Patent ID: 8301607
Filing Date: 2012-10-30
Classification: G06F

Abstract:
1. An information management server, comprising: a registration unit that registers a status change of a database and a notification action so that the status change and the notification action are associated with each other; a communication unit that receives an acquisition request for a status change notification via a database connection established over a network with respect to a client device; a change detection unit that detects generation of the status change, sets a lock key field to an unlock state upon detection of the status change and invokes the notification action associated therewith; and a notification unit that monitors the lock key field in response to receiving the acquisition request, and upon detection of an unlock state of the lock key field initiates the communication unit to send a notification including a result of the notification action for the acquisition request via the database connection as a response to the acquisition request, and returns control of the connection to the client.