Good OO organization os statistics data

[Allan Ebdrup]

Hi
We have a large class library of different classes, now we are going to
implement a lot of usage statistics that we need, stuff like how many times
a user has logged in, how many times a message has been read, how many times
a ad has been shown and so on.
Now I'm wondering what would be a good OO organization of this data, should
the statistics be part of the objects they are for, or should statistics be
seperate.
Perhaps each object could have a statistics property that contains the
different statistics for that object.
How do you organize your statistics for your objects and what are your
experinces with this.

Kind Regards,
Allan Ebdrup

 

[Simon Hart]

Not knowing a great deal about what you are doing, but I would recommend
coding the statistics properties within their designated objects rather than
have them separate.

Simon.

 

[Guest]

I always code metadata as a separate class IF I expecte the metadata to
become complex OR IF I a have a RAD metadata management subsystem (class
library).

The 'IF' separates a tatical code design from a strategic code design.

If the usage statistics become a 'entity unto themselves' then you can
leverage logging, tracing, presentation and other sub-systems/class
libraries. (assuming you have them
or want to build them).

If you are short on time, have just a few statistics or want a fast
prototype you may want to just make the statistics part of the object state.

Shawnk

 

[Steven Cheng[MSFT]]

Hi Allan,

I would prefer Simon's suggestion and put those Simon statistics
properties(methods or fields) into their designated class(as static
members). And only when there are large number of such statistics members
will I consider group them into a separate utility class(which contains
only those static methods or fields ).

Regards,

Steven Cheng
Microsoft Online Community Support


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[Allan Ebdrup]

OK. Thank you all for the feedback.

 

[Steven Cheng[MSFT]]

You're welcome Allan,

Good luck!

Regards,

Steven Cheng
Microsoft Online Community Support


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