Uses of Interface
jdk.incubator.foreign.MemoryLayout
Package | Description |
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jdk.incubator.foreign |
Classes to support low-level, safe and efficient memory access.
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Uses of MemoryLayout in jdk.incubator.foreign
Classes in jdk.incubator.foreign that implement MemoryLayout Modifier and Type Class Description class
GroupLayout
A group layout is used to combine together multiple member layouts.class
SequenceLayout
A sequence layout.class
ValueLayout
A value layout.Fields in jdk.incubator.foreign declared as MemoryLayout Modifier and Type Field Description static MemoryLayout
MemoryLayouts. PAD_16
A padding layout constant with size of two bytes.static MemoryLayout
MemoryLayouts. PAD_32
A padding layout constant with size of four bytes.static MemoryLayout
MemoryLayouts. PAD_64
A padding layout constant with size of eight bytes.static MemoryLayout
MemoryLayouts. PAD_8
A padding layout constant with size of one byte.Methods in jdk.incubator.foreign that return MemoryLayout Modifier and Type Method Description MemoryLayout
SequenceLayout. elementLayout()
Returns the element layout associated with this sequence layout.default MemoryLayout
MemoryLayout. map(UnaryOperator<MemoryLayout> op, MemoryLayout.PathElement... elements)
Creates a transformed copy of this layout where a selected layout, from a path rooted in this layout, is replaced with the result of applying the given operation.static MemoryLayout
MemoryLayout. ofPaddingBits(long size)
Create a new padding layout with given size.default MemoryLayout
MemoryLayout. select(MemoryLayout.PathElement... elements)
Selects the layout from a path rooted in this layout.MemoryLayout
MemoryLayout. withBitAlignment(long bitAlignment)
Creates a new layout which features the desired alignment constraint.MemoryLayout
MemoryLayout. withName(String name)
Creates a new layout which features the desired layout name.Methods in jdk.incubator.foreign that return types with arguments of type MemoryLayout Modifier and Type Method Description Optional<? extends DynamicConstantDesc<? extends MemoryLayout>>
MemoryLayout. describeConstable()
List<MemoryLayout>
GroupLayout. memberLayouts()
Returns the member layouts associated with this group.Methods in jdk.incubator.foreign with parameters of type MemoryLayout Modifier and Type Method Description static MemorySegment
MemorySegment. allocateNative(MemoryLayout layout)
Creates a new native memory segment that models a newly allocated block of off-heap memory with given layout.static SequenceLayout
MemoryLayout. ofSequence(long elementCount, MemoryLayout elementLayout)
Create a new sequence layout with given element layout and element count.static SequenceLayout
MemoryLayout. ofSequence(MemoryLayout elementLayout)
Create a new sequence layout, with unbounded element count and given element layout.static GroupLayout
MemoryLayout. ofStruct(MemoryLayout... elements)
Create a new struct group layout with given member layouts.static GroupLayout
MemoryLayout. ofUnion(MemoryLayout... elements)
Create a new union group layout with given member layouts.Method parameters in jdk.incubator.foreign with type arguments of type MemoryLayout Modifier and Type Method Description default MemoryLayout
MemoryLayout. map(UnaryOperator<MemoryLayout> op, MemoryLayout.PathElement... elements)
Creates a transformed copy of this layout where a selected layout, from a path rooted in this layout, is replaced with the result of applying the given operation.