#!/usr/bin/env python3
# -*- encoding: utf-8 -*-

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#  to you under the Apache License, Version 2.0 (the
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#
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# pylint: disable=missing-docstring

from heronpy.api.stream import Grouping

from integration_test.src.python.integration_test.core import TestTopologyBuilder
from integration_test.src.python.integration_test.common.bolt import DoubleTuplesBolt
from integration_test.src.python.integration_test.common.spout import ABSpout

def bolt_double_emit_tuples_builder(topology_name, http_server_url):
  builder = TestTopologyBuilder(topology_name, http_server_url)
  ab_spout = builder.add_spout("ab-spout", ABSpout, 1)

  builder.add_bolt("double-tuples-bolt", DoubleTuplesBolt,
                   inputs={ab_spout: Grouping.SHUFFLE},
                   par=1, optional_outputs=['word'])

  return builder.create_topology()