method.hpp

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#pragma once
 
#include <jni/functions.hpp>
#include <jni/class.hpp>
#include <jni/object.hpp>
#include <jni/type_signature.hpp>
#include <jni/tagging.hpp>
 
namespace jni
   {
    template < class TheTag, class >
    class Method;
 
    template < class TheTag, class R, class... Args >
    class Method< TheTag, R (Args...) >
       {
        private:
            jmethodID& method;
 
        public:
            using TagType = TheTag;
            using MethodType = R (Args...);
            using ReturnType = R;
 
            Method(JNIEnv& env, const Class<TagType>& clazz, const char* name)
              : method(GetMethodID(env, *clazz, name, TypeSignature<R (Args...)>()()))
               {}
 
            operator jmethodID&() const { return method; }
       };
   }