How to use

containsSingleton

method

in

org.springframework.beans.factory.config.ConfigurableBeanFactory

/**
 * Determine whether the specified bean is eligible for inclusion in the
 * LiveBeansView JSON snapshot.
 * @param beanName the name of the bean
 * @param bd the corresponding bean definition
 * @param bf the containing bean factory
 * @return {@code true} if the bean is to be included; {@code false} otherwise
 */
protected boolean isBeanEligible(String beanName, BeanDefinition bd, ConfigurableBeanFactory bf) {
  return (bd.getRole() != BeanDefinition.ROLE_INFRASTRUCTURE &&
      (!bd.isLazyInit() || bf.containsSingleton(beanName)));
}

/**
 * Determine whether the specified bean is eligible for inclusion in the
 * LiveBeansView JSON snapshot.
 * @param beanName the name of the bean
 * @param bd the corresponding bean definition
 * @param bf the containing bean factory
 * @return {@code true} if the bean is to be included; {@code false} otherwise
 */
protected boolean isBeanEligible(String beanName, BeanDefinition bd, ConfigurableBeanFactory bf) {
  return (bd.getRole() != BeanDefinition.ROLE_INFRASTRUCTURE &&
      (!bd.isLazyInit() || bf.containsSingleton(beanName)));
}

if (factory.containsSingleton(name)) {
  log.warn("Singleton {} already exists, try unload first", name);
  return;
  log.debug("Lookup common - bean:{} local:{} singleton:{}", new Object[] { factory.containsBean("red5.common"), factory.containsLocalBean("red5.common"), factory.containsSingleton("red5.common"), });
  parentContext = (ApplicationContext) factory.getBean("red5.common");

if (factory.containsSingleton(name)) {
  log.debug("Context found in parent, destroying: {}", name);
  FileSystemXmlApplicationContext ctx = (FileSystemXmlApplicationContext) factory.getSingleton(name);
      ctx.destroy();
    } finally {
      if (factory.containsSingleton(name)) {
        log.debug("Singleton still exists, trying another destroy method");
        ((DefaultListableBeanFactory) factory).destroySingleton(name);

private static boolean isBeanEligible(String beanName, BeanDefinition bd,
    ConfigurableBeanFactory bf) {
  return (bd.getRole() != BeanDefinition.ROLE_INFRASTRUCTURE
      && (!bd.isLazyInit() || bf.containsSingleton(beanName)));
}

/**
 * Determine whether the specified bean is eligible for inclusion in the
 * LiveBeansView JSON snapshot.
 * @param beanName the name of the bean
 * @param bd the corresponding bean definition
 * @param bf the containing bean factory
 * @return {@code true} if the bean is to be included; {@code false} otherwise
 */
protected boolean isBeanEligible(String beanName, BeanDefinition bd, ConfigurableBeanFactory bf) {
  return (bd.getRole() != BeanDefinition.ROLE_INFRASTRUCTURE &&
      (!bd.isLazyInit() || bf.containsSingleton(beanName)));
}