1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * A value-capable class (VCC) from which HotSpot derives a value 26 * type. The derived value type (DVT) is referred to as 27 * ValueCapableClass2$Value. 28 */ 29 package compiler.valhalla.valuetypes; 30 31 import java.lang.invoke.MethodHandle; 32 import java.lang.invoke.MethodHandles; 33 34 import jdk.incubator.mvt.ValueType; 35 36 @jdk.incubator.mvt.ValueCapableClass 37 public final class ValueCapableClass2 { 38 public final long u; 39 40 public static final MethodHandle FACTORY; 41 static { 42 MethodHandles.Lookup lookup = MethodHandles.lookup(); 43 ValueType<?> VT = ValueType.forClass(ValueCapableClass2.class); 44 try { 45 FACTORY = VT.unreflectWithers(lookup, true, VT.valueFields()); 46 } catch (NoSuchFieldException|IllegalAccessException e) { 47 throw new RuntimeException("method handle lookup fails"); 48 } 49 } 50 51 private ValueCapableClass2(long u) { 52 this.u = u; 53 } 54 55 public static ValueCapableClass2 create(long u) { 56 return new ValueCapableClass2(u); 57 } 58 }