Exception: ActiveRecord::StaleObjectError
- Inherits:
-
ActiveRecordError
- Object
- StandardError
- ActiveRecordError
- ActiveRecord::StaleObjectError
- Defined in:
- lib/active_record/errors.rb
Overview
Raised on attempt to save stale record. Record is stale when it’s being saved in another query after instantiation, for example, when two users edit the same wiki page and one starts editing and saves the page before the other.
Read more about optimistic locking in ActiveRecord::Locking module documentation.
Instance Attribute Summary collapse
-
#attempted_action ⇒ Object
readonly
Returns the value of attribute attempted_action.
-
#record ⇒ Object
readonly
Returns the value of attribute record.
Instance Method Summary collapse
-
#initialize(record = nil, attempted_action = nil) ⇒ StaleObjectError
constructor
A new instance of StaleObjectError.
Constructor Details
#initialize(record = nil, attempted_action = nil) ⇒ StaleObjectError
Returns a new instance of StaleObjectError.
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# File 'lib/active_record/errors.rb', line 190 def initialize(record = nil, attempted_action = nil) if record && attempted_action @record = record @attempted_action = attempted_action super("Attempted to #{attempted_action} a stale object: #{record.class.name}.") else super("Stale object error.") end end |
Instance Attribute Details
#attempted_action ⇒ Object (readonly)
Returns the value of attribute attempted_action.
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# File 'lib/active_record/errors.rb', line 188 def attempted_action @attempted_action end |
#record ⇒ Object (readonly)
Returns the value of attribute record.
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# File 'lib/active_record/errors.rb', line 188 def record @record end |