Reduce render listener overhead
-------------------------------
Key: GEOT-2520
URL: http://jira.codehaus.org/browse/GEOT-2520
Project: GeoTools
Issue Type: Improvement
Components: core render
Affects Versions: 2.5.5
Reporter: Andrea Aime
Assignee: Andrea Aime
Fix For: 2.5.6
The two renderers (streaming and shapefile) at the moment are using
ListenerList, which makes a deep copy of the list of listeners each time an
event needs to be fired.
The overhead is not huge, but it's easily avoidable in java5 using
CopyOnWriteArrayList instead, which does the copy only if the list gets
modified. And that also allows us to get rid of ListenerList, which as a result
is no more needed (will be deprecated in trunk and removed in the next series)
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