package ejava.examples.orm.rel;
   
   import java.io.Serializable;
   
   import javax.persistence.Column;
   
   public class MediaCopyPK implements Serializable {
       private static final long serialVersionUID = 1L;
       @Column(name="MEDIACOPY_MID")
      private long mediaId;
      @Column(name="COPY_NO")    
      private int copyNo;
      
      public MediaCopyPK() {}
      public MediaCopyPK(long mediaId, int copyNo) {
          this.mediaId = mediaId;
          this.copyNo = copyNo;
      }
      public int getCopyNo() { return copyNo; }
      public void setCopyNo(int copyNo) {
          this.copyNo = copyNo;
      }
      
      public long getMediaId() { return mediaId; }
      public void setMediaId(long mediaId) {
          this.mediaId = mediaId;
      }
      
      public int hashCode() {
          return (int)mediaId + copyNo;
      }    
      public boolean equals(Object obj) {
          try {
              if (obj == this) return true;
              return ((MediaCopyPK)obj).mediaId == mediaId &&
                     ((MediaCopyPK)obj).copyNo == copyNo;
          }
          catch (Throwable ex) {
              return false;
          }
      }
  }