| 摘要 |
PURPOSE:To improve the efficiency of a canceling processing by acquiring post-updating information by corresponding to an updating system command and disusing the post-updating information which is an object to a canceling request when a processing result by the arbitrary updating system command does not influence after processing results. CONSTITUTION:The post-updating information of the processing result by the updating system command is obtained by an acquiring means 3 and stored in a file 4 by corresponding to the updating system command and when there is a request to invalidate the processing by the arbitrary updating system command while processing a command, the request is held by a request holding means 5. When the processing of commands is terminated, based on the request in the means 5, the updating system command which is the object is recognized by a recognizing means 7, the post-updating information is extracted from a file 4 except the post-updating information corresponding to the command and the information is reflected on a data base 1 by a data base reflecting means 8. |
