diff options
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/4_2_release_notes.md | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md index c3803aa856..01981e5741 100644 --- a/guides/source/4_2_release_notes.md +++ b/guides/source/4_2_release_notes.md @@ -41,13 +41,23 @@ Jobs written with the Active Job API run on any of the supported queues thanks to their respective adapters. Active Job comes pre-configured with an inline runner that executes jobs right away. -Jobs often need to take Active Record objects as arguments, but we can't pass -fully-marshaled Ruby objects through many queueing systems. Active Job passes +Jobs often need to take Active Record objects as arguments. Active Job passes object references as URIs (uniform resource identifiers) instead of marshaling the object itself. The new [Global ID](https://github.com/rails/globalid) library builds URIs and looks up the objects they reference. Passing Active -Record objects as job arguments "just works:" Active Job passes a reference to -the object, then looks up the object from its reference. +Record objects as job arguments just works by using Global ID internally. + +For example, if `trashable` is an AR this job runs just fine + +```ruby +class TrashableCleanupJob < ActiveJob::Base + def perform(trashable, depth) + trashable.cleanup(depth) + end +end +``` + +with no serialization involved. See the [Active Job Basics](active_job_basics.html) guide for more information. |