Index (Arrow Memory - Core 16.1.0 API)

A B C D E F G H I J L M N O P R S T U V W
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form

A

add(int) - Method in interface org.apache.arrow.memory.AllocationReservation: Add to the current reservation.
add(T) - Method in class org.apache.arrow.util.AutoCloseables.RollbackCloseable
addAll(AutoCloseable...) - Method in class org.apache.arrow.util.AutoCloseables.RollbackCloseable: Add all of list to the rollback list.
addAll(Iterable<? extends AutoCloseable>) - Method in class org.apache.arrow.util.AutoCloseables.RollbackCloseable: Add all of list to the rollback list.
all(Collection<? extends AutoCloseable>) - Static method in class org.apache.arrow.util.AutoCloseables: Returns a new AutoCloseable that calls AutoCloseables.close(Iterable) on autoCloseables when close is called.
allocateBuffer() - Method in interface org.apache.arrow.memory.AllocationReservation: Allocate a buffer whose size is the total of all the add()s made.
ALLOCATION_MANAGER_TYPE_ENV_NAME - Static variable in class org.apache.arrow.memory.DefaultAllocationManagerOption: The environmental variable to set the default allocation manager type.
ALLOCATION_MANAGER_TYPE_PROPERTY_NAME - Static variable in class org.apache.arrow.memory.DefaultAllocationManagerOption: The system property to set the default allocation manager type.
AllocationListener - Interface in org.apache.arrow.memory: An allocation listener being notified for allocation/deallocation
AllocationManager - Class in org.apache.arrow.memory: An AllocationManager is the implementation of a physical memory allocation.
AllocationManager(BufferAllocator) - Constructor for class org.apache.arrow.memory.AllocationManager
AllocationManager.Factory - Interface in org.apache.arrow.memory: A factory interface for creating AllocationManager.
AllocationOutcome - Class in org.apache.arrow.memory: Describes the type of outcome that occurred when trying to account for allocation of memory.
AllocationOutcome.Status - Enum in org.apache.arrow.memory: Allocation status code.
AllocationOutcomeDetails - Class in org.apache.arrow.memory: Captures details of allocation for each accountant in the hierarchical chain.
AllocationOutcomeDetails.Entry - Class in org.apache.arrow.memory: Outcome of the allocation request at one accountant in the hierarchy.
AllocationReservation - Interface in org.apache.arrow.memory: Supports cumulative allocation reservation.
AllocatorClosedException - Exception Class in org.apache.arrow.memory: Exception thrown when a closed BufferAllocator is used.
AllocatorClosedException(String) - Constructor for exception class org.apache.arrow.memory.AllocatorClosedException: Constructs a new allocator closed exception with a given message.
ArrowBuf - Class in org.apache.arrow.memory: ArrowBuf serves as a facade over underlying memory by providing several access APIs to read/write data into a chunk of direct memory.
ArrowBuf(ReferenceManager, BufferManager, long, long) - Constructor for class org.apache.arrow.memory.ArrowBuf: Constructs a new ArrowBuf.
ArrowBufHasher - Interface in org.apache.arrow.memory.util.hash: Utility for calculating the hash code for a consecutive memory region.
ArrowBufPointer - Class in org.apache.arrow.memory.util: Pointer to a memory region within an ArrowBuf.
ArrowBufPointer() - Constructor for class org.apache.arrow.memory.util.ArrowBufPointer: The default constructor.
ArrowBufPointer(ArrowBuf, long, long) - Constructor for class org.apache.arrow.memory.util.ArrowBufPointer: Constructs an Arrow buffer pointer.
ArrowBufPointer(ArrowBuf, long, long, ArrowBufHasher) - Constructor for class org.apache.arrow.memory.util.ArrowBufPointer: Constructs an Arrow buffer pointer.
ArrowBufPointer(ArrowBufHasher) - Constructor for class org.apache.arrow.memory.util.ArrowBufPointer: Constructs an arrow buffer pointer with the specified hasher.
asImmutableList(V...) - Static method in class org.apache.arrow.util.Collections2: Copies the values to a new unmodifiable list.
ASSERT_ENABLED - Static variable in class org.apache.arrow.memory.util.AssertionUtil
AssertionUtil - Class in org.apache.arrow.memory.util: Utility class to that provides AssertionUtil.ASSERT_ENABLED constant to determine if assertions are enabled.
assertOpen() - Method in class org.apache.arrow.memory.RootAllocator
assertOpen() - Method in interface org.apache.arrow.memory.BufferAllocator: Asserts (using java assertions) that the provided allocator is currently open.
AutoCloseableLock - Class in org.apache.arrow.memory.util: Simple wrapper class that allows Locks to be released via a try-with-resources block.
AutoCloseableLock(Lock) - Constructor for class org.apache.arrow.memory.util.AutoCloseableLock
AutoCloseables - Class in org.apache.arrow.util: Utilities for AutoCloseable classes.
AutoCloseables.RollbackCloseable - Class in org.apache.arrow.util: A closeable wrapper that will close the underlying closeables if a commit does not occur.

B

BOUNDS_CHECKING_ENABLED - Static variable in class org.apache.arrow.memory.BoundsChecking
BoundsChecking - Class in org.apache.arrow.memory: Configuration class to determine if bounds checking should be turned on or off.
buffer - Variable in class org.apache.arrow.memory.BufferLedger.TransferResult
buffer(long) - Method in class org.apache.arrow.memory.RootAllocator
buffer(long) - Method in interface org.apache.arrow.memory.BufferAllocator: Allocate a new or reused buffer of the provided size.
buffer(long, BufferManager) - Method in class org.apache.arrow.memory.RootAllocator
buffer(long, BufferManager) - Method in interface org.apache.arrow.memory.BufferAllocator: Allocate a new or reused buffer of the provided size.
BufferAllocator - Interface in org.apache.arrow.memory: Wrapper class to deal with byte buffer allocation.
BufferLedger - Class in org.apache.arrow.memory: The reference manager that binds an AllocationManager to BufferAllocator and a set of ArrowBuf.
BufferLedger.TransferResult - Class in org.apache.arrow.memory: The outcome of a Transfer.
BufferManager - Interface in org.apache.arrow.memory: Manages a list of ArrowBufs that can be reallocated as needed.
buildHistory(StringBuilder, boolean) - Method in class org.apache.arrow.memory.util.HistoricalLog: Write the history of this object to the given StringBuilder.
buildHistory(StringBuilder, int, boolean) - Method in class org.apache.arrow.memory.util.HistoricalLog: Build the history and write it to sb.
BYTE_ARRAY_BASE_OFFSET - Static variable in class org.apache.arrow.memory.util.MemoryUtil: The start offset of array data relative to the start address of the array object.
ByteFunctionHelpers - Class in org.apache.arrow.memory.util: Utility methods for memory comparison at a byte level.

