Hotel and training centre, Melksham, Wiltshire
High quality accommodation for course delegates, business travellers and the leisure visitor too.

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Python and Tcl - public course schedule [here]
Private courses on your site - see [here]
Please ask about maintenance training for Perl, PHP, Lua, etc
 
Rooms ready for guests - each time, every time, thanks to good system design

Bedroom 4 - the new bathroomIt's no accident that your room's ready for you when you check in at Well House Manor, and that the bathroom is sparkling.


Bedroom 2And it's no accident that the bed has been remade during the day while you're attending your course or you're out at work or seeing the sights.


State diagram - hotel room management systemOur online systems keep a record of the state of each of our rooms - with the IT systems designed to mirror what happens in real life - here's a state diagram showing what goes on behind the scenes.


There's a huge temptation when you start putting a system together to jump right into the code, but usually that's a big mistake. You should think through your systems - design them such that all the various aspects work and work well together. You'll find that purists point you towards UML - the "Unified Modelling Language" and suggest that you design fully using that. I'm not such a purist - whilst I'm in full support of thoroughly planning and designing before you start coding, you can be too thorough. It's often enough with a smaller system to think of the seven main diagram types and have a strong idea of how each of them will work, without actually committing them to more than sketches on a whiteboard.

The seven diagrams types:
Use Case: What data is stored, how is it provided and who uses it
Class: What classes of objects are used, and how do they inherit from each other
Object: What are the component elements of each object, and how many of each are there.
State: How the state of objects changes as the system runs
Deployment: Backups, Live system, test systems, development systems and tools - how they fit
Sequence: How a transaction is processed through the system - interserver connections, etc
Procedural: Flowcharts of code sections

Illustrations shown are our Well House Manor hotel at Melksham in Wiltshire, where we'll welcome you to learn OO programming (we have a variety of courses - see [here] in Perl, Python, PHP, Ruby, C++ and other languages), or simply to stay to look around in beautiful Wiltshire. We're close to Lacock, Bowood, Bath, Devizes, Bradford-on-Avon and many more lovely places!
(written 2012-08-20, updated 2012-08-25)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
M300 - Well House Manor - Behind the scenes
  [4365] The changing face of Christmas - (2014-12-26)
  [4302] Sunday is never quiet at Well House Manor - (2014-09-21)
  [3961] Well House Staff Party - (2012-12-22)
  [3743] Sunday - no longer a day of rest - (2012-05-28)
  [3093] How many toilet rolls - hotel inventory and useage - (2010-12-18)
  [2961] Initial handling of phone calls and walk in visitors - (2010-09-19)
  [2960] The Well House team - September 2010 - (2010-09-19)
  [2916] Testing the robustness of our hotel and training systems - holiday and sickness times - (2010-08-11)
  [2910] Robust - testing the system - (2010-08-09)
  [2396] Easing off in our 50s? - (2009-09-06)
  [2247] A day in the life of a hotelier - (2009-06-18)
  [2125] We have lost a regular business guest - (2009-04-10)
  [1991] Rules for a King - (2009-01-13)
  [1973] Required Request - (2009-01-03)
  [1957] Why are cooks bad tempered? - (2008-12-22)
  [1948] Blame Culture - (2008-12-17)
  [1904] Ruby, Perl, Linux, MySQL - some training notes - (2008-11-23)
  [1900] Table Topics - (2008-11-22)
  [1854] Three Seasonal Pictures - (2008-10-25)
  [1637] Providing exceptional service - and carrying on doing so. - (2008-05-09)
  [1571] Await guests in the early hours - (2008-03-12)
  [1520] Terms and Conditions - Hotel, England - plain English - (2008-01-26)
  [1515] Keeping staff up to date on hotel room status - (2008-01-22)
  [1490] Software to record day to day events and keep an action list - (2007-12-31)
  [1441] On cancellations, rebooking, and pricing schemes - (2007-11-22)
  [1371] Hotel in Melksham at Christmas - (2007-09-29)
  [1369] One business, four different angles! - (2007-09-28)
  [1319] Customer feedback - lifeblood of a business - (2007-08-25)
  [1311] What do people look for on a hotel web site? - (2007-08-20)
  [1285] In the army, or in civvie street? - (2007-07-31)
  [1189] Meet, greet and welcome - (2007-05-16)
  [1179] Sizing sheets and other domestic issues - (2007-05-07)
  [1159] It can take more that one plus one to get two. - (2007-04-22)
  [1105] A week is a long time in the life of a conference centre - (2007-03-10)
  [1083] Behind the scenes - (2007-02-17)
  [1000] One Thousand Posts and still going strong - (2006-12-18)
  [951] What happened at Geekmas - (2006-11-28)
  [939] Swipe cards for hotel rooms - Security issues - (2006-11-23)
  [931] Before and After - Well House Manor - (2006-11-18)
  [927] Hotel door furniture - (2006-11-15)
  [897] Too much for the National Trust - (2006-10-18)
  [868] Smoking, or no - (2006-09-16)
  [813] Monday Morning at Well House Consultants Melksham - (2006-07-24)
  [769] King Edward VII - days of empire - (2006-06-20)
  [742] A visit from the solicitor - (2006-06-03)
  [677] Sympathetic development - (2006-04-09)
  [203] Holes in on line information - (2005-02-05)

