// MountainMgrBean.java
// Stateless Session Bean Facade
package dwarf;

import java.rmi.RemoteException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import java.util.*;

public class MountainMgrBean implements SessionBean {
    
  static MountainEntityHome getMountainHome(){
    try { 
      InitialContext jndiContext = new InitialContext();
      Object ref = jndiContext.lookup("dwarf/MountainEntity");
      MountainEntityHome home = (MountainEntityHome)ref;
      return home; 
    }catch (Exception e) {
      // hack
      throw new RuntimeException("Naming Failure: " + e.getMessage());
    }
  } 

  //--------------------------------------------------------------
  private static Mountain toMountainBean(MountainEntity mountain){
      DwarfEntity king = mountain.getKing();
      Mountain m = new Mountain();
      m.setMountainId(mountain.getMountainId().intValue());
      m.setMountainName(mountain.getMountainName());
      m.setLocation(mountain.getLocation());

      if(king != null){
        m.setKingId(king.getDwarfId().intValue());
        m.setKingName(king.getDwarfName());
      }

      return m;
  }
   
  //--------------------------------------------------------------
  public List GetAll() throws javax.ejb.FinderException {
    MountainEntityHome home = getMountainHome();
    java.util.Collection entityList = home.findAll();
    List ret = new LinkedList();

    for(Iterator i = entityList.iterator(); i.hasNext(); ){
      MountainEntity mountain = (MountainEntity)i.next();
      Mountain m = toMountainBean(mountain);
      ret.add(m);
    }

    return ret;
  }

  //--------------------------------------------------------------
  public Mountain Get(int mountain_id) throws javax.ejb.FinderException {
    MountainEntityHome home = getMountainHome();
    MountainEntity mountain = home.findByPrimaryKey(new Integer(mountain_id));

    if(mountain != null){
      return toMountainBean(mountain);
    }else{
      return null;
    }
  }

  //--------------------------------------------------------------
  public int Add(String mountainName,
                        String location,
                        int kingId) 
    throws javax.ejb.FinderException, javax.ejb.CreateException
  {
    DwarfEntityHome dHome = DwarfMgrBean.getDwarfHome();
    MountainEntityHome mHome = getMountainHome();
    DwarfEntity king = null;

    if(kingId != 0){
      king = dHome.findByPrimaryKey(new Integer(kingId));
    }

    MountainEntity theM = mHome.create(mountainName,location,king);
    // work-around
    theM.setKing(king);

    // return id later...
    return 0;
  }

  //--------------------------------------------------------------
  public void Update(int mountainId, String mountainName,
                            String location, int kingId)
    throws javax.ejb.FinderException
  {
    DwarfEntityHome dHome = DwarfMgrBean.getDwarfHome();
    MountainEntityHome mHome = MountainMgrBean.getMountainHome();
    DwarfEntity king = null;
   
    if(kingId != 0){
      king = dHome.findByPrimaryKey(new Integer(kingId));
    }

    MountainEntity theMountain = 
      mHome.findByPrimaryKey(new Integer(mountainId));
    theMountain.setMountainName(mountainName);
    theMountain.setLocation(location);
    theMountain.setKing(king);
  }

   public void ejbCreate() {}
   public void ejbPostCreate() {}
   public void ejbRemove() {}
   public void ejbActivate() {}
   public void ejbPassivate() {}
   public void setSessionContext(SessionContext sc) {}
}