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 pe.egcc.eureka.app.layer.dao.impl; import java.util.List; import java.util.Map; import org.springframework.stereotype.Repository; import pe.egcc.eureka.app.domain.Empleado; import pe.egcc.eureka.app.layer.dao.espec.BooksDao; /** * * @author AntOniO */ @Repository public class BooksDaoImpl extends AbstractDao implements BooksDao { @Override public List<Map<String, Object>> listarLibros() { String sql = "SELECT * from shop.books"; List<Map<String, Object>> lista = jdbcTemplate.queryForList(sql); return lista; } @Override public Empleado leerPorCodigo(String codigo) { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public List<Empleado> leerPorNombre(String nombre) { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public void crear(Empleado obj) { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public void modificar(Empleado obj) { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public void eliminar(String codigo) { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public List<Map<String, Object>> listarLibrosLiteratura() { String sql = "SELECT * from shop.books WHERE books.category_id=2"; List<Map<String, Object>> lista = jdbcTemplate.queryForList(sql); return lista; } @Override public List<Map<String, Object>> listarLibrosInformatica() { String sql = "SELECT * from shop.books WHERE books.category_id=1"; List<Map<String, Object>> lista = jdbcTemplate.queryForList(sql); return lista; } @Override public List<Map<String, Object>> listarArticulos() { String sql = "SELECT * from shop.books WHERE books.category_id=3"; List<Map<String, Object>> lista = jdbcTemplate.queryForList(sql); return lista; } }