public class ListTable extends AbstractTable implements Function {
	//Data
	private java.util.LinkedList list;

	//Constructors
	public ListTable() { list = new java.util.LinkedList(); }

	//Access method
	public java.util.LinkedList getList() { return list; }

	//Abstract methods implementation
	public Object get(Object key) {
		java.util.Iterator it = list.iterator();
		while(it.hasNext()) {
		     Entry r = (Entry)(it.next());
		     if(key.equals(r.getKey())) return r.getValue();
		}
		return null;
	}
	
	public Object put(Object key,Object value) {
		Object result = null;
		java.util.Iterator it = list.iterator();
		while(it.hasNext()) {
		     Entry r = (Entry)(it.next());
		     if(key.equals(r.getKey())) {
		     	result = r.getValue();
		     	r.setValue(value);
		     }
		}
		
		if(result == null) {
			Entry m = new Entry(key);
			m.setValue(value);
			list.addFirst(m);
		}
			
		return result;
	}
	
	public Object remove(Object key) {
		Object value = get(key);
		if(value != null) {
			Entry m = new Entry(key);
			m.setValue(value);				
			list.remove(m);
		}
		return value;
	}
	
	public java.util.Iterator keys() {
		return new TableKeysIterator(list.iterator());
	}
	
	public java.util.Iterator values() {
		return new TableValuesIterator(list.iterator());
	}
	
	//Function methods - inherited from class AbstractTable
}