C

capacity() - Method in class org.apache.arrow.memory.ArrowBuf
capacity(long) - Method in class org.apache.arrow.memory.ArrowBuf: Adjusts the capacity of this buffer.
capAtMaxInt(long) - Static method in class org.apache.arrow.memory.util.LargeMemoryUtil: Returns a min(Integer.MAX_VALUE, length).
checkArgument(boolean) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, char, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, char, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, char, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, char, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, int, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, int, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, int, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, int, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, long, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, long, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, long, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, long, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object...) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkArgument(boolean, String, Object, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving one or more parameters to the calling method.
checkBytes(long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Allows a function to determine whether not reading a particular string of bytes is valid.
checkedCastToInt(long) - Static method in class org.apache.arrow.memory.util.LargeMemoryUtil: Casts length to an int, but raises an exception the value is outside the range of an int.
checkElementIndex(int, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that index specifies a valid element in an array, list or string of size size.
checkElementIndex(int, int, String) - Static method in class org.apache.arrow.util.Preconditions: Ensures that index specifies a valid element in an array, list or string of size size.
checkNotNull(T) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, char, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, char, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, char, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, char, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, int, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, int, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, int, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, int, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, long, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, long, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, long, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, long, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object...) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkNotNull(T, String, Object, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures that an object reference passed as a parameter to the calling method is not null.
checkPositionIndex(long, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures that index specifies a valid position in an array, list or string of size size.
checkPositionIndex(long, long, String) - Static method in class org.apache.arrow.util.Preconditions: Ensures that index specifies a valid position in an array, list or string of size size.
checkPositionIndexes(int, int, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures that start and end specify a valid positions in an array, list or string of size size, and are in order.
checkState(boolean) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, char, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, char, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, char, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, char, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, int, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, int, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, int, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, int, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, long, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, long, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, long, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, long, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object...) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, char) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, int) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, long) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
checkState(boolean, String, Object, Object, Object, Object) - Static method in class org.apache.arrow.util.Preconditions: Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.
chunkSize - Variable in class org.apache.arrow.memory.rounding.DefaultRoundingPolicy
clear() - Method in class org.apache.arrow.memory.ArrowBuf
clear() - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Removes all elements from this map, leaving it empty.
close() - Method in interface org.apache.arrow.memory.AllocationReservation
close() - Method in class org.apache.arrow.memory.ArrowBuf
close() - Method in class org.apache.arrow.memory.RootAllocator
close() - Method in interface org.apache.arrow.memory.BufferAllocator: Close and release all buffers generated from this buffer pool.
close() - Method in interface org.apache.arrow.memory.BufferManager
close() - Method in class org.apache.arrow.memory.util.AutoCloseableLock
close() - Method in class org.apache.arrow.util.AutoCloseables.RollbackCloseable
close(AutoCloseable...) - Static method in class org.apache.arrow.util.AutoCloseables: Closes all autoCloseables if not null and suppresses subsequent exceptions if more than one.
close(Iterable<? extends AutoCloseable>) - Static method in class org.apache.arrow.util.AutoCloseables: Closes all autoCloseables if not null and suppresses subsequent exceptions if more than one.
close(Iterable<? extends AutoCloseable>...) - Static method in class org.apache.arrow.util.AutoCloseables: Calls AutoCloseables.close(Iterable) on the flattened list of closeables.
close(Throwable, AutoCloseable...) - Static method in class org.apache.arrow.util.AutoCloseables: Closes all autoCloseables if not null and suppresses exceptions by adding them to t.
close(Throwable, Iterable<? extends AutoCloseable>) - Static method in class org.apache.arrow.util.AutoCloseables: Closes all autoCloseables if not null and suppresses exceptions by adding them to t.
closeNoChecked(AutoCloseable) - Static method in class org.apache.arrow.util.AutoCloseables: close() an AutoCloseable without throwing a (checked) Exception.
Collections2 - Class in org.apache.arrow.util: Utility methods for manipulating Collections and their subclasses/implementations.
combineHash(int, int) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Generate a new hashCode with the given current hashCode and new hashCode.
combineHashCode(int, int) - Static method in class org.apache.arrow.memory.util.hash.MurmurHasher: Combine the current hash code and a new int value to calculate a new hash code.
combineHashCode(int, int) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher
commit() - Method in class org.apache.arrow.util.AutoCloseables.RollbackCloseable
CommonUtil - Class in org.apache.arrow.memory.util: Utilities and static methods needed for arrow-memory.
compare(short, short) - Static method in class org.apache.arrow.memory.util.Float16: Compares the two specified half-precision float values.
compare(ArrowBuf, int, int, byte[], int, int) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Helper function to compare a set of bytes in ArrowBuf to a ByteArray.
compare(ArrowBuf, long, long, ArrowBuf, long, long) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Helper function to compare a set of bytes in two ArrowBufs.
compareTo(ArrowBufPointer) - Method in class org.apache.arrow.memory.util.ArrowBufPointer: Compare two arrow buffer pointers.
configBuilder() - Static method in class org.apache.arrow.memory.RootAllocator: Returns a builder class for configuring BaseAllocator's options.
containsKey(K) - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Returns whether this map contains the specified key.
containsValue(V) - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Returns whether this map contains the specified value.
copyMemory(Object, long, Object, long, long) - Static method in class org.apache.arrow.memory.util.MemoryUtil
create(BufferAllocator, long) - Method in interface org.apache.arrow.memory.AllocationManager.Factory: Create an AllocationManager.

