| /* |
| * Copyright (c) 2005, 2018, 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. |
| * |
| * 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. |
| */ |
| #include <jni.h> |
| #include <stdio.h> |
| |
| JNIEXPORT void JNICALL |
| Java_gc_gctests_nativeGC05_nativeGC05_kickOffRefillers |
| (JNIEnv *env, jobject obj, jobject matrix, jobject stack) { |
| jclass matrixClass, stackClass, pairClass = 0; |
| jmethodID stack_pop_mid, stack_empty_mid, matrix_repopulate_mid, pair_geti_mid = 0, pair_getj_mid = 0; |
| jobject pair; |
| jint i, j; |
| jboolean b; |
| |
| /* Get class objects associated with the objects passed in */ |
| matrixClass = (*env)->GetObjectClass(env, matrix); |
| stackClass = (*env)->GetObjectClass(env, stack); |
| |
| /* GetMethodID's for the pop() and Repopulate() methods */ |
| stack_pop_mid = (*env)->GetMethodID(env, stackClass, "pop", "()Ljava/lang/Object;"); |
| if (stack_pop_mid == 0) { |
| printf("could not get a methodID for Stack::pop()\n"); |
| return; |
| } |
| stack_empty_mid = (*env)->GetMethodID(env, stackClass, "empty", "()Z"); |
| if (stack_empty_mid == 0) { |
| printf("could not get a methodID for Stack::empty()\n"); |
| return; |
| } |
| |
| matrix_repopulate_mid = (*env)->GetMethodID(env, matrixClass, "repopulate", "(II)V"); |
| if (matrix_repopulate_mid == 0) { |
| printf("could not get a methodID for Matrix::repopulate(int, int)\n"); |
| return; |
| } |
| |
| /** b = stack.empty(); */ |
| b = (*env)->CallBooleanMethod(env, stack, stack_empty_mid); |
| while (b == JNI_FALSE) { |
| /** pair = stack.pop() */ |
| pair = (*env)->CallObjectMethod(env, stack, stack_pop_mid); |
| |
| if (pairClass == 0) { |
| pairClass = (*env)->GetObjectClass(env, pair); |
| pair_geti_mid = (*env)->GetMethodID(env, pairClass, "getI", "()I"); |
| if (pair_geti_mid == 0) { |
| printf("could not get a methodID for IndexPair::getI()\n"); |
| return; |
| } |
| pair_getj_mid = (*env)->GetMethodID(env, pairClass, "getJ", "()I"); |
| if (pair_getj_mid == 0) { |
| printf("could not get a methodID for IndexPair::getJ()\n"); |
| return; |
| } |
| } |
| |
| /** i = pair.getI(); */ |
| i = (*env)->CallIntMethod(env, pair, pair_geti_mid); |
| /** j = pair.getJ(); */ |
| j = (*env)->CallIntMethod(env, pair, pair_getj_mid); |
| |
| /* matrix.repopulate(i, j); */ |
| (*env)->CallVoidMethod(env, matrix, matrix_repopulate_mid, i, j); |
| |
| /** b = stack.empty(); */ |
| b = (*env)->CallBooleanMethod(env, stack, stack_empty_mid); |
| } |
| } |