Rasimsen at 19:57, 3 June 2018

2018-06-03T19:57:12Z

Rasimsen: Created page with " ==ORM - Object Relational Mapping== ==Spring Data JPA=="

2018-06-03T18:46:19Z

New page

==[[ORM - Object Relational Mapping]]==
==[[Spring Data JPA]]==

← Older revision		Revision as of 19:57, 3 June 2018
Line 2:		Line 2:
	==[[ORM - Object Relational Mapping]]==		==[[ORM - Object Relational Mapping]]==
	==[[Spring Data JPA]]==		==[[Spring Data JPA]]==
		+
		+
		+	==Examples==
		+
		+
		+	===Making CRUD Operation with Repository===
		+
		+	'''BrandRepository interface'''
		+
		+	<syntaxhighlight lang="java">
		+	package com.oasissofttech.springboot.brand;
		+
		+	import org.springframework.data.repository.CrudRepository;
		+
		+	public interface BrandRepository extends CrudRepository<Brand, Integer> {
		+
		+	}
		+	</syntaxhighlight>
		+
		+
		+
		+	'''BrandService Class'''
		+	<syntaxhighlight lang="java">
		+	package com.oasissofttech.springboot.brand;
		+
		+	import java.util.ArrayList;
		+	import java.util.Arrays;
		+	import java.util.List;
		+	import java.util.Optional;
		+
		+	import org.springframework.beans.factory.annotation.Autowired;
		+	import org.springframework.stereotype.Service;
		+
		+	@Service
		+	public class BrandService {
		+	@Autowired
		+	private BrandRepository brandRepository;
		+
		+	public List<Brand> getAllBrands(){
		+	List<Brand> brands = new ArrayList<>();
		+	brandRepository.findAll()
		+	.forEach(brands::add);
		+
		+	return brands;
		+	}
		+
		+
		+	public Optional<Brand> getBrand(int id) {
		+	return brandRepository.findById(id);
		+	}
		+
		+
		+	public void addBrand(Brand brand) {
		+	brandRepository.save(brand);
		+	}
		+
		+
		+	public void updateBrand(Brand brand, int id) {
		+	brandRepository.save(brand);
		+	}
		+
		+
		+	public void deleteBrand(int id) {
		+	brandRepository.deleteById(id);
		+	}
		+
		+	}
		+	</syntaxhighlight>