Class: ActiveRecord::Reflection::PolymorphicReflection
- Inherits:
-
AbstractReflection
- Object
- AbstractReflection
- ActiveRecord::Reflection::PolymorphicReflection
- Defined in:
- activerecord/lib/active_record/reflection.rb
Overview
:nodoc:
Instance Method Summary collapse
- #constraints ⇒ Object
-
#initialize(reflection, previous_reflection) ⇒ PolymorphicReflection
constructor
A new instance of PolymorphicReflection.
-
#join_scopes(table, predicate_builder) ⇒ Object
:nodoc:.
Methods inherited from AbstractReflection
#alias_candidate, #build_association, #build_scope, #chain, #check_validity_of_inverse!, #class_name, #counter_cache_column, #counter_must_be_updated_by_has_many?, #get_join_keys, #has_cached_counter?, #inverse_of, #inverse_updates_counter_in_memory?, #inverse_which_updates_counter_cache, #join_foreign_key, #join_keys, #join_primary_key, #join_scope, #klass_join_scope, #scopes, #table_name, #through_reflection?
Constructor Details
#initialize(reflection, previous_reflection) ⇒ PolymorphicReflection
Returns a new instance of PolymorphicReflection.
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# File 'activerecord/lib/active_record/reflection.rb', line 1009 def initialize(reflection, previous_reflection) @reflection = reflection @previous_reflection = previous_reflection end |
Instance Method Details
#constraints ⇒ Object
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# File 'activerecord/lib/active_record/reflection.rb', line 1019 def constraints @reflection.constraints + [source_type_scope] end |
#join_scopes(table, predicate_builder) ⇒ Object
:nodoc:
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# File 'activerecord/lib/active_record/reflection.rb', line 1014 def join_scopes(table, predicate_builder) # :nodoc: scopes = @previous_reflection.join_scopes(table, predicate_builder) + super scopes << build_scope(table, predicate_builder).instance_exec(nil, &source_type_scope) end |