Module: Babik::QuerySet::Lockable

Included in:

AbstractBase

Defined in:

lib/babik/queryset/mixins/lockable.rb

Overview

Lock functionality of QuerySet

Instance Method Summary

• #for_update! ⇒ Object

  Lock the table for writes This must be inside a transaction.

• #lock! ⇒ Object

  Lock the table for writes This must be inside a transaction.

• #lock? ⇒ Boolean

  Check if there is a lock.

Instance Method Details

#for_update! ⇒ Object

Lock the table for writes This must be inside a transaction

# File 'lib/babik/queryset/mixins/lockable.rb', line 10

def for_update!
  @_lock_type = 'FOR UPDATE'
  self
end

#lock! ⇒ Object

Lock the table for writes This must be inside a transaction

See Also:

• Alias of for_update method

# File 'lib/babik/queryset/mixins/lockable.rb', line 18

def lock!
  self.for_update!
end

#lock? ⇒ Boolean

Check if there is a lock

Returns:

• (Boolean) —

  True if there is a lock, false otherwise.

# File 'lib/babik/queryset/mixins/lockable.rb', line 24

def lock?
  return true if @_lock_type
  false
end