Uses of Interface
org.apache.arrow.memory.BufferAllocator

Packages that use BufferAllocator

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.

Uses of BufferAllocator in io.netty.buffer

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

Constructor and Description
ExpandableByteBuf(io.netty.buffer.ByteBuf buffer, BufferAllocator allocator)

Uses of BufferAllocator in org.apache.arrow.memory

Classes in org.apache.arrow.memory that implement BufferAllocator

Modifier and Type	Class and Description
class	BaseAllocator A base-class that implements all functionality of BufferAllocators.
class	RootAllocator A root allocator for using direct memory for Arrow Vectors/Arrays.

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

Modifier and Type	Method and Description
BufferAllocator	ReferenceManager.getAllocator() Get the buffer allocator associated with this reference manager
BufferAllocator	BufferLedger.getAllocator() Get the buffer allocator associated with this reference manager.
BufferAllocator	AllocationOutcomeDetails.getFailedAllocator() Get the allocator that caused the failure.
BufferAllocator	BufferAllocator.getParentAllocator() Returns the parent allocator.
BufferAllocator	BaseAllocator.getParentAllocator()
BufferAllocator	BufferAllocator.newChildAllocator(String name, AllocationListener listener, long initReservation, long maxAllocation) Create a new child allocator.
BufferAllocator	BaseAllocator.newChildAllocator(String name, AllocationListener listener, long initReservation, long maxAllocation)
BufferAllocator	BufferAllocator.newChildAllocator(String name, long initReservation, long maxAllocation) Create a new child allocator.
BufferAllocator	BaseAllocator.newChildAllocator(String name, long initReservation, long maxAllocation)
BufferAllocator	ArrowByteBufAllocator.unwrap()

Methods in org.apache.arrow.memory that return types with arguments of type BufferAllocator

Modifier and Type	Method and Description
Collection<BufferAllocator>	BufferAllocator.getChildAllocators() Returns the set of child allocators.
Collection<BufferAllocator>	BaseAllocator.getChildAllocators()

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

Modifier and Type	Method and Description
default void	AllocationListener.onChildAdded(BufferAllocator parentAllocator, BufferAllocator childAllocator) Called immediately after a child allocator was added to the parent allocator.
default void	AllocationListener.onChildRemoved(BufferAllocator parentAllocator, BufferAllocator childAllocator) Called immediately after a child allocator was removed from the parent allocator.
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.

Constructors in org.apache.arrow.memory with parameters of type BufferAllocator

Constructor and Description
ArrowByteBufAllocator(BufferAllocator allocator)