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package negocio;

import com.tecgraf.dao.IEntityDAOJPA;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;

/**
 *
 * @author s092
 */
@Entity
@Table(name = "disciplina")
@NamedQueries({@NamedQuery(name = "Disciplina.findById", query = "SELECT d FROM Disciplina d WHERE d.id = :id"),
               @NamedQuery(name = "Disciplina.findByCodigo", query = "SELECT d FROM Disciplina d WHERE d.codigo = :codigo"),
               @NamedQuery(name = "Disciplina.findByNome", query = "SELECT d FROM Disciplina d WHERE d.nome = :nome")
              })
public class Disciplina implements IEntityDAOJPA<Integer>, Serializable {
  private static final long serialVersionUID = 1L;
  @Id
  @Column(name = "id", nullable = false)
//  @GeneratedValue
  
//  @SequenceGenerator(name="hibernate_sequence", sequenceName="disciplina_id_seq")
//  @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="hibernate_sequence")  
  
//  @SequenceGenerator(name="genCommentId", sequenceName="disciplina_id_seq")
//  @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="genCommentId")

  //  @GeneratedValue(generator="disciplina_id_seq", strategy=GenerationType.SEQUENCE)                             
  private Integer id;
  @Column(name = "codigo")
  private String codigo;
  @Column(name = "nome")
  private String nome;
  @Column(name = "creditos")
  private int creditos;
  @ManyToMany(mappedBy = "disciplinaCollection")
  private Collection<Aluno> alunoCollection;

  public Disciplina() {
    alunoCollection = new ArrayList<Aluno>();
  }

  public Disciplina( Disciplina d ) {
    id = d.id;
    codigo = new String(d.codigo.toCharArray());
    nome = new String(d.nome.toCharArray());
    alunoCollection = new ArrayList<Aluno>(); 
    if( d.alunoCollection != null ) {
      alunoCollection.addAll(d.alunoCollection);
    }
  }

  public Integer getId() {
    return id;
  }

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

  public String getCodigo() {
    return codigo;
  }

  public void setCodigo( String codigo ) {
    this.codigo = codigo;
  }

  public String getNome() {
    return nome;
  }

  public void setNome( String nome ) {
    this.nome = nome;
  }

  public int getCreditos() {
    return creditos;
  }

  public void setCreditos( int creditos ) {
    this.creditos = creditos;
  }
  
  public Collection<Aluno> getAlunoCollection() {
    return alunoCollection;
  }

  public void setAlunoCollection( Collection<Aluno> alunoCollection ) {
    this.alunoCollection = alunoCollection;
  }

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

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

  @Override
  public String toString() {
    return "negocio.Disciplina[id=" + id + " codigo=" + codigo + 
           " nome=" + nome + 
           " creditos=" + creditos + "]";
  }

}