aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib/active_record/associations/association.rb
diff options
context:
space:
mode:
Diffstat (limited to 'activerecord/lib/active_record/associations/association.rb')
-rw-r--r--activerecord/lib/active_record/associations/association.rb53
1 files changed, 29 insertions, 24 deletions
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb
index 7887d59aad..9f47e7e631 100644
--- a/activerecord/lib/active_record/associations/association.rb
+++ b/activerecord/lib/active_record/associations/association.rb
@@ -1,5 +1,4 @@
require 'active_support/core_ext/array/wrap'
-require 'active_support/core_ext/object/inclusion'
module ActiveRecord
module Associations
@@ -25,9 +24,7 @@ module ActiveRecord
def initialize(owner, reflection)
reflection.check_validity!
- @target = nil
@owner, @reflection = owner, reflection
- @updated = false
reset
reset_scope
@@ -38,14 +35,14 @@ module ActiveRecord
# post.comments.aliased_table_name # => "comments"
#
def aliased_table_name
- reflection.klass.table_name
+ klass.table_name
end
# Resets the \loaded flag to +false+ and sets the \target to +nil+.
def reset
@loaded = false
- IdentityMap.remove(target) if IdentityMap.enabled? && target
@target = nil
+ @stale_state = nil
end
# Reloads the \target and returns +self+ on success.
@@ -83,10 +80,15 @@ module ActiveRecord
loaded!
end
- def scoped
+ def scope
target_scope.merge(association_scope)
end
+ def scoped
+ ActiveSupport::Deprecation.warn("#scoped is deprecated. use #scope instead.")
+ scope
+ end
+
# The scope for this association.
#
# Note that the association_scope is merged into the target_scope only when the
@@ -120,7 +122,7 @@ module ActiveRecord
# Can be overridden (i.e. in ThroughAssociation) to merge in other scopes (i.e. the
# through association's scope)
def target_scope
- klass.scoped
+ klass.all
end
# Loads the \target if needed and returns it.
@@ -134,17 +136,8 @@ module ActiveRecord
# ActiveRecord::RecordNotFound is rescued within the method, and it is
# not reraised. The proxy is \reset and +nil+ is the return value.
def load_target
- if find_target?
- begin
- if IdentityMap.enabled? && association_class && association_class.respond_to?(:base_class)
- @target = IdentityMap.get(association_class, owner[reflection.foreign_key])
- end
- rescue NameError
- nil
- ensure
- @target ||= find_target
- end
- end
+ @target = find_target if (@stale_state && stale_target?) || find_target?
+
loaded! unless loaded?
target
rescue ActiveRecord::RecordNotFound
@@ -159,6 +152,21 @@ module ActiveRecord
end
end
+ # We can't dump @reflection since it contains the scope proc
+ def marshal_dump
+ reflection = @reflection
+ @reflection = nil
+
+ ivars = instance_variables.map { |name| [name, instance_variable_get(name)] }
+ [reflection.name, ivars]
+ end
+
+ def marshal_load(data)
+ reflection_name, ivars = data
+ ivars.each { |name, val| instance_variable_set(name, val) }
+ @reflection = @owner.class.reflect_on_association(reflection_name)
+ end
+
private
def find_target?
@@ -168,7 +176,7 @@ module ActiveRecord
def creation_attributes
attributes = {}
- if reflection.macro.in?([:has_one, :has_many]) && !options[:through]
+ if (reflection.macro == :has_one || reflection.macro == :has_many) && !options[:through]
attributes[reflection.foreign_key] = owner[reflection.active_record_primary_key]
if reflection.options[:as]
@@ -225,13 +233,10 @@ module ActiveRecord
def stale_state
end
- def association_class
- @reflection.klass
- end
-
def build_record(attributes, options)
reflection.build_association(attributes, options) do |record|
- record.assign_attributes(create_scope.except(*record.changed), :without_protection => true)
+ attributes = create_scope.except(*(record.changed - [reflection.foreign_key]))
+ record.assign_attributes(attributes, :without_protection => true)
end
end
end