9  * by Oracle in the LICENSE 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  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.lang.invoke;
  26 
  27 import java.lang.reflect.Method;
  28 import java.util.Properties;
  29 import sun.hotspot.WhiteBox;
  30 
  31 public class StableConfiguration {
  32     static final WhiteBox WB = WhiteBox.getWhiteBox();
  33     static final boolean isStableEnabled;
  34     static final boolean isServerWithStable;
  35 
  36     static {
  37         Boolean value = WB.getBooleanVMFlag("FoldStableValues");
  38         isStableEnabled = (value == null ? false : value);
  39         isServerWithStable = isStableEnabled && get();
  40         System.out.println("@Stable:         " + (isStableEnabled ? "enabled" : "disabled"));
  41         System.out.println("Server Compiler: " + get());
  42     }
  43 
  44     // ::get() is among immediately compiled methods.
  45     static boolean get() {
  46         try {
  47             Method m = StableConfiguration.class.getDeclaredMethod("get");
  48             int level = WB.getMethodCompilationLevel(m);
  49             if (level > 0) {

   9  * by Oracle in the LICENSE 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  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package java.lang.invoke;
  26 
  27 import java.lang.reflect.Method;
  28 import java.util.Properties;
  29 import jdk.testlib.WhiteBox;
  30 
  31 public class StableConfiguration {
  32     static final WhiteBox WB = WhiteBox.getWhiteBox();
  33     static final boolean isStableEnabled;
  34     static final boolean isServerWithStable;
  35 
  36     static {
  37         Boolean value = WB.getBooleanVMFlag("FoldStableValues");
  38         isStableEnabled = (value == null ? false : value);
  39         isServerWithStable = isStableEnabled && get();
  40         System.out.println("@Stable:         " + (isStableEnabled ? "enabled" : "disabled"));
  41         System.out.println("Server Compiler: " + get());
  42     }
  43 
  44     // ::get() is among immediately compiled methods.
  45     static boolean get() {
  46         try {
  47             Method m = StableConfiguration.class.getDeclaredMethod("get");
  48             int level = WB.getMethodCompilationLevel(m);
  49             if (level > 0) {