docs: public void build(BuildContext context,
                        BuildUtils utils,
                        RuleConditionElement rce) {
          final EntryPointId entry = (EntryPointId) rce;
          context.setCurrentEntryPoint( entry );
          
          EntryPointNode epn = context.getKnowledgeBase().getRete().getEntryPointNode( entry );
          if( epn == null ) {
              NodeFactory nFactory = context.getComponentFactory().getNodeFactoryService();
              context.setObjectSource( utils.attachNode( context,
                                                         nFactory.buildEntryPointNode( context.getNextId(),
                                                                                       context.getKnowledgeBase().getRete(),
                                                                                       context ) ) );
          } else {
              context.setObjectSource( epn );
          }
       }