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

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'''module for example topology: CustomGroupingTopology'''

import heronpy.api.api_constants as constants
from heronpy.api.topology import Topology
from heronpy.api.stream import Grouping

from examples.src.python.spout import MultiStreamSpout
from examples.src.python.bolt import CountBolt, StreamAggregateBolt

class MultiStream(Topology):
  spout = MultiStreamSpout.spec(par=2)
  count_bolt = CountBolt.spec(par=2,
                              inputs={spout: Grouping.fields('word')},
                              config={constants.TOPOLOGY_TICK_TUPLE_FREQ_SECS: 10})
  stream_aggregator = StreamAggregateBolt.spec(par=1,
                                               inputs={spout: Grouping.ALL,
                                                       spout['error']: Grouping.ALL},
                                               config={constants.TOPOLOGY_TICK_TUPLE_FREQ_SECS: 15})