package myorg.relex.collection;
   
   import java.util.HashMap;
   import java.util.Map;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example of a parent that uses a Map to reference child members.
   */
  @Entity
  @Table(name="RELATIONEX_LINEUP")
  public class Lineup {
  	@Id @GeneratedValue
  	private int id;
  	
  	@OneToMany
  	@MapKey(name="position")
  	@JoinColumn(name="LINEUP_ID")
  	private Map<String, Position> positions;
  	
  	@Column(length=10)
  	private String team;
  
  	public int getId() { return id; }
  
  	public Map<String, Position> getPositions() {
  		if (positions==null) { positions = new HashMap<String, Position>(); }
  		return positions; 
  	}
  	public Lineup addPosition(Position position) {
  		if (position==null) { return this; }
  		getPositions().put(position.getPosition(), position);
  		return this;
  	}
  
  	public String getTeam() { return team; }
  	public void setTeam(String team) {
  		this.team = team;
  	}
  }