code: public void build(BuildContext context,
                        BuildUtils utils,
                        RuleConditionElement rce) {
          final WindowReference window = (WindowReference) rce;
          final WindowNode node = context.getKnowledgeBase().getReteooBuilder().getWindowNode( window.getName() );
          
          context.setObjectSource( node );
          context.setCurrentEntryPoint( node.getEntryPoint() );
       }
docs: /* (non-Javadoc)
  @see org.kie.reteoo.builder.ReteooComponentBuilder#build(org.kie.reteoo.builder.BuildContext, org.kie.reteoo.builder.BuildUtils, org.kie.rule.RuleConditionElement)