D

DEBUG - Static variable in class org.apache.arrow.memory.RootAllocator
DEBUG_ALLOCATOR - Static variable in class org.apache.arrow.memory.RootAllocator
DEBUG_LOG_LENGTH - Static variable in class org.apache.arrow.memory.RootAllocator
DEFAULT_CONFIG - Static variable in class org.apache.arrow.memory.RootAllocator
DEFAULT_ROUNDING_POLICY - Static variable in class org.apache.arrow.memory.rounding.DefaultRoundingPolicy: The singleton instance.
DefaultAllocationManagerOption - Class in org.apache.arrow.memory: A class for choosing the default allocation manager.
DefaultAllocationManagerOption() - Constructor for class org.apache.arrow.memory.DefaultAllocationManagerOption
DefaultAllocationManagerOption.AllocationManagerType - Enum in org.apache.arrow.memory: The allocation manager type.
defaultConfig() - Static method in class org.apache.arrow.memory.RootAllocator: Returns a default BaseAllocator.Config instance.
DefaultRoundingPolicy - Class in org.apache.arrow.memory.rounding: The default rounding policy.
deriveBuffer(ArrowBuf, long, long) - Method in class org.apache.arrow.memory.BufferLedger: Derive a new ArrowBuf from a given source ArrowBuf.
deriveBuffer(ArrowBuf, long, long) - Method in interface org.apache.arrow.memory.ReferenceManager: Derive a new ArrowBuf from a given source ArrowBuf.
directBuffer(long, int) - Static method in class org.apache.arrow.memory.util.MemoryUtil: Create nio byte buffer.

E

empty() - Method in interface org.apache.arrow.memory.AllocationManager.Factory
equal(ArrowBuf, long, long, ArrowBuf, long, long) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Helper function to check for equality of bytes in two ArrowBufs.
equals(Object) - Method in class org.apache.arrow.memory.ArrowBuf
equals(Object) - Method in class org.apache.arrow.memory.util.ArrowBufPointer
equals(Object) - Method in class org.apache.arrow.memory.util.hash.MurmurHasher
equals(Object) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher

F

FAILED_LOCAL - Enum constant in enum org.apache.arrow.memory.AllocationOutcome.Status: Allocation failed because the local allocator's limits were exceeded.
FAILED_PARENT - Enum constant in enum org.apache.arrow.memory.AllocationOutcome.Status: Allocation failed because a parent allocator's limits were exceeded.
finalizeHashCode(int) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher
finalizeHashCode(int, long) - Static method in class org.apache.arrow.memory.util.hash.MurmurHasher: Finalizing the hash code.
Float16 - Class in org.apache.arrow.memory.util: Lifted from Apache Parquet MR project: https://github.com/apache/parquet-mr/blob/e87b80308869b77f914fcfd04364686e11158950/parquet-column/src/main/java/org/apache/parquet/schema/Float16.java Changes made: Modify the data type input from Parquet-MR Binary (toFloat(Binary b)) to Arrow Java short (toFloat(short b)) Expose NAN and POSITIVE_INFINITY variables The class is a utility class to manipulate half-precision 16-bit IEEE 754 floating point data types (also called fp16 or binary16).
Float16() - Constructor for class org.apache.arrow.memory.util.Float16
forceAllocate(long) - Method in class org.apache.arrow.memory.RootAllocator: Increase the accounting.
forceAllocate(long) - Method in interface org.apache.arrow.memory.BufferAllocator: Forcibly allocate bytes.
FORCED_SUCCESS - Enum constant in enum org.apache.arrow.memory.AllocationOutcome.Status: Allocation succeeded but only because the allocator was forced to move beyond a limit.
ForeignAllocation - Class in org.apache.arrow.memory: EXPERIMENTAL: a memory allocation that does not come from a BufferAllocator, but rather an outside source (like JNI).
ForeignAllocation(long, long) - Constructor for class org.apache.arrow.memory.ForeignAllocation: Create a new AllocationManager representing an imported buffer.

