Matricula.java

package wifi.model.data;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name="matricula")
@IdClass(MatriculaId.class)
public class Matricula {
	
	@Id
	@Column(name="id_curso", insertable=false, updatable=false)
	private Integer cursoId;
	
	@Id
	@Column(name="id_aluno")
	private Integer alunoId;
	
	@ManyToOne(fetch=FetchType.LAZY)
	@JoinColumn(name="id_curso")
	private Curso curso;
	
	public Matricula() {}

	public Integer getCursoId() {
		return cursoId;
	}

	public void setCursoId(Integer cursoId) {
		this.cursoId = cursoId;
	}

	public Integer getAlunoId() {
		return alunoId;
	}

	public void setAlunoId(Integer alunoId) {
		this.alunoId = alunoId;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((alunoId == null) ? 0 : alunoId.hashCode());
		result = prime * result + ((curso == null) ? 0 : curso.hashCode());
		result = prime * result + ((cursoId == null) ? 0 : cursoId.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Matricula other = (Matricula) obj;
		if (alunoId == null) {
			if (other.alunoId != null)
				return false;
		} else if (!alunoId.equals(other.alunoId))
			return false;
		if (curso == null) {
			if (other.curso != null)
				return false;
		} else if (!curso.equals(other.curso))
			return false;
		if (cursoId == null) {
			if (other.cursoId != null)
				return false;
		} else if (!cursoId.equals(other.cursoId))
			return false;
		return true;
	}

	@Override
	public String toString() {
		return "Matricula [cursoId=" + cursoId + ", alunoId=" + alunoId
				+ ", curso=" + curso.getNome() + "]";
	}

}