Hi James! You're right I wrote a lot about the relation between "component definition", "update-system fn" and "system customization" but very little about BigBang...
Basically with the minimal code provided <https://github.com/milesian/BigBang/blob/master/src/milesian/bigbang.clj> (only 11LOC) I tried to highlight the difference between an *"updated system"* and a *"started system"* (an updated system using component/start fn). A "started system" can only use those update(s)-system that happen "*before start *(update-system % component/start)*"* or "*before getting out of start function invocation *(update-system % #(comp fn4 fn3 component/start fn2 fn1))." And taking into account that all update-system functions receive and return the component, we can derive that all before update(s)-system functions can be compose in the last one *(update-system % #(comp ... fn6 fn5 *fn4 fn3 component/start fn2 fn1* fn0 fn-1 fn-2 fn-3 ... ))* BigBang only adds 2 keywords *:before-start :after-start* and lets you think and write your update(s)-actions with more clarity (and you can reuse them better too) You can check this example code with different started system actions and results https://github.com/milesian/bigbang-example/blob/master/src/bigbang_example/core.clj And if you look at the "decomplected" actions (identity <https://github.com/milesian/identity/blob/master/src/milesian/identity.clj> , aop <https://github.com/milesian/aop/blob/master/src/milesian/aop.clj>, co-dependency <https://github.com/tangrammer/co-dependency/blob/master/src/tangrammer/component/co_dependency.clj#L37-L50>) you can realise that they are really minimal and simple So summarising, BigBang easy you to write better your stuartsierra system customization code I hope that this explanation helped you :) Thanks a lot for your review! Juan El viernes, 12 de diciembre de 2014 00:42:12 UTC+1, James Reeves escribió: > > I've read through the README, but I still don't feel like I understand > what problem this library is trying to solve. > > Could you perhaps provide an example of something that's hard to do with > just Component, and easy to do with BigBang? > > - James > > On 11 December 2014 at 17:31, JUAN ANTONIO Ruz <juanant...@gmail.com > <javascript:>> wrote: > >> Hi folks, >> I wanted to share here BigBang, my library proposal in customization the >> way stuartsierra/component system starts. >> >> I'll copy here "*Why did I write this library*?" >> >> After trying to get working Aspect Oriented Programming and Reverse >> Dependency Injection in stuartuartsierra/component systems I realized that >> system customization topic wasn't treated as it deserved >> >> Once I wrote this BigBang lib, my previous tries (AOP >> <https://github.com/milesian/aop> and co-dependency >> <https://github.com/tangrammer/co-dependency>) come up with more better >> design, indeed this BigBang library is basically a very tiny and simple >> pattern, but very useful :) >> >> I think can be interesting to get a read to this README >> <https://github.com/milesian/BigBang/blob/master/README.md> because >> besides presenting my solution pattern, I tried to highlight and review >> very basic and important topics as can be "what is a component?" or "how >> does your system start?" >> >> Hope you enjoy it! >> >> https://github.com/milesian/BigBang >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Clojure" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
