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From ra...@apache.org
Subject svn commit: r601144 - /commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java
Date Tue, 04 Dec 2007 23:18:04 GMT
Author: rahul
Date: Tue Dec  4 15:18:03 2007
New Revision: 601144

URL: http://svn.apache.org/viewvc?rev=601144&view=rev
Log:
SCXML-61 Clarify (via class Javadoc) interaction model between Invokers and parent executor.

Modified:
    commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java

Modified: commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java
URL: http://svn.apache.org/viewvc/commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java?rev=601144&r1=601143&r2=601144&view=diff
==============================================================================
--- commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java
(original)
+++ commons/proper/scxml/trunk/src/main/java/org/apache/commons/scxml/invoke/Invoker.java
Tue Dec  4 15:18:03 2007
@@ -58,6 +58,12 @@
  *   <li>Either completion or cancellation.</li>
  *  </ol>
  * </p>
+ *
+ * <p><b>Note:</b> The semantics of &lt;invoke&gt; are necessarily
+ * asynchronous, tending towards long(er) running interactions with external
+ * processes. Implementations must not communicate with the parent state
+ * machine executor in a synchronous manner. For synchronous
+ * communication semantics, use &lt;event&gt; or custom actions instead.</p>
  */
 public interface Invoker {
 



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