tut02-1-DemoApplication.java

@SpringBootApplication
public class DemoApplication {

    Logger logger = LoggerFactory.getLogger(DemoApplication.class);

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

    @Bean
    public CommandLineRunner init(final RepositoryService repositoryService,
                                  final RuntimeService runtimeService,
                                  final TaskService taskService) {

        return new CommandLineRunner() {
            @Override
            public void run(String... strings) throws Exception {
                ProcessDefinitionQuery query = repositoryService.createProcessDefinitionQuery();
                logger.info("Number of process definitions : " + query.count());
                List<ProcessDefinition> definitions = query.list();
                for (ProcessDefinition definition : definitions) {
                    logger.info("Loaded Process Definitions: "+definition.getKey());
                }
                // Execute the Saga1 Process
                runtimeService.startProcessInstanceByKey("saga1Process");
            }
        };
    }
}