ELECTRONIC-MONEY MANAGEMENT DEVICE, ELECTRONIC-MONEY MANAGEMENT METHOD, ELECTRONIC-MONEY MANAGEMENT PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM CONTAINING SAID PROGRAM

摘要

An electronic money management device according to one embodiment in an electronic money system that stores a balance of electronic money owned by a user in both of a storage device not under control of the user and a storage medium held by the user includes a post-update synchronization unit that, each time the balance in the storage device is updated based on instruction information for changing the balance in the storage device, reflects a change of the balance in the storage device on the balance in the storage medium through a terminal accessible to the storage medium held by the user having the updated balance.

主权项

1. An electronic money management device in an electronic money system that stores a balance of electronic money owned by a user in both of a storage device not under control of the user and a storage medium held by the user, comprising:
a post-update synchronization unit configured to, each time the balance in the storage device is updated based on instruction information for changing the balance in the storage device, reflect a change of the balance in the storage device on the balance in the storage medium through a terminal accessible to the storage medium held by the user having the updated balance; and a pre-update synchronization unit configured to, before the balance in the storage device is updated based on the instruction information, acquire the balance in the storage medium from the terminal, and reflect a change of the balance in the storage medium on the balance in the storage device using the acquired balance in the storage medium, wherein the pre-update synchronization unit skips processing of reflecting a change of the balance in the storage medium on the balance in the storage device when a specified condition is met.