1 /* 2 * Copyright (c) 2019, 2023, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 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 26 package java.lang.foreign; 27 28 import jdk.internal.foreign.layout.StructLayoutImpl; 29 import jdk.internal.javac.PreviewFeature; 30 31 /** 32 * A group layout whose member layouts are laid out one after the other. 33 * 34 * @implSpec 35 * Implementing classes are immutable, thread-safe and <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>. 36 * 37 * @since 20 38 */ 39 @PreviewFeature(feature=PreviewFeature.Feature.FOREIGN) 40 public sealed interface StructLayout extends GroupLayout permits StructLayoutImpl { 41 42 /** 43 * {@inheritDoc} 44 */ 45 @Override 46 StructLayout withName(String name); 47 48 /** 49 * {@inheritDoc} 50 */ 51 @Override 52 StructLayout withoutName(); 53 54 /** 55 * {@inheritDoc} 56 * @throws IllegalArgumentException {@inheritDoc} 57 */ 58 @Override 59 StructLayout withByteAlignment(long byteAlignment); 60 }