General talk about software patterns

[Allan Halme <allan.halme AT gmail.com>]

For general patterns in environments with memory restrictions, you
might find value in James Noble and Charles Wier's book, Small Memory
Software: Patterns for Limited Memory Systems. (See
http://www.amazon.co.uk/exec/obidos/ASIN/0201596075)

Regards,
allan

On 6/2/05, Siddle, James <james.siddle AT siemens.com> wrote:

Hi,

Firstly, let me introduce myself. I work for Siemens Communications in the UK on a VOIP phone development, and have been interested in patterns for a few years now. My colleagues and myself are currently developing a new software architecture, part of which is the identification and selection of appropriate patterns.

The reason I'm posting today is to ask a question - if this isn't the right place for such questions, any pointers to forums or mailing lists etc where I might be able to find an answer would be appreciated. I haven't been able to find much on the 'net so far that matches what I'm looking for, so any help would be great.

In a nutshell: I'm looking for "Lightweight data management" patterns.

By this, I mean patterns that allow for management of data in an resource restricted, real-time environment. The data may be stored in flat files, or alternatively a lightweight database such as SQLite.

Additionally, a number of data management requirements have been identified - so any patterns you have in mind should ideally not conflict with the following list :-)

- Fast data access
- Single point of access (programmatically)
- Simple, easy to use interface
- Access control
- Data profiles
- Data Location transparency
- Caching
- Change notification / Replication

So far, I've identified a number of potentially applicable patterns:

Proxy (GOF - to control access to data management services)
Observer (GOF - for change notification)
Strategy (GOF - to provide different data access algorithms)
Lookup (POSA 3 - to provide part of location transparency)

So if you are able to add to the list of patterns that we should be considering, please get in touch.

Kind regards,

James Siddle BSc(Hons) CITP
Software Designer

SIEMENS Communications
1st Floor, K-Block
Technology Drive, Beeston, Nottingham, NG9 1LA, England.

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