Class: Mongoid::Relations::Cascading::Nullify

Inherits:

Strategy

• Object
• Strategy
• Mongoid::Relations::Cascading::Nullify

Defined in:

lib/mongoid/relations/cascading/nullify.rb

Instance Attribute Summary

Attributes inherited from Strategy

#document, #metadata, #relation

Instance Method Summary

• #cascade ⇒ Object

  This cascade does not delete the referenced relations, but instead sets the foreign key values to nil.

Methods inherited from Strategy

#initialize

Constructor Details

This class inherits a constructor from Mongoid::Relations::Cascading::Strategy

Instance Method Details

#cascade ⇒ Object

This cascade does not delete the referenced relations, but instead sets the foreign key values to nil.

Examples:

Nullify the reference.

strategy.cascade

# File 'lib/mongoid/relations/cascading/nullify.rb', line 12

def cascade
  relation.nullify if relation
end