package ejava.projects.edmv.bo;
   
   import java.io.Serializable;
   import java.util.ArrayList;
   import java.util.List;
   
   import javax.persistence.*;
   
   /**
   * This class provides a sparse _example_ implementation of a vehicle
   * entity that will get populated from the ingested data from the parser.
   * 
   */
  @Entity(name="VehicleRegistration")
  @Table(name="EDMV_VREG")
  @SuppressWarnings("serial")
  public class VehicleRegistration implements Serializable {
      @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
      private long id;
      
      @Column(length=20)
      private String vin;
  
      @ManyToMany()
      @JoinTable(name="EDMV_VREG_OWNER_LINK",
              joinColumns={@JoinColumn(name="VEHICLE_ID")},
              inverseJoinColumns={@JoinColumn(name="OWNER_ID")}
      )
      private List<Person> owners = new ArrayList<Person>();
     
      //jpa requires a no-arg ctor
      public VehicleRegistration() {}
      public VehicleRegistration(long id) {
          this.id = id;
      }
     
      public long getId() {
          return id;
      }
      //hide setter to implement read-only functionality
      @SuppressWarnings("unused")
      private void setId(long id) {
          this.id = id;
      }
      
      public String getVin() {
          return vin;
      }
      public void setVin(String vin) {
          this.vin = vin;
      }
      
      public List<Person> getOwners() {
          return owners;
      }
      public void setOwners(List<Person> owners) {
          this.owners = owners;
      }
     
      public String toString() {
          StringBuilder text = new StringBuilder();
          
          text.append("id=" + id);
          text.append(", vin=" + vin);
          text.append(", owners={");
          for (Person p : owners) {
              text.append(p + ",");    
          }
          text.append("}");
          
          return text.toString();
      }
  }