On Mon, Jan 5, 2015 at 6:07 PM, luiz americo pereira camara <[email protected]> wrote: > Starting a new thread. > > > 2015-01-05 15:16 GMT-03:00 silvioprog <[email protected]>: >> >> On Mon, Jan 5, 2015 at 12:54 PM, Marco van de Voort <[email protected]> >> wrote: >>> >>> >>> As a first step in the 3.0.0 release process the stable branch was >>> branched >>> off to branches/fixes_3_0 and the version number was updated to 3.0.1 >>> >>> The version in trunk was raised to 3.1.1 >>> >>> Scripts might need modification accordingly. >> >> >> Good news! >> >> Chances of custom attributes[1] (or something like this) in release 3.0? I >> have plans to use IoC[2] and DI using this feature. >> > > I created a IoC Container that can be found at > https://code.google.com/p/luipack/source/browse/trunk/luicomponents/luiioccontainer.pas > . It has no dependencies. > > With it is possible to implement Service Locator and Property Injection > patterns. Constructor Injection is not possible due to lacking of Extended > RTTI support in fpc. > > While the C# crowd praises the Constructor Injection pattern ( > http://www.devtrends.co.uk/blog/how-not-to-do-dependency-injection-the-static-or-singleton-container > ), i had hard times figuring how it would work in real world / Lazarus > projects. Also, polluting the constructor signature is not something that i > like. And finally with Constructor Injection is not possible to use with > TComponent / TForm > > So in the end, i use the service locator and have plans to use Property > Injection pattern > > BTW: Custom Attributes support would help to have a nicer Property Injection > implementation
Interesting. Could you give us some example how this class works? Regards, Marcos Douglas -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
