Method GetEnv

Core/ClientSMLSWIG/Java/JavaCallbackByHand.h:148–165

        }
        
        JNIEnv* GetEnv()
        {
            // We have several options here to get the JNIEnv*.
            // 1) We use the one we were passed originally in the registration call: m_JavaEnv
            // 2) We call m_JavaVM->GetEnv((void**)&penv, JNI_VERSION_1_4) ;
            // 3) We call m_JavaVM->AttachCurrentThread((void**)&penv, 0) ;
            // I think we need to use the 3rd form if we wish to support callbacks on a different thread.
            JNIEnv* penv ;
            int result = m_JavaVM->AttachCurrentThread((void**)&penv, 0) ;
            
            // Error attaching to the VM
            if (result < 0)
            {
                return 0 ;
            }
            
            return penv ;
        }
        
        // We need to clean up the global references that we created earlier
        ~JavaCallbackData()