Uses of Class
io.netty.buffer.ArrowBuf

Packages that use ArrowBuf

Package	Description
io.netty.buffer
org.apache.arrow.memory	Memory Allocation, Account and Management See the README.md file in this directory for detailed information about Arrow's memory allocation subsystem.
org.apache.arrow.memory.util
org.apache.arrow.memory.util.hash

Uses of ArrowBuf in io.netty.buffer

Methods in io.netty.buffer that return ArrowBuf

Modifier and Type	Method and Description
ArrowBuf	NettyArrowBuf.arrowBuf()
ArrowBuf	ArrowBuf.capacity(int newCapacity) Adjusts the capacity of this buffer.
ArrowBuf	ArrowBuf.clear() Deprecated.
ArrowBuf	ArrowBuf.readerIndex(int readerIndex) Set the reader index for this ArrowBuf.
ArrowBuf	ArrowBuf.reallocIfNeeded(int size) Returns this if size is less then capacity(), otherwise delegates to BufferManager.replace(ArrowBuf, int) to get a new buffer.
ArrowBuf	ArrowBuf.setIndex(int readerIndex, int writerIndex) Deprecated.
ArrowBuf	ArrowBuf.setZero(int index, int length) Zero-out the bytes in this ArrowBuf starting at the given index for the given length.
ArrowBuf	ArrowBuf.slice() Returns a slice of only the readable bytes in the buffer.
ArrowBuf	ArrowBuf.slice(int index, int length) Returns a slice (view) starting at index with the given length.
ArrowBuf	ArrowBuf.writerIndex(int writerIndex) Set the writer index for this ArrowBuf.

Methods in io.netty.buffer with parameters of type ArrowBuf

Modifier and Type	Method and Description
void	ArrowBuf.getBytes(int index, ArrowBuf dst, int dstIndex, int length) Copy a given length of data from this ArrowBuf starting at a given index into a dst ArrowBuf at dstIndex.
void	ArrowBuf.setBytes(int index, ArrowBuf src) Copy readableBytes() number of bytes from src ArrowBuf starting from its readerIndex into this ArrowBuf starting at the given index.
void	ArrowBuf.setBytes(int index, ArrowBuf src, int srcIndex, int length) Copy data from src ArrowBuf starting at index srcIndex into this ArrowBuf at given index.

Constructors in io.netty.buffer with parameters of type ArrowBuf

Constructor and Description
NettyArrowBuf(ArrowBuf arrowBuf, io.netty.buffer.ByteBufAllocator arrowByteBufAllocator, int length) Constructs a new instance.

Uses of ArrowBuf in org.apache.arrow.memory

Fields in org.apache.arrow.memory declared as ArrowBuf

Modifier and Type	Field and Description
ArrowBuf	BufferLedger.TransferResult.buffer

Methods in org.apache.arrow.memory that return ArrowBuf

Modifier and Type	Method and Description
ArrowBuf	BaseAllocator.Reservation.allocateBuffer()
ArrowBuf	AllocationReservation.allocateBuffer() Allocate a buffer whose size is the total of all the add()s made.
ArrowBuf	BufferAllocator.buffer(int size) Allocate a new or reused buffer of the provided size.
ArrowBuf	BaseAllocator.buffer(int initialRequestSize)
ArrowBuf	BufferAllocator.buffer(int size, BufferManager manager) Allocate a new or reused buffer of the provided size.
ArrowBuf	BaseAllocator.buffer(int initialRequestSize, BufferManager manager)
ArrowBuf	ReferenceManager.deriveBuffer(ArrowBuf sourceBuffer, int index, int length) Derive a new ArrowBuf from a given source ArrowBuf.
ArrowBuf	BufferLedger.deriveBuffer(ArrowBuf sourceBuffer, int index, int length) Derive a new ArrowBuf from a given source ArrowBuf.
ArrowBuf	BufferAllocator.getEmpty() Get a reference to the empty buffer associated with this allocator.
ArrowBuf	BaseAllocator.getEmpty()
ArrowBuf	BufferManager.getManagedBuffer() Get a managed buffer of indeterminate size.
ArrowBuf	BufferManager.getManagedBuffer(int size) Get a managed buffer of at least a certain size.
ArrowBuf	OwnershipTransferResult.getTransferredBuffer()
ArrowBuf	OwnershipTransferNOOP.getTransferredBuffer()
ArrowBuf	BufferLedger.TransferResult.getTransferredBuffer()
ArrowBuf	BufferManager.replace(ArrowBuf old, int newSize) Replace an old buffer with a new version at least of the provided size.
ArrowBuf	ReferenceManager.retain(ArrowBuf srcBuffer, BufferAllocator targetAllocator) Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.
ArrowBuf	BufferLedger.retain(ArrowBuf srcBuffer, BufferAllocator target) Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.

