Examples of com.avaje.ebean.event.BeanPersistController

com.avaje.ebean.event.BeanPersistController
Used to enhance or override the default bean persistence mechanism.
Note that if want to totally change the finding, you need to use a BeanQueryAdapter rather than using postLoad().

Note that getTransaction() on the PersistRequest returns the transaction used for the insert, update, delete or fetch. To explicitly use this same transaction you should use this transaction via methods on EbeanServer.
```
 Object extaBeanToSave = ...; Transaction t = request.getTransaction(); EbeanServer server = request.getEbeanServer(); server.save(extraBeanToSave, t); 
```
It is worth noting that BeanPersistListener is different in three main ways from BeanPersistController postXXX methods.
- BeanPersistListener only sees successfully committed events. BeanController pre and post methods occur before the commit or a rollback and will see events that are later rolled back
- BeanPersistListener runs in a background thread and will not effect the response time of the actual persist where as BeanController code will
- BeanPersistListener can be notified of events from other servers in a cluster.
A BeanPersistController is either found automatically via class path search or can be added programmatically via ServerConfiguration.addEntity().

  /**
   * Execute the postLoad if a BeanPersistController exists for this bean.
   */
  @SuppressWarnings("unchecked")
  public void postLoad(Object bean, Set<String> includedProperties) {
    BeanPersistController c = persistController;
    if (c != null) {
      c.postLoad((T) bean, includedProperties);
    }
  }

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     * Return the BeanPersistController for a given entity type.
     */
  public void addPersistControllers(DeployBeanDescriptor<?> deployDesc){
    
    for (int i = 0; i < list.size(); i++) {
      BeanPersistController c = list.get(i);
      if (c.isRegisterFor(deployDesc.getBeanType())){
        logger.debug("BeanPersistController on[" + deployDesc.getFullName() + "] " + c.getClass().getName());
        deployDesc.addPersistController(c);
      }
    }    
    }

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    public List<BeanPersistController> getBeanPersistControllers() {
        // add class registered BeanPersistController to the
        // already created instances
        for (Class<?> cls : beanControllerList) {
            try {
                BeanPersistController newInstance = (BeanPersistController) cls.newInstance();
                persistControllerInstances.add(newInstance);
            } catch (Exception e) {
                String msg = "Error creating BeanPersistController " + cls;
                logger.error(msg, e);
            }

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  public <T> void executeInsertBean(PersistRequestBean<T> request) {


    BeanManager<T> mgr = request.getBeanManager();
    BeanPersister persister = mgr.getBeanPersister();


    BeanPersistController controller = request.getBeanController();
    if (controller == null || controller.preInsert(request)) {
      persister.insert(request);
    }
  }

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  public <T> void executeUpdateBean(PersistRequestBean<T> request) {


    BeanManager<T> mgr = request.getBeanManager();
    BeanPersister persister = mgr.getBeanPersister();


    BeanPersistController controller = request.getBeanController();
    if (controller == null || controller.preUpdate(request)) {
      request.postControllerPrepareUpdate();
      persister.update(request);
    }
  }

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  public <T> void executeDeleteBean(PersistRequestBean<T> request) {


    BeanManager<T> mgr = request.getBeanManager();
    BeanPersister persister = mgr.getBeanPersister();


    BeanPersistController controller = request.getBeanController();
    if (controller == null || controller.preDelete(request)) {
      persister.delete(request);
    }
  }

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  /**
   * De-register the BeanPersistController.
   */
  public void deregister(BeanPersistController controller) {
    // volatile read...
    BeanPersistController c = persistController;
    if (c == null) {
      // nothing to deregister
    } else {
      if (c instanceof ChainedBeanPersistController) {
        // remove it from the existing chain
        persistController = ((ChainedBeanPersistController) c).deregister(controller);
      } else if (c.equals(controller)) {
        persistController = null;
      }
    }
  }

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    if (!newController.isRegisterFor(beanType)) {
      // skip
    } else {
      // volatile read...
      BeanPersistController c = persistController;
      if (c == null) {
        persistController = newController;
      } else {
        if (c instanceof ChainedBeanPersistController) {
          // add it to the existing chain

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Related Classes of com.avaje.ebean.event.BeanPersistController

com.avaje.ebeaninternal.server.core.BootupClasses

com.avaje.ebeaninternal.server.deploy.BeanDescriptor

com.avaje.ebeaninternal.server.deploy.PersistControllerManager

com.avaje.ebeaninternal.server.persist.DefaultPersistExecute

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