On Dec 2, 8:15 pm, lazy1 <miki.teb...@gmail.com> wrote:
> Hello,
>
> I'm trying to create a "factory" method for Java classes, however I'm
> doing something wrong.
>
> (import '(java.util Dictionary HashMap))
>
> (def *containers* { :dict Dictionary :hash HashMap})
> (defn new-container
> [type]
> (new (*containers* type)))
>
> (def d (new-container :dict))
>
> The above gives me
> Exception in thread "main" java.lang.IllegalArgumentException: Unable
> to resolve classname: (*containers* type) (t.clj:6)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:4599)
> at clojure.lang.Compiler.analyze(Compiler.java:4405)
> at clojure.lang.Compiler.analyze(Compiler.java:4366)
> at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:3942)
> at clojure.lang.Compiler$FnMethod.parse(Compiler.java:3777)
> at clojure.lang.Compiler$FnMethod.access$1100(Compiler.java:3654)
> at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3024)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:4590)
> at clojure.lang.Compiler.analyze(Compiler.java:4405)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:4580)
> at clojure.lang.Compiler.analyze(Compiler.java:4405)
> at clojure.lang.Compiler.access$100(Compiler.java:35)
> at clojure.lang.Compiler$DefExpr$Parser.parse(Compiler.java:373)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:4592)
> at clojure.lang.Compiler.analyze(Compiler.java:4405)
> at clojure.lang.Compiler.analyze(Compiler.java:4366)
> at clojure.lang.Compiler.eval(Compiler.java:4646)
> at clojure.lang.Compiler.load(Compiler.java:4972)
> at clojure.lang.Compiler.loadFile(Compiler.java:4939)
> at clojure.main$load_script__7423.invoke(main.clj:211)
> at clojure.main$script_opt__7460.invoke(main.clj:263)
> at clojure.main$main__7484.doInvoke(main.clj:338)
> at clojure.lang.RestFn.invoke(RestFn.java:413)
> at clojure.lang.Var.invoke(Var.java:359)
> at clojure.lang.AFn.applyToHelper(AFn.java:173)
> at clojure.lang.Var.applyTo(Var.java:476)
> at clojure.main.main(main.java:37)
> Caused by: java.lang.IllegalArgumentException: Unable to resolve
> classname: (*containers* type)
> at clojure.lang.Compiler$NewExpr$Parser.parse(Compiler.java:2243)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:4592)
> ... 26 more
>
> What is the right way to do this?
>
> Thanks,
> --
> Miki
What Mike said. Also, you might not even need to nor want to. There
may be a better option given a bit more info.
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