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

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#  or more contributor license agreements.  See the NOTICE file
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#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
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#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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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])