Exemplo n.º 1
0
 /*
  * (non-Javadoc)
  *
  * @see org.hamster.core.api.util.difference.walker.Walker#walkForAdded(java.util.Map, java.util.Collection)
  */
 @Override
 public Collection<T> walkForAdded(
     Map<K, T> sourceMap, Collection<T> targetColl, Map<String, Method> methods) {
   List<T> result = Lists.newArrayList();
   for (T target : targetColl) {
     K id = idInvoker.invoke(methods, target);
     if (id == null || !sourceMap.containsKey(id)) {
       result.add(target);
     }
   }
   return result;
 }
Exemplo n.º 2
0
 /*
  * (non-Javadoc)
  *
  * @see org.hamster.core.api.util.difference.walker.Walker#walkForRemoved(java.util.Map, java.util.Collection)
  */
 @Override
 public Map<K, T> walkForRemoved(
     Map<K, T> sourceMap, Collection<T> targetColl, Map<String, Method> methods) {
   Map<K, T> result = Maps.newHashMap();
   Set<K> keys = Sets.newHashSet();
   for (T target : targetColl) {
     K id = idInvoker.invoke(methods, target);
     keys.add(id);
   }
   for (Map.Entry<K, T> sourceEntry : sourceMap.entrySet()) {
     if (!keys.contains(sourceEntry.getKey())) {
       result.put(sourceEntry.getKey(), sourceEntry.getValue());
     }
   }
   return result;
 }