package bluej.pkgmgr.target;

import java.util.*;

import threadchecker.OnThread;
import threadchecker.Tag;




| A collection of targets.
|
| @author Andrew Patterson
|
@OnThread(Tag.Any)
public class TargetCollection implements Iterable<Target>{    
   

| all the targets in a package
|
protected HashMap<String,Target> targets = new HashMap<String,Target>();

   
   


| Obtain an iterator that can be used to iterate through the targets in the
| collection. The iterator becomes invalid if the collection is modified
| (including if a target is renamed).
|
public Iterator iterator()
   {
      return targets.values().iterator();     
      }

   
   


| Get a list of the targets currently in the collection.
|
public List toList()
   {        
      return new ArrayList<>(targets.values());     
      }

   
   public Target get(String identifierName)
   {
      return (Target) targets.get(identifierName);     
      }

   
   public Target remove(String identifierName)
   {
      return (Target) targets.remove(identifierName);     
      }

   
   public void add(String identifierName, Target target)
   {
      targets.put(identifierName, target);     
      }
    
   
   public String toString()
   {
      return targets.toString();     
      } 
   }