@Override
  public void putAll(List<Entry<K, V>> entries) {
    for (Entry<K, V> entry : entries) {
      put(entry.getKey(), entry.getValue());
    }
  }
An in-memory store that supports range queries.

@param <K> the type of keys in the store
@param <V> the type of values in the store
samza-core/src/test/java/org/apache/samza/operators/impl/store/TestInMemoryStore.java