Hashmap2List.java

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package edu.tum.cs.ias.knowrob.util.datastructures;

import java.util.HashMap;
import java.util.Vector;

public class Hashmap2List<KeyT, ValueT> {
        protected HashMap<KeyT, Vector<ValueT>> map = new HashMap<KeyT, Vector<ValueT>>();
        
        public void put(KeyT key, ValueT value) {
                Vector<ValueT> v;
                if(!map.containsKey(key)) { 
                        v = new Vector<ValueT>();
                        map.put(key, v);
                }
                else
                        v = map.get(key);
                v.add(value);
        }
        
        public Vector<ValueT> get(KeyT key) {
                return map.get(key);
        }
}