G

get(K) - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Returns the value of the mapping with the specified key.
getAccountant() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
getAccountedSize() - Method in class org.apache.arrow.memory.BufferLedger: How much memory is accounted for by this ledger.
getAccountedSize() - Method in interface org.apache.arrow.memory.ReferenceManager: Get the total accounted size (in bytes).
getActualMemoryConsumed() - Method in class org.apache.arrow.memory.ArrowBuf: Return that is Accounted for by this buffer (and its potentially shared siblings within the context of the associated allocator).
getAllocatedMemory() - Method in class org.apache.arrow.memory.RootAllocator: Return the current amount of allocated memory that this Accountant is managing accounting for.
getAllocatedMemory() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the amount of memory currently allocated from this allocator.
getAllocatedSize() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
getAllocationFit() - Method in class org.apache.arrow.memory.BufferLedger.TransferResult
getAllocationFit() - Method in class org.apache.arrow.memory.OwnershipTransferNOOP
getAllocationFit() - Method in interface org.apache.arrow.memory.OwnershipTransferResult
getAllocationManager() - Method in class org.apache.arrow.memory.BufferLedger: Get the AllocationManager used by this BufferLedger.
getAllocator() - Method in class org.apache.arrow.memory.BufferLedger: Get the buffer allocator associated with this reference manager.
getAllocator() - Method in interface org.apache.arrow.memory.ReferenceManager: Get the buffer allocator associated with this reference manager.
getBuf() - Method in class org.apache.arrow.memory.util.ArrowBufPointer: Gets the underlying buffer, or null if the underlying data is invalid or null.
getBuffer() - Method in interface org.apache.arrow.memory.ReusableBuffer: Get the buffer backing this ReusableBuffer.
getByte(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get byte value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getByteBufferAddress(ByteBuffer) - Static method in class org.apache.arrow.memory.util.MemoryUtil: Given a ByteBuffer, gets the address the underlying memory space.
getBytes(long, byte[]) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from this ArrowBuf at a given index in into destination byte array.
getBytes(long, byte[], int, int) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from this ArrowBuf at a given index into destination byte array.
getBytes(long, OutputStream, int) - Method in class org.apache.arrow.memory.ArrowBuf: Copy a certain length of bytes from this ArrowBuf at a given index into the given OutputStream.
getBytes(long, ByteBuffer) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from this ArrowBuf at a given index into the destination ByteBuffer.
getBytes(long, ArrowBuf, long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Copy a given length of data from this ArrowBuf starting at a given index into a dst ArrowBuf at dstIndex.
getChar(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get char value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getChildAllocators() - Method in class org.apache.arrow.memory.RootAllocator
getChildAllocators() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the set of child allocators.
getDefaultAllocationManagerType() - Static method in class org.apache.arrow.memory.DefaultAllocationManagerOption: Returns the default allocation manager type.
getDetails() - Method in class org.apache.arrow.memory.AllocationOutcome: Get additional details of the allocation (like the status at each allocator in the hierarchy).
getDouble(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get double value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getEmpty() - Method in class org.apache.arrow.memory.RootAllocator
getEmpty() - Method in interface org.apache.arrow.memory.BufferAllocator: Get a reference to the empty buffer associated with this allocator.
getFailedAllocator() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails: Get the allocator that caused the failure.
getFloat(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get float value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getHeadroom() - Method in class org.apache.arrow.memory.RootAllocator
getHeadroom() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the amount of memory that can probably be allocated at this moment without exceeding this or any parents allocation maximum.
getId() - Method in class org.apache.arrow.memory.ArrowBuf: Get the integer id assigned to this ArrowBuf for debugging purposes.
getInitReservation() - Method in class org.apache.arrow.memory.RootAllocator: Return the initial reservation.
getInitReservation() - Method in interface org.apache.arrow.memory.BufferAllocator: Return the initial reservation.
getInt(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get int value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getKey() - Method in class org.apache.arrow.memory.BufferLedger
getKey() - Method in interface org.apache.arrow.memory.ValueWithKeyIncluded
getLength() - Method in interface org.apache.arrow.memory.ReusableBuffer: Get the number of valid bytes in the data.
getLength() - Method in class org.apache.arrow.memory.util.ArrowBufPointer
getLimit() - Method in class org.apache.arrow.memory.RootAllocator: Return the current limit of this Accountant.
getLimit() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
getLimit() - Method in interface org.apache.arrow.memory.BufferAllocator: Return the current maximum limit this allocator imposes.
getListener() - Method in class org.apache.arrow.memory.RootAllocator
getListener() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the allocation listener used by this allocator.
getLong(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get long value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getLongHashCode(long) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher
getManagedBuffer() - Method in interface org.apache.arrow.memory.BufferManager: Get a managed buffer of indeterminate size.
getManagedBuffer(long) - Method in interface org.apache.arrow.memory.BufferManager: Get a managed buffer of at least a certain size.
getName() - Method in class org.apache.arrow.memory.RootAllocator
getName() - Method in interface org.apache.arrow.memory.BufferAllocator: Return the name of this allocator.
getNextValue() - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Special API to return next value - substitute of regular Map.values.iterator().next().
getOffset() - Method in class org.apache.arrow.memory.util.ArrowBufPointer
getOutcomeDetails() - Method in exception class org.apache.arrow.memory.OutOfMemoryException
getParentAllocator() - Method in class org.apache.arrow.memory.RootAllocator
getParentAllocator() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the parent allocator.
getPeakMemoryAllocation() - Method in class org.apache.arrow.memory.RootAllocator: The peak memory allocated by this Accountant.
getPeakMemoryAllocation() - Method in interface org.apache.arrow.memory.BufferAllocator: Returns the peak amount of memory allocated from this allocator.
getPossibleMemoryConsumed() - Method in class org.apache.arrow.memory.ArrowBuf: Returns the possible memory consumed by this ArrowBuf in the worse case scenario.
getRefCount() - Method in class org.apache.arrow.memory.BufferLedger: Get this ledger's reference count.
getRefCount() - Method in interface org.apache.arrow.memory.ReferenceManager: Return the reference count.
getReferenceManager() - Method in class org.apache.arrow.memory.ArrowBuf: Get reference manager for this ArrowBuf.
getRequestedSize() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
getRoot() - Method in class org.apache.arrow.memory.RootAllocator
getRoot() - Method in interface org.apache.arrow.memory.BufferAllocator: Get the root allocator of this allocator.
getRoundedSize(long) - Method in class org.apache.arrow.memory.rounding.DefaultRoundingPolicy
getRoundedSize(long) - Method in interface org.apache.arrow.memory.rounding.RoundingPolicy
getRoundedSize(long) - Method in class org.apache.arrow.memory.rounding.SegmentRoundingPolicy
getRoundingPolicy() - Method in class org.apache.arrow.memory.RootAllocator
getRoundingPolicy() - Method in interface org.apache.arrow.memory.BufferAllocator: Gets the rounding policy of the allocator.
getSegmentSize() - Method in class org.apache.arrow.memory.rounding.SegmentRoundingPolicy
getShort(long) - Method in class org.apache.arrow.memory.ArrowBuf: Get short value stored at a particular index in the underlying memory chunk this ArrowBuf has access to.
getSize() - Method in class org.apache.arrow.memory.AllocationManager: Return the size of underlying chunk of memory managed by this Allocation Manager.
getSize() - Method in interface org.apache.arrow.memory.AllocationReservation: Get the current size of the reservation (the sum of all the add()s).
getSize() - Method in class org.apache.arrow.memory.BufferLedger: Total size (in bytes) of memory underlying this reference manager.
getSize() - Method in class org.apache.arrow.memory.ForeignAllocation: Get the size of this allocation.
getSize() - Method in interface org.apache.arrow.memory.ReferenceManager: Total size (in bytes) of memory underlying this reference manager.
getStatus() - Method in class org.apache.arrow.memory.AllocationOutcome: Get the status of the allocation.
getTransferredBuffer() - Method in class org.apache.arrow.memory.BufferLedger.TransferResult
getTransferredBuffer() - Method in class org.apache.arrow.memory.OwnershipTransferNOOP
getTransferredBuffer() - Method in interface org.apache.arrow.memory.OwnershipTransferResult
getUsed() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry

