@Entity
@Table(name = "dugovi")
@NamedQueries( {@NamedQuery(name = "Dugovi.findById", query = "SELECT d FROM Dugovi d WHERE d.id = :id"), @NamedQuery(name = "Dugovi.findByAmount", query = "SELECT d FROM Dugovi d WHERE d.amount = :amount"), @NamedQuery(name = "Dugovi.findByName", query = "SELECT d FROM Dugovi d WHERE d.name = :name"), @NamedQuery(name = "Dugovi.findBySurname", query = "SELECT d FROM Dugovi d WHERE d.surname = :surname"), @NamedQuery(name = "Dugovi.findByTerm", query = "SELECT d FROM Dugovi d WHERE d.term = :term")})
public class Dugovi implements Serializable {

    @Id
    @Column(name = "id", nullable = false, insertable=true, updatable=true)
    private Integer id;

    @Column(name = "amount", insertable=true, updatable=true)
    private Double amount;

    @Column(name = "name", insertable=true, updatable=true)
    private String name;

    @Column(name = "surname", insertable=true, updatable=true)
    private String surname;

    @Column(name = "term", nullable=true, insertable=true, updatable=true)
    @Temporal(TemporalType.TIMESTAMP)
    private Date term;
   
    /** Creates a new instance of Dugovi */
    public Dugovi() {
    }

    public Dugovi(Integer id) {
        this.id = id;
    }

    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public Double getAmount() {
        return this.amount;
    }

    public void setAmount(Double amount) {
        this.amount = amount;
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getSurname() {
        return this.surname;
    }

    public void setSurname(String surname) {
        this.surname = surname;
    }

    public Date getTerm() {
        return this.term;
    }

    public void setTerm(Date term) {
        this.term = term;
    }

    public int hashCode() {
        int hash = 0;
        hash += (this.id != null ? this.id.hashCode() : 0);
        return hash;
    }

    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Dugovi)) {
            return false;
        }
        Dugovi other = (Dugovi)object;
        if (this.id != other.id && (this.id == null || !this.id.equals(other.id))) return false;
        return true;
    }

    public String toString() {
        return "src.Dugovi[id=" + id + "]";
    }
   
}

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
  <persistence-unit name="CurryPU" transaction-type="JTA">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <jta-data-source>debiti</jta-data-source>
    <properties>
        <property name="hibernate.show_sql" value="true" />
    <property name="hibernate.dialect"value="org.hibernate.dialect.PostgreSQLDialect"/>
    </properties>
  </persistence-unit>
</persistence>