Mapeamento de chave composta [RESOLVIDO]

<hibernate-mapping>

   <class name="Veiculo">

       <id name="idVeiculo">
	   <generator class="increment"/>	
       </id>

       <property name="placa"/>
       <property name="chassi"/>

   </class>

</hibernate-mapping>



<hibernate-mapping>

   <class name="Leilao">

      <id>
         <generator class="assigned"/>
      </id>

      <property name="data"/>

   </class>

</hibernate-mapping>



<hibernate-mapping>

    <class name="LeilaoVeiculo">

        <property name="valor"/>
        <property name="comitente"/>

        <many-to-one name="idVeiculo" class="Veiculo" lazy="false"/>
        <many-to-one name="idLeilao" class="Leilao" lazy="false"/> 

    </class>
  

</hibernate-mapping>

@Entity
@Table(name="tblVeiculo")
public class Veiculo {
	
	@Id
	@GeneratedValue
	@Column(name="ID_VEICULO")
	private Integer id;
	
	@Column(name="CD_PLACA")
	private String placa;
	
	@OneToMany(cascade = CascadeType.ALL, mappedBy="veiculo")
	@Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
	private List<LeilaoVeiculo> leilaoVeiculo;
	
}

@Entity
@Table(name="tblLeilao")
public class Leilao {

	
	@Id
	@GeneratedValue
	@Column(name="ID_LEILAO")
	private Integer id;
	
	
	@Column(name="DS_DATA_LEILAO")
	private String dataLeilao;
	
	
	@OneToMany(mappedBy="leilao", cascade= CascadeType.ALL)
	@Cascade(value = org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
	@Fetch(FetchMode.SUBSELECT)
	private List<LeilaoVeiculo> leilaoVeiculo;
}

@Entity
@org.hibernate.annotations.Entity(mutable=false)
@Table(name="tblLeilaoVeiculo")
public class LeilaoVeiculo {

	@Embeddable
	public static class Id{
		
		@Column(name="ID_VEICULO")
		private Integer veiculoId;
		
		@Column(name="ID_LEILAO")
		private Integer leilaoId;
		
		@Override
		public boolean equals(Object arg0) {
			
			if(arg0 instanceof Id) {
				Id that = (Id) arg0;
				return this.veiculoId.equals(that.veiculoId) && this.leilaoId.equals(that.leilaoId);
			}
			return false;
		}
		
		@Override
		public int hashCode() {
			// TODO Auto-generated method stub
			return veiculoId.hashCode() + leilaoId.hashCode();
		}
	}
	
	@EmbeddedId
	private Id id;
	
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="ID_LEILAO", insertable = false, updatable = false)
	@ForeignKey(name="FK_LEILAOVEICULO_LEILAO_ID")
	private Leilao leilao;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="ID_VEICULO", insertable = false, updatable = false)
	@ForeignKey(name="FK_LEILAOVEICULO_VEICULO_ID")
	private Veiculo veiculo;

	@Column(name="DS_NOME")
	private String nome;
	
}