robertwb commented on a change in pull request #11365: [BEAM-9735] Adding
Always trigger and using it in Reshuffle
URL: https://github.com/apache/beam/pull/11365#discussion_r406952462
##########
File path: sdks/python/apache_beam/transforms/trigger.py
##########
@@ -367,6 +367,47 @@ def has_ontime_pane(self):
return False
+class Always(TriggerFn):
+ """Repeatedly invoke the given trigger, never finishing."""
+ def __init__(self):
+ pass
+
+ def __repr__(self):
+ return 'Always'
+
+ def __eq__(self, other):
+ return type(self) == type(other)
+
+ def __hash__(self):
+ return 1
Review comment:
More conventional is to return hash(type(self)), to avoid collisions, but
this is OK.
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