integration_test/src/python/integration_test/common/spout/ab_spout.py

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

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#
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'''ABSpout for integration test'''

from heronpy.api.spout.spout import Spout

#pylint: disable=unused-argument
class ABSpout(Spout):
  outputs = ['word']

  def initialize(self, config, context):
    self.to_send = ["A", "B"]
    self.emitted = 0

  def next_tuple(self):
    word = self.to_send[self.emitted % len(self.to_send)]
    self.emitted += 1
    self.emit([word])