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32 lines
781 B
Python
32 lines
781 B
Python
from ..data import MarketDataEvent
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from ..enums import ChannelType
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from ..enums import EventType
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from .handler import Handler
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class BookHandler(Handler):
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def __call__(self, event: MarketDataEvent) -> None:
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if event.channel_type != ChannelType.BOOK:
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return
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super(BookHandler, self).__call__(event)
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class BookSnapshotHandler(BookHandler):
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def __call__(self, event: MarketDataEvent) -> None:
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if event.event_type != EventType.SNAPSHOT:
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return
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super(BookSnapshotHandler, self).__call__(event)
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class BookUpdateHandler(BookHandler):
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def __call__(self, event: MarketDataEvent) -> None:
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if event.event_type != EventType.UPDATE:
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return
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super(BookUpdateHandler, self).__call__(event)
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