@Override
  public void put(K key, V value, Object ... args) {
    if (value != null) {
      instrument(metrics.numPuts, metrics.putNs, () -> kvStore.put(key, value));
    } else {
      delete(key);
    }
  }
Constructs an instance of {@link LocalTable}
@param tableId the table Id
@param kvStore the backing store
samza-kv/src/main/java/org/apache/samza/storage/kv/LocalTable.java