[jbpm-commits] JBoss JBPM SVN: r5659 - jbpm4/trunk/modules/userguide/src/main/docbook/en/modules.

Author: jbarrez Date: 2009-09-17 12:06:37 -0400 (Thu, 17 Sep 2009) New Revision: 5659 Modified: jbpm4/trunk/modules/userguide/src/main/docbook/en/modules/ch06-Jpdl.xml Log: Enhanced explanation of threadsafe notion of user code Modified: jbpm4/trunk/modules/userguide/src/main/docbook/en/modules/ch06-Jpdl.xml =================================================================== --- jbpm4/trunk/modules/userguide/src/main/docbook/en/modules/ch06-Jpdl.xml 2009-09-17 12:58:19 UTC (rev 5658) +++ jbpm4/trunk/modules/userguide/src/main/docbook/en/modules/ch06-Jpdl.xml 2009-09-17 16:06:37 UTC (rev 5659) @@ -2900,8 +2900,11 @@ <listitem><literal>handler</literal> in decision</listitem> </itemizedlist> <para>For all objects that are referenced by a class name, will be - instantiated during parsing time. Which implies that the objects have to be - threadsafe. This is typically OK since those objects are typically immutable. + instantiated during parsing time. Which implies that the objects aren't + allowed to store non-stateless data (ie which can change). + This is typically OK since those objects are in practice almost always immutable. + If you do need to use 'dynamic' data in your user code, you can always + fall back to process variables (or Environment.get(xxx) calls). </para> <para>Objects that are referenced by an expression are calculated dynamically.