c-wolfe / jdbi-starter

jdbi starter project

jdbi starter

JDBI starter project.

quick preview

This project contains a Pet API with:

• GET/api/pets route that list all pets
• GET/api/pets/:id route that list a single pet by ID
• POST/api/pets route that insert a new pet
• PUT/api/pets route that updates an existing pet
• DELETE/api/pets/id route that delete an existing pet by ID

App.java:

  {
    use(new Jackson());

    use(new Jdbc());

    use(new Jdbi3()
        /** Install SqlObjectPlugin */
        .doWith(jdbi -> {
          jdbi.installPlugin(new SqlObjectPlugin());
        })
        /** Creates a transaction per request and attach PetRepository */
        .transactionPerRequest(
            new TransactionalRequest()
                .attach(PetRepository.class)
        )
    );

    /** Create table + pets: */
    onStart(() -> {
      Jdbi jdbi = require(Jdbi.class);
      jdbi.useHandle(h -> {
        h.createUpdate("create table pets (id bigint auto_increment, name varchar(255))")
            .execute();

        PetRepository repo = h.attach(PetRepository.class);
        repo.insert(new Pet(1L, "Lala"));
        repo.insert(new Pet(2L, "Mandy"));
        repo.insert(new Pet(3L, "Sasha"));
      });
    });

    /**
     *
     * Everything about your Pets.
     */
    path("/api/pets", () -> {
      /**
       *
       * List pets ordered by id.
       *
       * @param start Start offset, useful for paging. Default is <code>0</code>.
       * @param max Max page size, useful for paging. Default is <code>50</code>.
       * @return Pets ordered by name.
       */
      get(req -> {
        PetRepository db = require(PetRepository.class);

        int start = req.param("start").intValue(0);
        int max = req.param("max").intValue(20);

        return db.list(start, max);
      });

      /**
       *
       * Find pet by ID
       *
       * @param id Pet ID.
       * @return Returns <code>200</code> with a single pet or <code>404</code>
       */
      get("/:id", req -> {
        PetRepository db = require(PetRepository.class);

        long id = req.param("id").longValue();

        Pet pet = db.findById(id);
        if (pet == null) {
          throw new Err(Status.NOT_FOUND);
        }
        return pet;
      });

      /**
       *
       * Add a new pet to the store.
       *
       * @param body Pet object that needs to be added to the store.
       * @return Returns a saved pet.
       */
      post(req -> {
        PetRepository db = require(PetRepository.class);

        Pet pet = req.body(Pet.class);

        long id = db.insert(pet);
        return new Pet(id, pet.getName());
      });

      /**
       *
       * Update an existing pet.
       *
       * @param body Pet object that needs to be updated.
       * @return Returns a saved pet.
       */
      put(req -> {
        PetRepository db = require(PetRepository.class);

        Pet pet = req.body(Pet.class);
        if (!db.update(pet)) {
          throw new Err(Status.NOT_FOUND);
        }
        return pet;
      });

      /**
       *
       * Deletes a pet by ID.
       *
       * @param id Pet ID.
       * @return A <code>204</code>
       */
      delete("/:id", req -> {
        PetRepository db = require(PetRepository.class);

        long id = req.param("id").longValue();

        if (!db.delete(id)) {
          throw new Err(Status.NOT_FOUND);
        }
        return Results.noContent();
      });
    });
  }

run

mvn jooby:run

help

• Read the jdbi documentation
• Join the channel
• Join the group