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natansevero/Pessoa.java

Last active August 2, 2017 22:10
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Gist da questão 4 do Peer instruction - Entidades Persistentes e Persistência de Dados
Raw
Pessoa.java
package br.com.natansevero.jpa;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "pessoa")
public class Pessoa {
@Id
private int id;
@Column
private String nome;
@Column
private int idade;
public Pessoa() {
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getNome() {
return nome;
}
public void setNome(String nome) {
this.nome = nome;
}
public int getIdade() {
return idade;
}
public void setIdade(int idade) {
this.idade = idade;
}
}
Raw
PessoaDao.java
package br.com.natansevero.jpa;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PessoaDao {
protected EntityManager entityManager;
private PesoaDao() {
entityManager = getEntityManager();
}
private EntityManager getEntityManager() {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("JPACrud");
if (entityManager == null) {
entityManager = factory.createEntityManager();
}
return entityManager;
}
public void persist(Cliente cliente) {
try {
entityManager.getTransaction().begin();
entityManager.persist(cliente);
entityManager.getTransaction().commit();
} catch (Exception ex) {
ex.printStackTrace();
entityManager.getTransaction().rollback();
}
}
}
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