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/OpenJDK 21

Interface ValueLayout.OfLong

All Superinterfaces:
MemoryLayoutPREVIEW, ValueLayoutPREVIEW
Enclosing interface:
ValueLayoutPREVIEW
public static sealed interface ValueLayout.OfLong extends ValueLayoutPREVIEW
OfLong is a preview API of the Java platform.
Programs can only use OfLong when preview features are enabled.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
A value layout whose carrier is long.class.
Since:
19
See Also:

Nested Class Summary

Nested classes/interfaces declared in interface java.lang.foreign.MemoryLayoutPREVIEW

MemoryLayout.PathElementPREVIEW

Field Summary

Method Summary

Modifier and Type Method Description
ValueLayout.OfLongPREVIEW withByteAlignment(long byteAlignment)
Returns a memory layout with the same characteristics as this layout, but with the given alignment constraint (in bytes).
ValueLayout.OfLongPREVIEW withName(String name)
Returns a memory layout with the same characteristics as this layout, but with the given name.
ValueLayout.OfLongPREVIEW withOrder(ByteOrder order)
Returns a value layout with the same characteristics as this layout, but with the given byte order.
ValueLayout.OfLongPREVIEW withoutName()
Returns a memory layout with the same characteristics as this layout, but with no name.

Methods declared in interface java.lang.foreign.ValueLayoutPREVIEW

arrayElementVarHandle, carrier, order

Method Details

withName

ValueLayout.OfLongPREVIEW withName(String name)
Returns a memory layout with the same characteristics as this layout, but with the given name.
Specified by:
withName in interface MemoryLayoutPREVIEW
Specified by:
withName in interface ValueLayoutPREVIEW
Parameters:
name - the layout name.
Returns:
a memory layout with the same characteristics as this layout, but with the given name
See Also:

withoutName

ValueLayout.OfLongPREVIEW withoutName()
Returns a memory layout with the same characteristics as this layout, but with no name.
Specified by:
withoutName in interface MemoryLayoutPREVIEW
Specified by:
withoutName in interface ValueLayoutPREVIEW
Returns:
a memory layout with the same characteristics as this layout, but with no name
See Also:

withByteAlignment

ValueLayout.OfLongPREVIEW withByteAlignment(long byteAlignment)
Returns a memory layout with the same characteristics as this layout, but with the given alignment constraint (in bytes).
Specified by:
withByteAlignment in interface MemoryLayoutPREVIEW
Specified by:
withByteAlignment in interface ValueLayoutPREVIEW
Parameters:
byteAlignment - the layout alignment constraint, expressed in bytes.
Returns:
a memory layout with the same characteristics as this layout, but with the given alignment constraint (in bytes)
Throws:
IllegalArgumentException - if byteAlignment is not a power of two.

withOrder

ValueLayout.OfLongPREVIEW withOrder(ByteOrder order)
Returns a value layout with the same characteristics as this layout, but with the given byte order.
Specified by:
withOrder in interface ValueLayoutPREVIEW
Parameters:
order - the desired byte order.
Returns:
a value layout with the same characteristics as this layout, but with the given byte order

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/foreign/ValueLayout.OfLong.html