H

hash(ArrowBuf, long, long) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Compute hashCode with the given ArrowBuf and start/end index.
hash(ArrowBufHasher, ArrowBuf, long, long) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Compute hashCode with the given ArrowBufHasher, ArrowBuf and start/end index.
hashCode() - Method in class org.apache.arrow.memory.ArrowBuf
hashCode() - Method in class org.apache.arrow.memory.util.ArrowBufPointer
hashCode() - Method in class org.apache.arrow.memory.util.hash.MurmurHasher
hashCode() - Method in class org.apache.arrow.memory.util.hash.SimpleHasher
hashCode(long, long) - Method in interface org.apache.arrow.memory.util.hash.ArrowBufHasher: Calculates the hash code for a memory region.
hashCode(long, long) - Method in class org.apache.arrow.memory.util.hash.MurmurHasher
hashCode(long, long) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher: Calculates the hash code for a memory region.
hashCode(long, long, int) - Static method in class org.apache.arrow.memory.util.hash.MurmurHasher: Calculates the hash code for a memory region.
hashCode(ArrowBuf, long, long) - Method in interface org.apache.arrow.memory.util.hash.ArrowBufHasher: Calculates the hash code for a memory region.
hashCode(ArrowBuf, long, long) - Method in class org.apache.arrow.memory.util.hash.MurmurHasher
hashCode(ArrowBuf, long, long) - Method in class org.apache.arrow.memory.util.hash.SimpleHasher: Calculates the hash code for a memory region.
hashCode(ArrowBuf, long, long, int) - Static method in class org.apache.arrow.memory.util.hash.MurmurHasher: Calculates the hash code for a memory region.
HistoricalLog - Class in org.apache.arrow.memory.util: Utility class that can be used to log activity within a class for later logging and debugging.
HistoricalLog(int, String, Object...) - Constructor for class org.apache.arrow.memory.util.HistoricalLog: Constructor.
HistoricalLog(String, Object...) - Constructor for class org.apache.arrow.memory.util.HistoricalLog: Constructor.

I

immutableListCopy(List<V>) - Static method in class org.apache.arrow.util.Collections2: Copies the elements of list to a new unmodifiable list.
immutableMapCopy(Map<K, V>) - Static method in class org.apache.arrow.util.Collections2: Copies the elements of map to a new unmodifiable map.
indent(StringBuilder, int) - Static method in class org.apache.arrow.memory.util.CommonUtil: Specify an indentation amount when using a StringBuilder.
INSTANCE - Static variable in class org.apache.arrow.memory.util.hash.SimpleHasher
isAllocationFailed() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
isAssertionsEnabled() - Static method in class org.apache.arrow.memory.util.AssertionUtil
isClosed() - Method in interface org.apache.arrow.memory.AllocationReservation: Return whether or not the reservation has been closed.
isDebug() - Static method in class org.apache.arrow.memory.RootAllocator
isEmpty() - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Returns whether this Map has no elements.
isNaN(short) - Static method in class org.apache.arrow.memory.util.Float16: Returns true if the specified half-precision float value represents a Not-a-Number, false otherwise.
isOk() - Method in class org.apache.arrow.memory.AllocationOutcome: Returns true if the allocation was a success.
isOk() - Method in enum org.apache.arrow.memory.AllocationOutcome.Status
isOverLimit() - Method in class org.apache.arrow.memory.RootAllocator
isOverLimit() - Method in interface org.apache.arrow.memory.BufferAllocator: Return whether or not this allocator (or one if its parents) is over its limits.
isUsed() - Method in interface org.apache.arrow.memory.AllocationReservation: Return whether or not the reservation has been used.
iter(AutoCloseable...) - Static method in class org.apache.arrow.util.AutoCloseables: Converts ac to a Iterable filtering out any null values.

J

java.util.Objects.requireNonNull() - Search tag in class org.apache.arrow.util.Preconditions: Section

L

LargeMemoryUtil - Class in org.apache.arrow.memory.util: Contains utilities for dealing with a 64-bit address base.
LITTLE_ENDIAN - Static variable in class org.apache.arrow.memory.util.MemoryUtil: If the native byte order is little-endian.
logHistory(Logger) - Method in class org.apache.arrow.memory.util.HistoricalLog: Write the history of this object to the given Logger.
LowCostIdentityHashMap<K,V> - Class in org.apache.arrow.memory: Highly specialized IdentityHashMap that implements only partial Map APIs.
LowCostIdentityHashMap() - Constructor for class org.apache.arrow.memory.LowCostIdentityHashMap: Creates a Map with default expected maximum size.
LowCostIdentityHashMap(int) - Constructor for class org.apache.arrow.memory.LowCostIdentityHashMap: Creates a Map with the specified maximum size parameter.

M

memoryAddress() - Method in class org.apache.arrow.memory.AllocationManager: Return the absolute memory address pointing to the fist byte of underlying memory chunk.
memoryAddress() - Method in class org.apache.arrow.memory.ArrowBuf
memoryAddress() - Method in class org.apache.arrow.memory.ForeignAllocation: Get the address of this allocation.
MemoryUtil - Class in org.apache.arrow.memory.util: Utilities for memory related operations.
MIN_SEGMENT_SIZE - Static variable in class org.apache.arrow.memory.rounding.SegmentRoundingPolicy: The minimal segment size.
More information - Search tag in class org.apache.arrow.util.Preconditions: Section
MurmurHasher - Class in org.apache.arrow.memory.util.hash: Implementation of the Murmur hashing algorithm.
MurmurHasher() - Constructor for class org.apache.arrow.memory.util.hash.MurmurHasher: Creates a default Murmur hasher, with seed 0.
MurmurHasher(int) - Constructor for class org.apache.arrow.memory.util.hash.MurmurHasher: Creates a Murmur hasher.

