Method: ActiveRecord::ConnectionAdapters::AbstractAdapter#lease

Defined in:
activerecord/lib/active_record/connection_adapters/abstract_adapter.rb

#lease ⇒ Object

this method must only be called while holding connection pool’s mutex



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# File 'activerecord/lib/active_record/connection_adapters/abstract_adapter.rb', line 296

def lease
  if in_use?
    msg = +"Cannot lease connection, "
    if @owner == ActiveSupport::IsolatedExecutionState.context
      msg << "it is already leased by the current thread."
    else
      msg << "it is already in use by a different thread: #{@owner}. " \
             "Current thread: #{ActiveSupport::IsolatedExecutionState.context}."
    end
    raise ActiveRecordError, msg
  end

  @owner = ActiveSupport::IsolatedExecutionState.context
end