/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.reflect; import java.lang.reflect.*; /** Used only for the first few invocations of a Method; afterward,    switches to bytecode-based implementation */ class NativeMethodAccessorImpl extends MethodAccessorImpl {    private Method method;    private DelegatingMethodAccessorImpl parent;    private int numInvocations;     NativeMethodAccessorImpl(Method method) {        this.method = method;    }     public Object invoke(Object obj, Object[] args)        throws IllegalArgumentException, InvocationTargetException    {        if (++numInvocations > ReflectionFactory.inflationThreshold()) {            MethodAccessorImpl acc = (MethodAccessorImpl)                new MethodAccessorGenerator().                    generateMethod(method.getDeclaringClass(),                                   method.getName(),                                   method.getParameterTypes(),                                   method.getReturnType(),                                   method.getExceptionTypes(),                                   method.getModifiers());            parent.setDelegate(acc);        }         return invoke0(method, obj, args);    }     void setParent(DelegatingMethodAccessorImpl parent) {        this.parent = parent;    }     private static native Object invoke0(Method m, Object obj, Object[] args);}