1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. The Android Open Source 7 * Project designates this particular file as subject to the "Classpath" 8 * exception as provided by The Android Open Source Project in the LICENSE 9 * file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #ifndef JNI_CONSTANTS_H_included 23 #define JNI_CONSTANTS_H_included 24 25 #include <jni.h> 26 27 /** 28 * A cache to avoid calling FindClass at runtime. 29 */ 30 struct JniConstants { 31 // Initialized cached heap objects. This should be called in JNI_OnLoad. 32 static void Initialize(JNIEnv* env); 33 34 // Invalidate cached heap objects. This should be called in JNI_OnUnload. 35 static void Invalidate(); 36 37 // Gets class representing SocketTagger from cache. 38 static jclass GetSocketTaggerClass(JNIEnv* env); 39 }; 40 41 #endif // JNI_CONSTANTS_H_included 42