Start thread at springboot application

Question

I want to execute a java class (which contains a java thread I want to execute) after spring boot starts. My initial code:

@SpringBootApplication
public clas         


        

Answer 1

• Main Class SpringBoot

  @SpringBootApplication
  @EnableAsync
  @Controller
  public class ...
  
  

• Example Class Controler

  import javax.annotation.PostConstruct;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.ApplicationContext;
  import org.springframework.core.task.TaskExecutor;
  import org.springframework.stereotype.Component;
  
  @Component
  public class ExecutorBase {
  
      private static final Logger log = LoggerFactory.getLogger(ExecutorBase.class);
  
      @Autowired
      private TaskExecutor taskExecutor;
      @Autowired
      private ApplicationContext applicationContext;
  
      private Boolean debug = true;
  
      @PostConstruct
      public void atStartup() {
          ClasseTaskRunn classeTaskRunn = applicationContext.getBean(ClasseTaskRunn.class);
          taskExecutor.execute(classeTaskRunn );
          if (debug) {
              log.warn("###### Startup ok");
          }
      }
  }
  
  

• Example Class Task Runnable

  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Scope;
  import org.springframework.stereotype.Component;
  
  @Component
  @Scope("application")
  public class ClasseTaskRunn implements Runnable {
  
      private static final Logger log = LoggerFactory.getLogger(ClasseTaskRunn.class);
  
      @Autowired
      ClasseDAO classeDAO;
  
      @Override
      public void run() {
          longBackgorund();
      }
  
      protected void longBackgorund() {
          while (test) {
              if (debug) {
                  log.warn("###### DEBUG: " ... );
              }
  
              try {
                  Thread.sleep(10000);
              } catch (InterruptedException e) {
                  e.printStackTrace();
              }
          }
      }
  }