Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package id.ac.ipb.ilkom.training.service.jpa; import id.ac.ipb.ilkom.training.model.Product; import id.ac.ipb.ilkom.training.repository.ProductRepository; import id.ac.ipb.ilkom.training.service.ProductService; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Page; import org.springframework.data.domain.PageRequest; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; /** * * @author ifnu.b.fatkhan */ @Service @Transactional(readOnly = true) public class ProductServiceJpa implements ProductService { @Autowired private ProductRepository productRepository; @Override public Product getProduct(Integer id) { return productRepository.findOne(id); } @Override public List<Product> getProducts(Integer indexStart, Integer numOfRows) { int page = indexStart / numOfRows; PageRequest pageRequest = new PageRequest(page, numOfRows); Page<Product> products = productRepository.findAll(pageRequest); return products.getContent(); } }