package ejava.examples.orm.core.annotated;
   
   import javax.persistence.*; //brings in JPA Annotations
   
   /**
    * This class provides the basic annotations required to make a class usable 
    * by Java Persistence without any further mapping. They are 
    * @javax.persistence.Entity to denote the class and @javax.persistence.Id
    * to denote the primary key property. See the mapped Bike example of how this 
   * can be done through a deployment descriptor instead of annotations. 
   */
  @Entity  //tells ORM that this class can be mapped 
  @Table(uniqueConstraints=@UniqueConstraint(columnNames={"make","model"}))
  public class Bike {
      @Id   //tells ORM that this property provides pk simple value
      private long id;
      private String make;
      private String model;
      private int size;
      
      public Bike() {} //required non-private default ctor
      public Bike(long id) { this.id = id; }
  
      public long getId() { return id; }
  
      public String getMake() { return make; }
      public void setMake(String make) {
          this.make = make;
      }
      
      public String getModel() { return model; }
      public void setModel(String model) {
          this.model = model;
      }
      
      public int getSize() { return size; }
      public void setSize(int size) {
          this.size = size;
      }
      
  	@Override
  	public String toString() {
  		StringBuilder builder = new StringBuilder();
  		builder.append(super.toString())
  		       .append(", id=").append(id)
  		       .append(", make=").append(make)
  			   .append(", model=").append(model)
  			   .append(", size=").append(size).append("in");
  		return builder.toString();
  	}    
  }