This week's book giveaway is in the Kotlin forum.
We're giving away four copies of Kotlin for Android App Development and have Peter Sommerhoff on-line!
See this thread for details.
Win a copy of Kotlin for Android App Development this week in the Kotlin forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Liutauras Vilda
  • Devaka Cooray
  • Jeanne Boyarsky
  • Bear Bibeault
Sheriffs:
  • Junilu Lacar
  • Paul Clapham
  • Knute Snortum
Saloon Keepers:
  • Ron McLeod
  • Tim Moores
  • Stephan van Hulst
  • salvin francis
  • Carey Brown
Bartenders:
  • Tim Holloway
  • Frits Walraven
  • Ganesh Patekar

SecurityException  RSS feed

 
Ranch Hand
Posts: 100
1
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi all,

I'm in the midst of B&S 2.2.1 and have a question about peoples' interpretation of SecurityException.

In the provided DBAccess class the description of SecurityException is...

Throws SecurityException if the record is locked with a cookie other than lockCookie.



...this is fine, although let's take a look at the unlock method. What happens if the record number passed in doesn't represent a locked record?

I know it's a subtle point, but there is a difference between...

i. Record x being locked with cookie y and us trying to unlock it with cookie z.

and

ii. Record x not being locked, but attempted to be unlocked with cookie y.

Does that make sense? What have you guys done about this?

Chris
 
Sheriff
Posts: 11338
178
AngularJS Chrome Eclipse IDE Hibernate Java jQuery MySQL Database Spring Tomcat Server
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi Chris,

I didn't have a lockCookie or SecurityException in the required interface, but this is what I did: trying to unlock a record without having a lock on that record resulted in an IllegalStateException being thrown.

Kind regards,
Roel
 
Chris Bicnal
Ranch Hand
Posts: 100
1
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi Roel,

That's an interesting approach - I think I might adopt a similar approach.

Thanks!

Chris
 
All of the world's problems can be solved in a garden - Geoff Lawton. Tiny ad:
RavenDB is an Open Source NoSQL Database that’s fully transactional (ACID) across your database
https://coderanch.com/t/704633/RavenDB-Open-Source-NoSQL-Database
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
Boost this thread!