MemoryLayoutPREVIEW
StructLayoutPREVIEW
, UnionLayoutPREVIEW
public sealed interface GroupLayout extends MemoryLayoutPREVIEW permits StructLayoutPREVIEW, UnionLayoutPREVIEW
GroupLayout
is a preview API of the Java platform. MemoryLayout.PathElementPREVIEW
Modifier and Type | Method | Description |
---|---|---|
List |
memberLayouts() |
Returns the member layouts of this group layout. |
GroupLayoutPREVIEW |
withByteAlignment |
Returns a memory layout with the same characteristics as this layout, but with the given alignment constraint (in bytes). |
GroupLayoutPREVIEW |
withName |
Returns a memory layout with the same characteristics as this layout, but with the given name. |
GroupLayoutPREVIEW |
withoutName() |
Returns a memory layout with the same characteristics as this layout, but with no name. |
byteAlignment, byteOffset, byteOffsetHandle, byteSize, equals, hashCode, name, select, sliceHandle, toString, varHandle
List<MemoryLayoutPREVIEW> memberLayouts()
MemoryLayout.structLayout(MemoryLayout...)
PREVIEW, MemoryLayout.unionLayout(MemoryLayout...)
PREVIEW).GroupLayoutPREVIEW withName(String name)
withName
in interface MemoryLayoutPREVIEW
name
- the layout name.GroupLayoutPREVIEW withoutName()
withoutName
in interface MemoryLayoutPREVIEW
GroupLayoutPREVIEW withByteAlignment(long byteAlignment)
withByteAlignment
in interface MemoryLayoutPREVIEW
byteAlignment
- the layout alignment constraint, expressed in bytes.IllegalArgumentException
- if byteAlignment
is not a power of two.IllegalArgumentException
- if byteAlignment
is less than M
, where M
is the maximum alignment constraint in any of the member layouts associated with this group layout.
© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/foreign/GroupLayout.html
GroupLayout
when preview features are enabled.