/**
* Removes the Attachment specified by the attachmentId.
*
* @param attachmentId id of attachment to remove
* @return removed Attachment or null if one was not found with the id
*/
public Attachment removeAttachment(final long attachmentId) {
Attachment removedAttachment = null;
if (attachments != null) {
for (int index = attachments.size() - 1; index >= 0; --index) {
Attachment currentAttachment = attachments.get(index);
if (currentAttachment.getId() == attachmentId) {
removedAttachment = attachments.remove(index);
break;
}
}
}
return removedAttachment;
}
@Override
public Attachment persistAttachment(Attachment attachment) {
check();
this.em.persist(attachment);
if (this.pessimisticLocking) {
return this.em.find(
AttachmentImpl.class, attachment.getId(), LockModeType.PESSIMISTIC_FORCE_INCREMENT);
}
return attachment;
}