def join(self, join_streamlet, window_config, join_function):
"""Return a new Streamlet by joining join_streamlet with this streamlet
"""
from heronpy.streamlet.impl.joinbolt import JoinStreamlet, JoinBolt
join_streamlet_result = JoinStreamlet(JoinBolt.INNER, window_config,
join_function, self, join_streamlet)
self._add_child(join_streamlet_result)
join_streamlet._add_child(join_streamlet_result)
return join_streamlet_result
def outer_left_join(self, join_streamlet, window_config, join_function):
"""Return a new Streamlet by left join_streamlet with this streamlet
"""
from heronpy.streamlet.impl.joinbolt import JoinStreamlet, JoinBolt
join_streamlet_result = JoinStreamlet(JoinBolt.OUTER_LEFT, window_config,
join_function, self, join_streamlet)
self._add_child(join_streamlet_result)
join_streamlet._add_child(join_streamlet_result)
return join_streamlet_result
def outer_right_join(self, join_streamlet, window_config, join_function):
"""Return a new Streamlet by outer right join_streamlet with this streamlet
"""
# pylint: disable=import-outside-toplevel
from heronpy.streamlet.impl.joinbolt import JoinStreamlet, JoinBolt
join_streamlet_result = JoinStreamlet(JoinBolt.OUTER_RIGHT,
window_config, join_function,
self, join_streamlet)
self._add_child(join_streamlet_result)
join_streamlet._add_child(join_streamlet_result)
return join_streamlet_result