Hi Devs, I have introduced listeners based model for WSO2 MB to handle subscriptions, queues, bindings and exchanges.
There are multiple implementations of the listeners. These listeners do various things inside the broker on for example subscription change. Note that currently we call the listeners one after the other in blocking manner (maybe we will need to change this i.e make hazlecast call async down the way). If an exception happened in one listener we should rollback all the other things done by previously triggered listeners. Otherwise that would create an inconsistency. What is the best way to do this? Thanks -- *Hasitha Abeykoon* Senior Software Engineer; WSO2, Inc.; http://wso2.com *cell:* *+94 719363063* *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
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