Merge pull request symfony#564 from hhamon/cookbook_upload_fix

[cookbook] fixed file uploads with Doctrine samples to upload the file wh

Author: weaverryan

cookbook/doctrine/file_uploads.rst

@@ -257,6 +257,7 @@ Next, refactor the ``Document`` class to take advantage of these callbacks::
  {
  /**
  * @ORM\PrePersist()
+ * @ORM\PreUpdate()
  */
  public function preUpload()
  {
@@ -268,6 +269,7 @@ Next, refactor the ``Document`` class to take advantage of these callbacks::
 
  /**
  * @ORM\PostPersist()
+ * @ORM\PostUpdate()
  */
  public function upload()
  {
@@ -298,6 +300,13 @@ The class now does everything you need: it generates a unique filename before
 persisting, moves the file after persisting, and removes the file if the
 entity is ever deleted.
 
+.. note::
+
+ The ``@ORM\PrePersist()`` and ``@ORM\PostPersist()`` event callbacks are
+ triggered before and after the entity is persisted to the database. On the
+ other hand, the ``@ORM\PreUpdate()`` and ``@ORM\PostUpdate()`` event
+ callbacks are called when the entity is updated.
+
 Using the ``id`` as the filename
 --------------------------------
 
@@ -315,6 +324,7 @@ property, instead of the actual filename::
  {
  /**
  * @ORM\PrePersist()
+ * @ORM\PreUpdate()
  */
  public function preUpload()
  {
@@ -325,6 +335,7 @@ property, instead of the actual filename::
 
  /**
  * @ORM\PostPersist()
+ * @ORM\PostUpdate()
  */
  public function upload()
  {