N

NaN - Static variable in class org.apache.arrow.memory.util.Float16
Netty - Enum constant in enum org.apache.arrow.memory.DefaultAllocationManagerOption.AllocationManagerType: Netty based allocation manager.
newChildAllocator(String, long, long) - Method in class org.apache.arrow.memory.RootAllocator
newChildAllocator(String, long, long) - Method in interface org.apache.arrow.memory.BufferAllocator: Create a new child allocator.
newChildAllocator(String, AllocationListener, long, long) - Method in class org.apache.arrow.memory.RootAllocator
newChildAllocator(String, AllocationListener, long, long) - Method in interface org.apache.arrow.memory.BufferAllocator: Create a new child allocator.
newReservation() - Method in class org.apache.arrow.memory.RootAllocator
newReservation() - Method in interface org.apache.arrow.memory.BufferAllocator: Create an allocation reservation.
nextPowerOfTwo(int) - Static method in class org.apache.arrow.memory.util.CommonUtil: Rounds up the provided value to the nearest power of two.
nextPowerOfTwo(long) - Static method in class org.apache.arrow.memory.util.CommonUtil: Rounds up the provided value to the nearest power of two.
nioBuffer() - Method in class org.apache.arrow.memory.ArrowBuf: Make a nio byte buffer from this arrowbuf.
nioBuffer(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Make a nio byte buffer from this ArrowBuf.
NO_OP - Static variable in interface org.apache.arrow.memory.ReferenceManager
NO_OP_ERROR_MESSAGE - Static variable in interface org.apache.arrow.memory.ReferenceManager
Non-preconditions - Search tag in class org.apache.arrow.util.Preconditions: Section
noop() - Static method in class org.apache.arrow.util.AutoCloseables: Get an AutoCloseable that does nothing.
NOOP - Static variable in interface org.apache.arrow.memory.AllocationListener
NULL_HASH_CODE - Static variable in class org.apache.arrow.memory.util.ArrowBufPointer: The hash code when the arrow buffer is null.

O

onAllocation(long) - Method in interface org.apache.arrow.memory.AllocationListener: Called each time a new buffer has been allocated.
onChildAdded(BufferAllocator, BufferAllocator) - Method in interface org.apache.arrow.memory.AllocationListener: Called immediately after a child allocator was added to the parent allocator.
onChildRemoved(BufferAllocator, BufferAllocator) - Method in interface org.apache.arrow.memory.AllocationListener: Called immediately after a child allocator was removed from the parent allocator.
onFailedAllocation(long, AllocationOutcome) - Method in interface org.apache.arrow.memory.AllocationListener: Called whenever an allocation failed, giving the caller a chance to create some space in the allocator (either by freeing some resource, or by changing the limit), and, if successful, allowing the allocator to retry the allocation.
Only %s is supported - Search tag in class org.apache.arrow.util.Preconditions: Section
onPreAllocation(long) - Method in interface org.apache.arrow.memory.AllocationListener: Called each time a new buffer has been requested.
onRelease(long) - Method in interface org.apache.arrow.memory.AllocationListener: Informed each time a buffer is released from allocation.
open() - Method in class org.apache.arrow.memory.util.AutoCloseableLock
order() - Method in class org.apache.arrow.memory.ArrowBuf: Returns the byte order of elements in this buffer.
org.apache.arrow.memory - package org.apache.arrow.memory: Memory Allocation, Accounting and Management.
org.apache.arrow.memory.rounding - package org.apache.arrow.memory.rounding
org.apache.arrow.memory.util - package org.apache.arrow.memory.util
org.apache.arrow.memory.util.hash - package org.apache.arrow.memory.util.hash
org.apache.arrow.util - package org.apache.arrow.util
Other types of preconditions - Search tag in class org.apache.arrow.util.Preconditions: Section
OutOfMemoryException - Exception Class in org.apache.arrow.memory: Indicates memory could not be allocated for Arrow buffers.
OutOfMemoryException() - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OutOfMemoryException(String) - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OutOfMemoryException(String, Throwable) - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OutOfMemoryException(String, Throwable, boolean, boolean) - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OutOfMemoryException(String, Optional<AllocationOutcomeDetails>) - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OutOfMemoryException(Throwable) - Constructor for exception class org.apache.arrow.memory.OutOfMemoryException
OwnershipTransferNOOP - Class in org.apache.arrow.memory: An OwnershipTransferResult indicating no transfer needed.
OwnershipTransferResult - Interface in org.apache.arrow.memory: The result of transferring an ArrowBuf between BufferAllocators.

P

parent - Variable in class org.apache.arrow.memory.RootAllocator: The parent allocator.
POSITIVE_INFINITY - Static variable in class org.apache.arrow.memory.util.Float16
Preconditions - Class in org.apache.arrow.util: Static convenience methods that help a method or constructor check whether it was invoked correctly (whether its preconditions have been met).
print(StringBuilder, int) - Method in class org.apache.arrow.memory.ArrowBuf: Print detailed information of this buffer into sb.
print(StringBuilder, int, BaseAllocator.Verbosity) - Method in class org.apache.arrow.memory.ArrowBuf: Print information of this buffer into sb at the given indentation and verbosity level.
put(V) - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Maps the specified key to the specified value.