Q907 - Object Orientation and General technical topics - Object Orientation: Design Techniques
  [4628] Associative objects - one object within another. - (2016-01-20)
  [4449] Spike solution, refactoring into encapsulated object methods - good design practise - (2015-03-05)
  [4430] The spirit of Java - delegating to classes - (2015-02-18)
  [4374] Test driven development, and class design, from first principles (using C++) - (2014-12-30)
  [4098] Using object orientation for non-physical objects - (2013-05-22)
  [3978] Teaching OO - how to avoid lots of window switching early on - (2013-01-17)
  [3928] Storing your intermediate data - what format should you you choose? - (2012-11-20)
  [3887] Inheritance, Composition and Associated objects - when to use which - Python example - (2012-10-10)
  [3878] From Structured to Object Oriented Programming. - (2012-10-02)
  [3798] When you should use Object Orientation even in a short program - Python example - (2012-07-06)
  [3763] Spike solutions and refactoring - a Python example - (2012-06-13)
  [3760] Why you should use objects even for short data manipulation programs in Ruby - (2012-06-10)
  [3607] Designing your application - using UML techniques - (2012-02-11)
  [3454] Your PHP website - how to factor and refactor to reduce growing pains - (2011-09-24)
  [3260] Ruby - a training example that puts many language elements together to demonstrate the whole - (2011-04-23)
  [3085] Object Oriented Programming for Structured Programmers - conversion training - (2010-12-14)
  [3063] Comments in and on Perl - a case for extreme OO programming - (2010-11-21)
  [2977] What is a factory method and why use one? - Example in Ruby - (2010-09-30)
  [2953] Turning an exercise into the real thing with extreme programming - (2010-09-11)
  [2889] Should Python classes each be in their own file? - (2010-07-27)
  [2878] Program for reliability and efficiency - do not duplicate, but rather share and re-use - (2010-07-19)
  [2865] Relationships between Java classes - inheritance, packaging and others - (2010-07-10)
  [2785] The Light bulb moment when people see how Object Orientation works in real use - (2010-05-28)
  [2747] Containment, Associative Objects, Inheritance, packages and modules - (2010-04-30)
  [2741] What is a factory? - (2010-04-26)
  [2717] The Multiple Inheritance Conundrum, interfaces and mixins - (2010-04-11)
  [2523] Plan your application before you start - (2009-12-02)
  [2501] Simples - (2009-11-12)
  [2380] Object Oriented programming - a practical design example - (2009-08-27)
  [2327] Planning! - (2009-08-08)
  [2170] Designing a heirarcy of classes - getting inheritance right - (2009-05-11)
  [2169] When should I use OO techniques? - (2009-05-11)
  [1538] Teaching Object Oriented Java with Students and Ice Cream - (2008-02-12)
  [1528] Object Oriented Tcl - (2008-02-02)
  [1435] Object Oriented Programming in Perl - Course - (2007-11-18)
  [1224] Object Relation Mapping (ORM) - (2007-06-09)
  [1217] What are factory and singleton classes? - (2007-06-04)
  [1047] Maintainable code - some positive advice - (2007-01-21)
  [836] Build on what you already have with OO - (2006-08-17)
  [831] Comparison of Object Oriented Philosophy - Python, Java, C++, Perl - (2006-08-13)
  [747] The Fag Packet Design Methodology - (2006-06-06)
  [656] Think about your design even if you don't use full UML - (2006-03-24)
  [534] Design - one name, one action - (2005-12-19)
  [507] Introduction to Object Oriented Programming - (2005-11-27)
  [236] Tapping in on resources - (2005-03-05)
  [80] OO - real benefits - (2004-10-09)


Back to
Caching Design Patterns
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Horse's mouth home
Forward to
Good cause giving - getting the charity beggars off the street
Some other Articles
Where do I find .... (Our hotel FAQ)
The Accidental Hotelier
Signs of Autumn
Good cause giving - getting the charity beggars off the street
Rooms ready for guests - each time, every time, thanks to good system design
Caching Design Patterns
Relax at Well House Manor - gardens, fountain, hotel
Copying, duplicating, cloning an object in PHP
Autoload in PHP
Spraying data from one incoming to series of outgoing files in Perl
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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