Class: ArLazyPreload::Contexts::BaseContext
- Inherits:
-
Object
- Object
- ArLazyPreload::Contexts::BaseContext
- Defined in:
- lib/ar_lazy_preload/contexts/base_context.rb
Overview
This is a base context class, which is responsible for holding a connection between a list of ActiveRecord::Base objects which have been loaded by the same instance of ActiveRecord::Relation.
Direct Known Subclasses
Instance Attribute Summary collapse
-
#records ⇒ Object
readonly
Returns the value of attribute records.
Instance Method Summary collapse
- #association_tree ⇒ Object
- #auto_preload? ⇒ Boolean
-
#initialize(records:) ⇒ BaseContext
constructor
:records - array of ActiveRecord instances.
-
#try_preload_lazily(association_name) ⇒ Object
This method checks if the association should be loaded and preloads it for all objects in the context it if needed.
Constructor Details
#initialize(records:) ⇒ BaseContext
:records - array of ActiveRecord instances
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# File 'lib/ar_lazy_preload/contexts/base_context.rb', line 15 def initialize(records:) @records = records.dup @records.compact! @records.uniq! @records.each { |record| record.lazy_preload_context = self } end |
Instance Attribute Details
#records ⇒ Object (readonly)
Returns the value of attribute records.
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# File 'lib/ar_lazy_preload/contexts/base_context.rb', line 12 def records @records end |
Instance Method Details
#association_tree ⇒ Object
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# File 'lib/ar_lazy_preload/contexts/base_context.rb', line 23 def association_tree; nil; end |
#auto_preload? ⇒ Boolean
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# File 'lib/ar_lazy_preload/contexts/base_context.rb', line 34 def auto_preload? false end |
#try_preload_lazily(association_name) ⇒ Object
This method checks if the association should be loaded and preloads it for all objects in the context it if needed.
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# File 'lib/ar_lazy_preload/contexts/base_context.rb', line 27 def try_preload_lazily(association_name) return if association_loaded?(association_name) || !association_needs_preload?(association_name) perform_preloading(association_name) end |