A First Web Project with Clojure

Last nights GatorJUG prestation on Clojure with Eric Lavigne introduced us to Clojure's language elements. Say your customer, a timeshare company, wanted a new database driven reservation website. Build a case for Clojure and lay out a reasonable architecture, including use of existing Java components and object relational mapping, or not.

Views: 172

Replies to This Discussion

Permalink Reply by Eric Lavigne on January 16, 2010 at 11:19am
If I offered to finish the site in a week, would my client need further justification :-)

A timeshare reservation site would be fairly trivial from a technology perspective. For the web front-end, I would use Compojure, just as I did with the Wari contest. For database access, I would use clojure.contrib.sql, which has the same capabilities as java.sql but without being so incredibly verbose.

Architecture is important for big projects. This isn't a big project.
Permalink Reply by Michael Levin on January 16, 2010 at 12:10pm
So, Eric - can you say a few words about Compojure? Just enough to get us started. And, please point us to a reference. Is clojure.contrib.sql fairly full featured? Can it to stored procs and transactions? What are some of its strengths and limitations? Just a taste...

Eric Lavigne said:
If I offered to finish the site in a week, would my client need further justification :-)

A timeshare reservation site would be fairly trivial from a technology perspective. For the web front-end, I would use Compojure, just as I did with the Wari contest. For database access, I would use clojure.contrib.sql, which has the same capabilities as java.sql but without being so incredibly verbose.

Architecture is important for big projects. This isn't a big project.
Permalink Reply by Eric Lavigne on January 16, 2010 at 12:47pm
Compojure is a web development library with a focus on simple, RESTful applications. This example should give you a feeling for Compojure:

http://en.wikibooks.org/wiki/Compojure/Getting_Started#A_bit_more_v...

And here are some references:

http://en.wikibooks.org/wiki/Compojure/Core_Libraries
http://en.wikibooks.org/wiki/Compojure/Tutorials_and_Tips
http://github.com/weavejester/compojure


You can find some examples of clojure.contrib.sql here:

http://github.com/richhickey/clojure-contrib/blob/master/src/clojur...

And here's a reference:

http://richhickey.github.com/clojure-contrib/sql-api.html

clojure.contrib.sql has transactions and prepared statements. I don't know about stored procedures, since I have never used them in Clojure or Java.

RSS

Happy 10th year, JCertif!

Notes

Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or picture and…
Continue

Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.

Looking for Jobs or Staff?

Check out the Codetown Jobs group.

 

Enjoy the site? Support Codetown with your donation.



InfoQ Reading List

Arm Launches AI-Powered Copilot Assistant to Migrate Workflows to Arm Cloud Compute

At the recent GitHub Universe 2025 developer conference, Arm unveiled the Cloud migration assistant custom agent, a tool designed to help developers automate, optimize, and accelerate the migration of their x86 cloud workflows to Arm infrastructure.

By Sergio De Simone

Presentation: WASM in the Enterprise: Secure, Portable, and Ready for Business

Andrea Peruffo explains the power of server-side WebAssembly, especially on the JVM. Using Red Hat's Chicory runtime, he details how to achieve secure sandboxing, fault isolation, and cross-architecture portability without foreign function interfaces. Learn through case studies how WebAssembly solves real-world enterprise problems, including achieving 10x - 40x speedups with AOT compilation.

By Andrea Peruffo

System Initiative Unveils Expansion with Real-Time Multi-Cloud Discovery and Automation

System Initiative recently announced a major set of new capabilities designed to give engineering organizations instant, real-time visibility and AI-driven control across any cloud platform or API.

By Craig Risi

Memori Expands Into a Full-Scale Memory Layer for AI Agents Across SQL and MongoDB

Memori is an innovative, open-source memory system that empowers AI agents with structured, long-term memory using standard databases like SQL and MongoDB. It seamlessly integrates into existing frameworks, enabling efficient data extraction and retrieval without vendor lock-in. Ideal for developers, Memori's modular design ensures reliability and scalability for next-gen intelligent systems.

By Robert Krzaczyński

How Discord Scaled Its ML Platform from Single-GPU Workflows to a Shared Ray Cluster

Discord has detailed how it rebuilt its machine learning platform after hitting the limits of single-GPU training. The changes enabled daily retrains for large models and contributed to a 200% uplift in a key ads ranking metric.

By Matt Foster

© 2025   Created by Michael Levin.   Powered by

Badges  |  Report an Issue  |  Terms of Service