@Override
  public void init(Context context, AsyncReadWriteUpdateTable table) {
    Preconditions.checkNotNull(context, "null context");
    Preconditions.checkNotNull(table, "null table");
    this.table = table;
  }
Base class for all table read and write functions.
samza-api/src/main/java/org/apache/samza/table/remote/BaseTableFunction.java