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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

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

ValueLayout.OfBooleanPREVIEW, ValueLayout.OfBytePREVIEW, ValueLayout.OfCharPREVIEW, ValueLayout.OfDoublePREVIEW, ValueLayout.OfFloatPREVIEW, ValueLayout.OfIntPREVIEW, ValueLayout.OfLongPREVIEW, ValueLayout.OfShortPREVIEW

Field Summary

Fields declared in interface java.lang.foreign.ValueLayoutPREVIEW

ADDRESS, ADDRESS_UNALIGNED, JAVA_BOOLEAN, JAVA_BYTE, JAVA_CHAR, JAVA_CHAR_UNALIGNED, JAVA_DOUBLE, JAVA_DOUBLE_UNALIGNED, JAVA_FLOAT, JAVA_FLOAT_UNALIGNED, JAVA_INT, JAVA_INT_UNALIGNED, JAVA_LONG, JAVA_LONG_UNALIGNED, JAVA_SHORT, JAVA_SHORT_UNALIGNED

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.MemoryLayoutPREVIEW

byteAlignment, byteOffset, byteOffsetHandle, byteSize, equals, hashCode, name, select, sliceHandle, toString, varHandle

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