How to use

destroySingletons

method

in

org.springframework.beans.factory.config.ConfigurableBeanFactory

factory.destroySingletons();
applicationContext.close();

/**
 * Destroy definition in separate method so subclass may work with other definition types.
 * @param groupDef the factory returned by {@link #createDefinition createDefinition()}
 * @param selector the resource location for this factory group
 */
protected void destroyDefinition(BeanFactory groupDef, String selector) {
  if (groupDef instanceof ConfigurableBeanFactory) {
    if (logger.isTraceEnabled()) {
      logger.trace("Factory group with selector '" + selector +
          "' being released, as there are no more references to it");
    }
    ((ConfigurableBeanFactory) groupDef).destroySingletons();
  }
}

  protected void doClose(ConfigurableBeanFactory beanFactory) {
    beanFactory.destroySingletons();
  }
};

/**
 * Destroy definition in separate method so subclass may work with other definition types.
 * @param groupDef the factory returned by {@link #createDefinition createDefinition()}
 * @param selector the resource location for this factory group
 */
protected void destroyDefinition(BeanFactory groupDef, String selector) {
  if (groupDef instanceof ConfigurableBeanFactory) {
    if (logger.isTraceEnabled()) {
      logger.trace("Factory group with selector '" + selector +
          "' being released, as there are no more references to it");
    }
    ((ConfigurableBeanFactory) groupDef).destroySingletons();
  }
}

/**
 * Destroy definition in separate method so subclass may work with other definition types.
 */
protected void destroyDefinition(BeanFactory groupDef, String resourceName) throws BeansException {
  if (groupDef instanceof ConfigurableBeanFactory) {
    // debugging trace only
    if (logger.isDebugEnabled()) {
      logger.debug("Factory group with resource name '" + resourceName +
          "' being released, as there are no more references to it.");
    }
    ((ConfigurableBeanFactory) groupDef).destroySingletons();
  }
}

public void destroy() throws BeansException {
 for (Iterator it = this.cachedFactories.values().iterator(); it.hasNext();) {
   ConfigurableBeanFactory factory = (ConfigurableBeanFactory) it.next();
   factory.destroySingletons();
 }
 this.cachedFactories.clear();
}

/**
 * @see org.apache.avalon.framework.activity.Disposable#dispose()
 */
public void dispose() {
  if (this.disposableNodes != null) {
    // we must dispose the nodes in reverse order
    // otherwise selector nodes are freed before the components node
    for (int i = this.disposableNodes.size() - 1; i > -1; i--) {
      ((Disposable) disposableNodes.get(i)).dispose();
    }
    this.disposableNodes = null;
  }
  // Ensure it won't be used anymore
  this.rootNode = null;
  this.sitemapExecutor = null;
  // clear listeners
  this.enterSitemapEventListeners.clear();
  this.leaveSitemapEventListeners.clear();
  if ( this.webAppContext != null ) {
    if ( webAppContext instanceof ConfigurableApplicationContext ) {
      ((ConfigurableApplicationContext)webAppContext).close();
    } else if ( webAppContext instanceof ConfigurableBeanFactory ) {
      ((ConfigurableBeanFactory)webAppContext).destroySingletons();
    }
    this.webAppContext = null;
  }
}