Python Spec примеры использования

Пример #1

 class WordCount(Topology):
     word_spout = Spec(WordSpout, )
     word_bolt = Spec(
         WordCountBolt,
         source=word_spout,
         group_on=Grouping.fields("foo"),
     )

Пример #2

 class WordCount(Topology):
     word = Spec(WordSpout, )
     word_ = Spec(
         WordCountBolt,
         name='word',
         source=word,
     )

Пример #3

 class WordCount(Topology):
     word_spout = Spec(
         WordSpout,
         parallelism=2,
     )
     word_bolt = Spec(
         WordCountBolt,
         source=word_spout,
         group_on=Grouping.fields("word"),
         parallelism=8,
     )

Пример #4

 class WordCount(Topology):
     word_spout = Spec(
         WordSpout,
         parallelism=0,
     )

Пример #5

 class WordCount(Topology):
     word_bolt = Spec(WordCountBolt, )

Пример #6

 class WordCount(Topology):
     word_spout = Spec(
         WordSpout,
         source='unknown',
     )

Пример #7

 class WordCount(Topology):
     word_bolt = Spec(
         WordCountBolt,
         source='word_spout',
     )
     word_spout = Spec(WordSpout)