File management device

• US 5,778,365 A
• Filed: 03/15/1995
• Issued: 07/07/1998
• Est. Priority Date: 03/16/1994
• Status: Expired due to Term

• Current Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Original Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Inventors: Nishiyama, Kenji
• Primary Examiner(s): Black, Thomas G.
• Assistant Examiner(s): ROBINSON, GRETA LEE
• Application Number:
  US08/403,964
• Time in Patent Office: 1,210 Days
• Field of Search: 395/600, 395/188.01, 395/650, 395/726, 395/934, 395/609, 707/9, 707/8, 707/2
• US Class Current: 1/1
• CPC Class Codes: G06F 12/1483 using an access-table, e.g. matrix or list
• CPC Class Codes: G06F 21/6218 to a system of files or objects, e.g. local or distributed file system or database
• CPC Class Codes: G06F 2221/2141 Access rights, e.g. capability lists, access control lists, access tables, access matrices

Abstract

The present invention provides a file management device for managing a file accessed by a plurality of users which comprises setting means for setting a plurality of attribute values related to a particular attribute of the file, and for setting access rights in accordance with the plurality of attribute values related to the attribute, storing means for storing a result set by the setting means, and changing means for changing the access rights for the file corresponding to attribute values specified in the group of the plurality of attribute values based on the contents stored in the storing means.

Claims

1. A file management device for managing a file accessed by a plurality of users, comprising:

means for processing a file access request from one of said plurality of users;

means for processing a plurality of file attributes;

means for associating a user access right with a file status for the file in accordance with said file access request and said plurality of file attributes, said file status attribute indicating a stage of file generation;

means for storing said user access right associated with said file status; and

means for changing automatically said user access right when said file status changes.

2. A file management device for managing a file accessed by a plurality of users, comprising:

means for processing a file access request from one of said plurality of users;

means for processing a plurality of file attributes;

means for associating a user access right with a date for the file in accordance with said file access request and said plurality of file attributes;

means for storing said user access right associated with said date; and

means for changing automatically said user access right when said date changes.