extend library to include runtime method/constructor resolution?
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调研方向
从提议的 dispatch(Object object, String methodname, Class<?> argTypes, Object[] args) 入口点以及它预期遵循的 Java Language Specification 15.12 规则开始。研究 java-classmate 当前如何处理成员方法,然后在实现之前定义 subtyping、boxing/unboxing、varargs 和 generics 的范围与完成标准。
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描述
I have this problem I'm trying to solve, namely that I'm doing runtime dispatch:
Object dispatch(Object object, String methodname, Class<?> argTypes, Object[] args);
where I need to lookup the matching public method(s) of object and if there's a single "most specific method" (in the JLS 15.12 sense) then I need to invoke it, otherwise I throw an error.
This is turning out to be rather difficult, and I was surprised that Java doesn't give you any help.
(I asked this question on StackOverflow: http://stackoverflow.com/questions/6021109/java-runtime-method-resolution
and one of the answerers referred me to java-classmate.)
It doesn't look like java-classmate presently helps accomplish this.
Would you be willing to include this in the scope of java-classmate? I have a rudimentary approach for resolving methods, it works OK for subtyping + boxing/unboxing, and I'm still stumbling with varargs, but I haven't even touched generics and that seems like the really hairy bit.
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