Updating Java doc for the iTest to explain why @RequestContext was used to retrieve callBack instance, instead of @Callback annotation

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@911656 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 5 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java b/sca-java-2.x/trunk/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java
index 49df5aa17a..2b484293c7 100644
--- a/sca-java-2.x/trunk/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java
+++ b/sca-java-2.x/trunk/itest/callback-multiple-wires/src/main/java/org/apache/tuscany/sca/test/callback/MyServiceImpl.java
@@ -25,6 +25,11 @@ import org.oasisopen.sca.annotation.Service;
 
 /**
  * This class implements MyService and uses a callback.
+ * 
+ * In this scenario, we exlore using the RequestContext to retrieve the callBack reference
+ * as @Callback injection is not performed for composite-scoped implementations (see JavaCAA Section 7.2.5)
+ * 
+ * Changing the service implementation to be @Scope("STATELESS") would make plain @Callback injection work
  */
 @Service(MyService.class)
 @Scope("COMPOSITE")