PROTON-1709: [Python] Fix ApplicationEvent to avoid always creating a new EventType
- ApplicationEvent memoizes EventTypes created so it only creates one for any one
typename string.
- ApplicationEvent accepts EventType as its first parameter so application can create
their own EventType.
diff --git a/python/proton/_reactor.py b/python/proton/_reactor.py
index 828e5d2..c93b55d 100644
--- a/python/proton/_reactor.py
+++ b/python/proton/_reactor.py
@@ -453,8 +453,18 @@
:type subject: any
"""
+ TYPES = {}
+
def __init__(self, typename, connection=None, session=None, link=None, delivery=None, subject=None):
- super(ApplicationEvent, self).__init__(EventType(typename))
+ if isinstance(typename, EventType):
+ eventtype = typename
+ else:
+ try:
+ eventtype = self.TYPES[typename]
+ except KeyError:
+ eventtype = EventType(typename)
+ self.TYPES[typename] = eventtype
+ super(ApplicationEvent, self).__init__(eventtype)
self.clazz = PN_PYREF
self.connection = connection
self.session = session