R

readableBytes() - Method in class org.apache.arrow.memory.ArrowBuf: Returns the number of bytes still available to read in this buffer.
readByte() - Method in class org.apache.arrow.memory.ArrowBuf: Read the byte at readerIndex.
readBytes(byte[]) - Method in class org.apache.arrow.memory.ArrowBuf: Read dst.length bytes at readerIndex into dst byte array
readerIndex() - Method in class org.apache.arrow.memory.ArrowBuf: Get the index at which the next byte will be read from.
readerIndex(long) - Method in class org.apache.arrow.memory.ArrowBuf: Set the reader index for this ArrowBuf.
reallocIfNeeded(long) - Method in class org.apache.arrow.memory.ArrowBuf: Returns this if size is less than ArrowBuf.capacity(), otherwise delegates to BufferManager.replace(ArrowBuf, long) to get a new buffer.
recordEvent(String, Object...) - Method in class org.apache.arrow.memory.util.HistoricalLog: Record an event.
refCnt() - Method in class org.apache.arrow.memory.ArrowBuf
ReferenceManager - Interface in org.apache.arrow.memory: ReferenceManager is the reference count for one or more allocations.
release() - Method in class org.apache.arrow.memory.BufferLedger: Decrement the ledger's reference count by 1 for the associated underlying memory chunk.
release() - Method in interface org.apache.arrow.memory.ReferenceManager: Decrement this reference manager's reference count by 1 for the associated underlying memory.
release(int) - Method in class org.apache.arrow.memory.BufferLedger: Decrement the ledger's reference count for the associated underlying memory chunk.
release(int) - Method in interface org.apache.arrow.memory.ReferenceManager: Decrement this reference manager's reference count for the associated underlying memory.
release0() - Method in class org.apache.arrow.memory.AllocationManager: Release the underlying memory chunk.
release0() - Method in class org.apache.arrow.memory.ForeignAllocation: Free this allocation.
releaseBytes(long) - Method in class org.apache.arrow.memory.RootAllocator
releaseBytes(long) - Method in interface org.apache.arrow.memory.BufferAllocator: Release bytes from this allocator.
remove(K) - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Removes the mapping with the specified key from this map.
replace(ArrowBuf, long) - Method in interface org.apache.arrow.memory.BufferManager: Replace an old buffer with a new version at least of the provided size.
reservation - Variable in class org.apache.arrow.memory.RootAllocator: The amount of memory reserved for this allocator.
reserve(int) - Method in interface org.apache.arrow.memory.AllocationReservation: Requests a reservation of additional space.
retain() - Method in class org.apache.arrow.memory.BufferLedger: Increment the ledger's reference count for associated underlying memory chunk by 1.
retain() - Method in interface org.apache.arrow.memory.ReferenceManager: Increment this reference manager's reference count by 1 for the associated underlying memory.
retain(int) - Method in class org.apache.arrow.memory.BufferLedger: Increment the ledger's reference count for associated underlying memory chunk by the given amount.
retain(int) - Method in interface org.apache.arrow.memory.ReferenceManager: Increment this reference manager's reference count by a given amount for the associated underlying memory.
retain(ArrowBuf, BufferAllocator) - Method in class org.apache.arrow.memory.BufferLedger: Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.
retain(ArrowBuf, BufferAllocator) - Method in interface org.apache.arrow.memory.ReferenceManager: Create a new ArrowBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting.
ReusableBuffer<T> - Interface in org.apache.arrow.memory: A lightweight, automatically expanding container for holding byte data.
rollbackable(AutoCloseable...) - Static method in class org.apache.arrow.util.AutoCloseables: Creates an AutoCloseables.RollbackCloseable from the given closeables.
RollbackCloseable(AutoCloseable...) - Constructor for class org.apache.arrow.util.AutoCloseables.RollbackCloseable
RootAllocator - Class in org.apache.arrow.memory: A root allocator for using direct memory for Arrow Vectors/Arrays.
RootAllocator() - Constructor for class org.apache.arrow.memory.RootAllocator
RootAllocator(long) - Constructor for class org.apache.arrow.memory.RootAllocator
RootAllocator(AllocationListener, long) - Constructor for class org.apache.arrow.memory.RootAllocator
RootAllocator(AllocationListener, long, RoundingPolicy) - Constructor for class org.apache.arrow.memory.RootAllocator: Constructor.
RootAllocator(BaseAllocator.Config) - Constructor for class org.apache.arrow.memory.RootAllocator
RoundingPolicy - Interface in org.apache.arrow.memory.rounding: The policy for rounding the buffer size, to improve performance and avoid memory fragmentation.

S

SegmentRoundingPolicy - Class in org.apache.arrow.memory.rounding: The rounding policy that each buffer size must a multiple of the segment size.
SegmentRoundingPolicy(int) - Constructor for class org.apache.arrow.memory.rounding.SegmentRoundingPolicy: Constructor for the segment rounding policy.
set(ArrowBuf, long, long) - Method in interface org.apache.arrow.memory.ReusableBuffer: Set the buffer to the contents of the given ArrowBuf.
set(ArrowBuf, long, long) - Method in class org.apache.arrow.memory.util.ArrowBufPointer: Sets this pointer.
setByte(long, byte) - Method in class org.apache.arrow.memory.ArrowBuf: Set byte value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setByte(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Set byte value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setBytes(long, byte[]) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from a given byte array into this ArrowBuf starting at a given index.
setBytes(long, byte[], int, long) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from a given byte array starting at the given source index into this ArrowBuf at a given index.
setBytes(long, InputStream, int) - Method in class org.apache.arrow.memory.ArrowBuf: Copy a certain length of bytes from given InputStream into this ArrowBuf at the provided index.
setBytes(long, ByteBuffer) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data into this ArrowBuf at a given index onwards from a source ByteBuffer.
setBytes(long, ByteBuffer, int, int) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data into this ArrowBuf at a given index onwards from a source ByteBuffer starting at a given srcIndex for a certain length.
setBytes(long, ArrowBuf) - Method in class org.apache.arrow.memory.ArrowBuf: Copy readableBytes() number of bytes from src ArrowBuf starting from its readerIndex into this ArrowBuf starting at the given index.
setBytes(long, ArrowBuf, long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Copy data from src ArrowBuf starting at index srcIndex into this ArrowBuf at given index.
setChar(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Set char value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setDouble(long, double) - Method in class org.apache.arrow.memory.ArrowBuf: Set double value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setFloat(long, float) - Method in class org.apache.arrow.memory.ArrowBuf: Set float value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setInt(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Set int value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setLimit(long) - Method in class org.apache.arrow.memory.RootAllocator: Set the maximum amount of memory that can be allocated in the this Accountant before failing an allocation.
setLimit(long) - Method in interface org.apache.arrow.memory.BufferAllocator: Set the maximum amount of memory this allocator is allowed to allocate.
setLong(long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Set long value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setOne(int, int) - Method in class org.apache.arrow.memory.ArrowBuf: Deprecated.
use ArrowBuf.setOne(long, long) instead.
setOne(long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Sets all bits to one in the specified range.
setShort(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Set short value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setShort(long, short) - Method in class org.apache.arrow.memory.ArrowBuf: Set short value at a particular index in the underlying memory chunk this ArrowBuf has access to.
setZero(long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Zero-out the bytes in this ArrowBuf starting at the given index for the given length.
SimpleHasher - Class in org.apache.arrow.memory.util.hash: A simple hasher that calculates the hash code of integers as is, and does not perform any finalization.
SimpleHasher() - Constructor for class org.apache.arrow.memory.util.hash.SimpleHasher
size() - Method in class org.apache.arrow.memory.LowCostIdentityHashMap: Returns the number of mappings in this Map.
slice() - Method in class org.apache.arrow.memory.ArrowBuf: Returns a slice of only the readable bytes in the buffer.
slice(long, long) - Method in class org.apache.arrow.memory.ArrowBuf: Returns a slice (view) starting at index with the given length.
StackTrace - Class in org.apache.arrow.memory.util: Convenient way of obtaining and manipulating stack traces for debugging.
StackTrace() - Constructor for class org.apache.arrow.memory.util.StackTrace: Constructor.
SUCCESS - Enum constant in enum org.apache.arrow.memory.AllocationOutcome.Status: Allocation succeeded.

