CA2185439A1 - Apparatus and method for storing diagram data - Google Patents

Apparatus and method for storing diagram data

Info

Publication number
CA2185439A1
CA2185439A1 CA2185439A CA2185439A CA2185439A1 CA 2185439 A1 CA2185439 A1 CA 2185439A1 CA 2185439 A CA2185439 A CA 2185439A CA 2185439 A CA2185439 A CA 2185439A CA 2185439 A1 CA2185439 A1 CA 2185439A1
Authority
CA
Canada
Prior art keywords
instance
object class
software object
data
diagram
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2185439A
Other languages
French (fr)
Other versions
CA2185439C (en
Inventor
Paul Anthony Putland
Peter John Skevington
Ian David Edmund Videlo
John Peter Wittgreffe
Martin John Yates
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2185439A1 publication Critical patent/CA2185439A1/en
Application granted granted Critical
Publication of CA2185439C publication Critical patent/CA2185439C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28—Databases characterised by their database models, e.g. relational or object models
    • G06F16/289—Object oriented databases

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

An apparatus for storing data for use in displaying diagrams comprises a computer and a file server. Each diagram includes boxes and flow lines connecting the boxes. The software includes a database and a main program which is responsible for storing and retrieving diagram data as well as performing predetermined operations on the data. In the database, data describing a box is stored as an instance of a first software object class, data describing a flow line is stored as an instance of a second software object class, general data relating to a diagram is stored as an instance of a third software object class, and data describing the location of each entity (box or flow line) on a diagram is stored as an instance of a fourth software object class. Each instance of the fourth software object class includes a pointer to the instance of the third software object class which contains general data for the diagram and also to a pointer to the instance of the first or second software object class which describe the entity.
CA002185439A 1994-03-28 1995-03-22 Apparatus and method for storing diagram data Expired - Fee Related CA2185439C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP94302210.3 1994-03-28
EP94302210 1994-03-28
PCT/GB1995/000631 WO1995026532A1 (en) 1994-03-28 1995-03-22 Apparatus and method for storing diagram data

Publications (2)

Publication Number Publication Date
CA2185439A1 true CA2185439A1 (en) 1995-10-05
CA2185439C CA2185439C (en) 2000-08-22

Family

ID=8217625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002185439A Expired - Fee Related CA2185439C (en) 1994-03-28 1995-03-22 Apparatus and method for storing diagram data

Country Status (5)

Country Link
EP (1) EP0753177A1 (en)
JP (1) JPH09511348A (en)
AU (1) AU1954695A (en)
CA (1) CA2185439C (en)
WO (1) WO1995026532A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG75807A1 (en) 1996-01-11 2000-10-24 Sony Corp Signal transmitting method and apparatus
US5884315A (en) * 1996-05-09 1999-03-16 Philips Electronics North America Corporation System and method for handling technical hardware related information
GB2353613A (en) * 1999-08-24 2001-02-28 Quality Systems & Software Ltd Information processor stores information objects and associated attributes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6381574A (en) * 1986-09-25 1988-04-12 Toshiba Corp Graphic data base input device
EP0415796A3 (en) * 1989-08-31 1992-03-11 Xerox Corporation Graphics user interface

Also Published As

Publication number Publication date
CA2185439C (en) 2000-08-22
AU1954695A (en) 1995-10-17
WO1995026532A1 (en) 1995-10-05
JPH09511348A (en) 1997-11-11
EP0753177A1 (en) 1997-01-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed