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From: hivemind-cvs@jakarta.apache.org
To: hivemind-cvs@jakarta.apache.org
Subject: 
 =?iso-8859-1?q?=5BJakarta_HiveMind_Wiki=5D_Updated=3A__FrequentlyAskedQue?=
 =?iso-8859-1?q?stions?=
Date: Mon, 21 Jun 2004 18:01:44 -0000
Message-ID: <20040621180144.36764.88833@minotaur.apache.org>

   Date: 2004-06-21T11:01:44
   Editor: 200.63.136.102 <>
   Wiki: Jakarta HiveMind Wiki
   Page: FrequentlyAskedQuestions
   URL: http://wiki.apache.org/jakarta-hivemind/FrequentlyAskedQuestions

   no comment

Change Log:

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---
@@ -19,3 +19,21 @@
 =

 HowardLewisShip: Seems that !BuilderFactory could do this, by changing the=
 nested {{{set-service}}} element to have an additional attribute,
 {{{read-property}}} that would be a property of the service to read as the=
 value to assign to the service implementation under construction.  Perhaps=
 {{{set-service}}} should be left alone, and there should be a {{{read-serv=
ice-property}}} element added instead.
+
+----
+
+DanielFeist:  =

+What we are actually want to set here (in order to accomplish what is expl=
ained in the examples above) is not as you mentioned the property of anothe=
r service (i.e. allowing the copying properties between servcies) BUT rathe=
r the value obtained from invoking a method of another service.  Something =
like the following would be needed as a nested BuilderFactory element in or=
der to set a property of the service in construction with an object (in thi=
s case a datasource) obtained from another factory/lookup service:
+
+{{{
+set-service-method-return-value (property=3Ddatasource service-id=3Dhivemi=
nd.lib.NameLookup method=3Dlookup){
+  argument{
+    java:/jdbc/myDS
+  }
+  argument (translator=3Dclass)
+    javax.sql.DataSource
+  }
+}
+}}}
+
+Obviosly the name i have put 'set-service-method-return-value' is rather l=
ong and would need to be improved.  I've put that name in the example so it=
 is clear what in fact the functionality is.

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