Github user gemmellr commented on a diff in the pull request: https://github.com/apache/qpid-proton/pull/48#discussion_r36174299 --- Diff: proton-j/src/main/java/org/apache/qpid/proton/engine/impl/CollectorImpl.java --- @@ -57,9 +58,13 @@ public void pop() } } - public EventImpl put(Event.Type type, Object context) + public EventImpl put(EventType type, Object context) { - if (tail != null && tail.getType() == type && + if (type == null) + throw new IllegalArgumentException("Type cannot be null"); + if (!type.isValid()) + throw new IllegalArgumentException("Cannot put events of type " + type); + if (tail != null && tail.getEventType() == type && --- End diff -- Would an equals() check be more appropriate now that EventType isn't necessarily an Enum (though granted it is natural and we know it is for the core events)?
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