Methods in org.apache.arrow.memory with parameters of type ArrowBuf

Modifier and Type	Method and Description
ArrowBuf	ReferenceManager.deriveBuffer(ArrowBuf sourceBuffer, int index, int length) Derive a new ArrowBuf from a given source ArrowBuf.
ArrowBuf	BufferLedger.deriveBuffer(ArrowBuf sourceBuffer, int index, int length) Derive a new ArrowBuf from a given source ArrowBuf.
ArrowBuf	BufferManager.replace(ArrowBuf old, int newSize) Replace an old buffer with a new version at least of the provided size.
ArrowBuf	ReferenceManager.retain(ArrowBuf srcBuffer, BufferAllocator targetAllocator) Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.
ArrowBuf	BufferLedger.retain(ArrowBuf srcBuffer, BufferAllocator target) Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.
OwnershipTransferResult	ReferenceManager.transferOwnership(ArrowBuf sourceBuffer, BufferAllocator targetAllocator) Transfer the memory accounting ownership of this ArrowBuf to another allocator.
BufferLedger.TransferResult	BufferLedger.transferOwnership(ArrowBuf srcBuffer, BufferAllocator target) Transfer the memory accounting ownership of this ArrowBuf to another allocator.

Uses of ArrowBuf in org.apache.arrow.memory.util

Methods in org.apache.arrow.memory.util that return ArrowBuf

Modifier and Type	Method and Description
ArrowBuf	ArrowBufPointer.getBuf() Gets the underlying buffer, or null if the underlying data is invalid or null.

Methods in org.apache.arrow.memory.util with parameters of type ArrowBuf

Modifier and Type	Method and Description
static int	ByteFunctionHelpers.compare(ArrowBuf left, int lStart, int lEnd, ArrowBuf right, int rStart, int rEnd) Helper function to compare a set of bytes in two ArrowBufs.
static int	ByteFunctionHelpers.compare(ArrowBuf left, int lStart, int lEnd, byte[] right, int rStart, int rEnd) Helper function to compare a set of bytes in ArrowBuf to a ByteArray.
static int	ByteFunctionHelpers.equal(ArrowBuf left, int lStart, int lEnd, ArrowBuf right, int rStart, int rEnd) Helper function to check for equality of bytes in two ArrowBufs.
static int	ByteFunctionHelpers.hash(ArrowBuf buf, int start, int end) Compute hashCode with the given ArrowBuf and start/end index.
void	ArrowBufPointer.set(ArrowBuf buf, int offset, int length) Sets this pointer.

Constructors in org.apache.arrow.memory.util with parameters of type ArrowBuf

Constructor and Description
ArrowBufPointer(ArrowBuf buf, int offset, int length) Constructs an Arrow buffer pointer.
ArrowBufPointer(ArrowBuf buf, int offset, int length, ArrowBufHasher hasher) Constructs an Arrow buffer pointer.

Uses of ArrowBuf in org.apache.arrow.memory.util.hash

Methods in org.apache.arrow.memory.util.hash with parameters of type ArrowBuf

Modifier and Type	Method and Description
int	ArrowBufHasher.hashCode(ArrowBuf buf, int offset, int length) Calculates the hash code for a memory region.
int	MurmurHasher.hashCode(ArrowBuf buf, int offset, int length)
int	SimpleHasher.hashCode(ArrowBuf buf, int offset, int length) Calculates the hash code for a memory region.
static int	MurmurHasher.hashCode(ArrowBuf buf, int offset, int length, int seed) Calculates the hash code for a memory region.