Hi Berin, > -----Original Message----- > From: Berin Loritsch [mailto:[EMAIL PROTECTED]] > Sent: Monday, January 14, 2002 1:09 PM > > > Paulo Gaspar wrote: > > > And Hi again, > > =:o) > >>Well it comes down to what is intended to be pulled out from > the manager. > >>A4CM is intended to be used to pull out services while > A4Context/A5CM is > >>intended to pull out data relevent to specific > >>environment/context/whatever. > >> > > > > Nops. I often pull very life components, like DB connections or > SQL queries > > (we like to put SQL query templates in XML). But I also get strings and > > static lists of records. > > > > For the record, DB Connection Objects && SQL Queries != Component. > The DataSource interface and any implementation can be construed as a > Component, because the interface is intended as an access point to data > (The Connection object). I still do not get the criteria that says that something is a Component or is Service.
> Components should strive to have a simple interface that only > exposes enough > detail for clients to do their job. Of course. I am an adept of minimal interfaces too. > >>In A4CM the string is required to indicate a ROle/interface while in > >>A4Context the key is an object. (In hindsight a free form > string may have > >>been better). > >> > > > > I thought so at first but I find it very practical to do things > like this: > > > > IConverter cvt = ctx.get(IConverter.class); > > > > This gets the type conversion "service" from my context. See? I use the > > context as a ServiceManager! > > =;o) > > > > I still found no problems with this approach. > > > > BTW, What you call a service, we call a Component. ARGH! Again! =:o) So, what is a Service and what is a Component? Is it written somewhere? > -- > > "They that give up essential liberty to obtain a little temporary safety > deserve neither liberty nor safety." > - Benjamin Franklin Yeah! Have fun, Paulo Gaspar -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
