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@AlbertFX91
Last active August 15, 2017 10:37
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package com.albertfx.games.service;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import com.albertfx.games.domain.Game;
public interface GameService {
/**
* Save a game.
*
* @param game
* the entity to save
* @return the persisted entity
*/
Game save(Game game);
/**
* Get all the games.
*
* @param pageable
* the pagination information
* @return the list of entities
*/
Page<Game> findAll(Pageable pageable);
/**
* Get the "id" game.
*
* @param id
* the id of the entity
* @return the entity
*/
Game findOne(String id);
/**
* Delete the "id" game.
*
* @param id
* the id of the entity
*/
void delete(String id);
}
package com.albertfx.games.service.impl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import com.albertfx.games.domain.Game;
import com.albertfx.games.repository.GameRepository;
import com.albertfx.games.service.GameService;
@Service
public class GameServiceImpl implements GameService{
// This is our log tools to register the track of our app
private final Logger log = LoggerFactory.getLogger(GameService.class);
private final GameRepository gameRepository;
public GameServiceImpl(GameRepository gameRepository) {
this.gameRepository = gameRepository;
}
public Game save(Game game) {
log.debug("Request to save Acme : {}", game);
// We return our game object with the ID generated
return gameRepository.save(game);
}
/*
* Pageable
* ----------
* Pageable its a type which allow us to access to our data with a pagination.
* It takes a track of the page number, the page's size, sorting parameters, etc.
* https://docs.spring.io/spring-data/data-commons/docs/current/api/org/springframework/data/domain/Pageable.html
*
* Page
* ---------
* Its a sublist of a list of objects. One of its superinterface are Iterable<T>, so we can access to its data.
* It has a track of the total elements or the total pages.
* https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/domain/Page.html
*/
public Page<Game> findAll(Pageable pageable){
log.debug("Request to get all games");
return gameRepository.findAll(pageable);
}
public Game findOne(String id) {
log.debug("Request to get game : {}", id);
return gameRepository.findOne(id);
}
public void delete(String id) {
log.debug("Request to delete game : {}", id);
gameRepository.delete(id);
}
}
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