

  @Transactional
  public Document create(CreateDocumentRequest request) {
    Document document = new Document();
    document.setReferenceNumber(request.referenceNumber());
    document.setDescription(request.description());
    document.setStatus(DocumentStatus.PENDING);
    document.setCreatedAt(Instant.now());

    repo.persist(document);

    eventService.createSuccessEvent(document, "DOCUMENT_CREATED");

    return document;
  }
}

DTOs y Validación

public record CreateDocumentRequest(
    @NotBlank @Size(max = 200) String referenceNumber,
    @NotBlank @Size(max = 2000) String description,
    @NotNull @FutureOrPresent Instant validUntil,
    @NotEmpty List<@NotBlank String> categories) {}

public record DocumentResponse(Long id, String referenceNumber, DocumentStatus status) {
  public static DocumentResponse from(Document document) {
    return new DocumentResponse(document.getId(), document.getReferenceNumber(),
        document.getStatus());
  }
}

Mapeo de Excepciones

@Provider
public class ValidationExceptionMapper implements ExceptionMapper<ConstraintViolationException> {
  @Override
  public Response toResponse(ConstraintViolationException exception) {
    String message = exception.getConstraintViolations().stream()
        .map(cv -> cv.getPropertyPath() + ": " + cv.getMessage())
        .collect(Collectors.joining(", "));

    return Response.status(Response.Status.BAD_REQUEST)
        .entity(Map.of("error", "validation_error", "message", message))
        .build();
  }
}

Operaciones Asíncronas con CompletableFuture

@Slf4j
@ApplicationScoped
@RequiredArgsConstructor
public class FileStorageService {
    private final S3Client s3Client;
    private final ExecutorService executorService;

    public CompletableFuture<StoredDocumentInfo> uploadOriginalFile(
            InputStream inputStream,
            long size,
            LogContext logContext,
            InvoiceFormat format) {

        return CompletableFuture.supplyAsync(() -> {
            try (SafeAutoCloseable ignored = CustomLog.startScope(logContext)) {
                String path = generateStoragePath(format);

                PutObjectRequest request = PutObjectRequest.builder()
                    .bucket(bucketName)
                    .key(path)
                    .contentLength(size)
                    .build();

                s3Client.putObject(request, RequestBody.fromInputStream(inputStream, size));

                return new StoredDocumentInfo(path, size, Instant.now());
            } catch (Exception e) {
                log.error("Error al subir archivo a S3", e);
                throw new StorageException("Subida fallida", e);
            }
        }, executorService);
    }
}

Caché

@ApplicationScoped
@RequiredArgsConstructor
public class DocumentCacheService {
  private final DocumentRepository repo;

  @CacheResult(cacheName = "document-cache")
  public Optional<Document> getById(@CacheKey Long id) {
    return repo.findByIdOptional(id);
  }

  @CacheInvalidate(cacheName = "document-cache")
  public void evict(@CacheKey Long id) {}
}

Configuración como YAML

# application.yml
"%dev":
  quarkus:
    datasource:
      jdbc:
        url: jdbc:postgresql://localhost:5432/dev_db
      username: dev_user
      password: ${DB_PASSWORD}

"%test":
  quarkus:
    datasource:
      jdbc:
        url: jdbc:h2:mem:test
    hibernate-orm:
      database:
        generation: drop-and-create

"%prod":
  quarkus:
    datasource:
      jdbc:
        url: ${DATABASE_URL}
      username: ${DB_USER}
      password: ${DB_PASSWORD}

Health Checks

@Readiness
@ApplicationScoped
@RequiredArgsConstructor
public class DatabaseHealthCheck implements HealthCheck {
  private final AgroalDataSource dataSource;

  @Override
  public HealthCheckResponse call() {
    try (Connection conn = dataSource.getConnection()) {
      boolean valid = conn.isValid(2);
      return HealthCheckResponse.named("Database connection")
          .status(valid)
          .build();
    } catch (SQLException e) {
      return HealthCheckResponse.down("Database connection");
    }
  }
}

Dependencias (Maven)

<properties>
    <quarkus.platform.version>3.27.0</quarkus.platform.version>
    <lombok.version>1.18.42</lombok.version>
    <assertj-core.version>3.24.2</assertj-core.version>
    <jacoco-maven-plugin.version>0.8.13</jacoco-maven-plugin.version>
    <maven.compiler.release>17</maven.compiler.release>
</properties>

Buenas Prácticas

Arquitectura

  • Usar @RequiredArgsConstructor con Lombok para inyección por constructor
  • Mantener la capa de servicio delgada; delegar lógica compleja a clases especializadas
  • Usar rutas Camel para enrutamiento de mensajes y patrones de integración
  • Preferir el patrón Panache Repository para acceso a datos

Orientado a Eventos

  • Siempre rastrear operaciones con EventService (eventos de éxito/error)
  • Usar endpoints direct: de Camel para enrutamiento en memoria
  • Usar el componente spring-rabbitmq para integración con RabbitMQ

Logging

  • Usar Logback con Logstash encoder para logging estructurado
  • Propagar LogContext a través de llamadas de servicio con SafeAutoCloseable
  • Usar @Slf4j en lugar de instanciación manual del logger

Configuración

  • Usar configuración YAML (quarkus-config-yaml)
  • Configuración consciente de perfil para entornos dev/test/prod
  • Externalizar configuración sensible a variables de entorno
Source repo
affaan-m/ECC
Skill path
docs/es/skills/quarkus-patterns/SKILL.md
Commit SHA
4e973d3eaf92
Repository license
MIT
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