[Checkins] SVN: grokcore.component/trunk/README.txt add subscriptions in the readme
Jan-Wijbrand Kolman
janwijbrand at gmail.com
Mon Feb 14 04:57:47 EST 2011
Log message for revision 120314:
add subscriptions in the readme
Changed:
U grokcore.component/trunk/README.txt
-=-
Modified: grokcore.component/trunk/README.txt
===================================================================
--- grokcore.component/trunk/README.txt 2011-02-14 09:52:49 UTC (rev 120313)
+++ grokcore.component/trunk/README.txt 2011-02-14 09:57:47 UTC (rev 120314)
@@ -213,3 +213,13 @@
"""Updated the Dublin Core 'Modified' property when a modified
event is sent for an object."""
IZopeDublinCore(obj).modified = datetime.datetime.utcnow()
+
+Subscriptions
+-------------
+
+Subscriptions look similar to Adapter, however, unlike regular adapters,
+subscription adapters are used when we want all of the adapters that adapt an
+object to a particular adapter.
+
+Analogous to MultiAdapter, there is a MultiSubscription component that "adapts"
+multiple objects.
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