package org.lsst.ccs.localdb.statusdb.model;
   
   import java.io.Serializable;
   import java.util.Date;
   
   import javax.persistence.Column;
   import javax.persistence.Embeddable;
   import org.lsst.ccs.utilities.logging.Logger;
   
  // because time in MySQL is stored with one second accuracy
  
  // currently implemented as long in millis : could be removed.
  
  // if implemented as data + millis fractional beware of order by  desc that orders asc on first and desc on second
  
  
  @Embeddable
  public class Timestamp implements Serializable, Comparable<Timestamp> {
  	private static final long serialVersionUID = 5388711583391014070L;
  
  	public Timestamp() {
  		millis = System.currentTimeMillis();
  	}
  
  	public Timestamp(Date d) {
  		millis = d.getTime();
  	}
  
  	public Timestamp(long millis) {
  		this.millis = millis;
  	}
  
  	public Date getDate() {
  		return new Date(millis);
  	}
  
  	
  	public void setDate(java.util.Date date) {
  		this.millis = date.getTime();
  	}
  	
  	public long getMillis() {
  		return millis;
  	}
  	
  	public void setMillis(long millis) {
  		this.millis = millis;
  	}
  
  	@Column(name = "tstampmills")
  	protected long millis;
  
  	public int compareTo(Timestamp o) {
  		long d = millis - o.millis;
  		if (d<0) return -1;
  		if (d>0) return 1;
  		return 0;
  	};
  
  	static Logger log = Logger.getLogger("org.lsst.ccs.localdb");
  
  }