T

toFloat(short) - Static method in class org.apache.arrow.memory.util.Float16: Converts the specified half-precision float value into a single-precision float value.
toFloat16(float) - Static method in class org.apache.arrow.memory.util.Float16: Converts the specified single-precision float value into a half-precision float value.
toFloatString(short) - Static method in class org.apache.arrow.memory.util.Float16: Returns a string representation of the specified half-precision float value.
toHexString(long, int) - Method in class org.apache.arrow.memory.ArrowBuf: Return the buffer's byte contents in the form of a hex dump.
toImmutableList(Iterable<T>) - Static method in class org.apache.arrow.util.Collections2: Converts the iterable into a new immutable List.
toList(Iterable<T>) - Static method in class org.apache.arrow.util.Collections2: Converts the iterable into a new List.
toList(Iterator<T>) - Static method in class org.apache.arrow.util.Collections2: Creates a List from the elements remaining in iterator.
toString() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails.Entry
toString() - Method in class org.apache.arrow.memory.AllocationOutcomeDetails
toString() - Method in class org.apache.arrow.memory.ArrowBuf
toString() - Method in class org.apache.arrow.memory.RootAllocator
toString() - Method in class org.apache.arrow.memory.util.StackTrace
toString(Iterator<?>) - Static method in class org.apache.arrow.util.Collections2: Creates a human readable string from the remaining elements in iterator.
toVerboseString() - Method in class org.apache.arrow.memory.RootAllocator: Provide a verbose string of the current allocator state.
toVerboseString() - Method in interface org.apache.arrow.memory.BufferAllocator: Return a verbose string describing this allocator.
transferOwnership(ArrowBuf, BufferAllocator) - Method in class org.apache.arrow.memory.BufferLedger: Transfer the memory accounting ownership of this ArrowBuf to another allocator.
transferOwnership(ArrowBuf, BufferAllocator) - Method in interface org.apache.arrow.memory.ReferenceManager: Duplicate the memory accounting ownership of the backing allocation of the given ArrowBuf in another allocator.

U

Unknown - Enum constant in enum org.apache.arrow.memory.DefaultAllocationManagerOption.AllocationManagerType: Unknown type.
Unsafe - Enum constant in enum org.apache.arrow.memory.DefaultAllocationManagerOption.AllocationManagerType: Unsafe based allocation manager.
UNSAFE - Static variable in class org.apache.arrow.memory.util.MemoryUtil: The unsafe object from which to access the off-heap memory.
unsignedIntCompare(int, int) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers
unsignedLongCompare(long, long) - Static method in class org.apache.arrow.memory.util.ByteFunctionHelpers: Compares the two specified long values, treating them as unsigned values between 0 and 2^64 - 1 inclusive.

V

valueOf(String) - Static method in enum org.apache.arrow.memory.AllocationOutcome.Status: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.arrow.memory.DefaultAllocationManagerOption.AllocationManagerType: Returns the enum constant of this type with the specified name.
values() - Static method in enum org.apache.arrow.memory.AllocationOutcome.Status: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.apache.arrow.memory.DefaultAllocationManagerOption.AllocationManagerType: Returns an array containing the constants of this enum type, in the order they are declared.
ValueWithKeyIncluded<K> - Interface in org.apache.arrow.memory: Helper interface to generify a value to be included in the map where key is part of the value.
verify() - Method in class org.apache.arrow.memory.RootAllocator: Verify the accounting state of the allocation system.
VisibleForTesting - Annotation Type in org.apache.arrow.util: Annotation to indicate a class member or class is visible only for the purposes of testing and otherwise should not be referenced by other classes.

W

Warning about performance - Search tag in class org.apache.arrow.util.Preconditions: Section
wrapForeignAllocation(ForeignAllocation) - Method in class org.apache.arrow.memory.RootAllocator
wrapForeignAllocation(ForeignAllocation) - Method in interface org.apache.arrow.memory.BufferAllocator: EXPERIMENTAL: Wrap an allocation created outside this BufferAllocator.
writableBytes() - Method in class org.apache.arrow.memory.ArrowBuf: Returns the number of bytes still available to write into this buffer before capacity is reached.
writeByte(byte) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided byte value at the writerIndex.
writeByte(int) - Method in class org.apache.arrow.memory.ArrowBuf: Set the lower order byte for the provided value at the writerIndex.
writeBytes(byte[]) - Method in class org.apache.arrow.memory.ArrowBuf: Write the bytes from given byte array into this ArrowBuf starting at writerIndex.
writeBytes(byte[], int, int) - Method in class org.apache.arrow.memory.ArrowBuf: Write the bytes from given byte array starting at srcIndex into this ArrowBuf starting at writerIndex.
writeDouble(double) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided double value at the writerIndex.
writeFloat(float) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided float value at the writerIndex.
writeInt(int) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided int value at the writerIndex.
writeLong(long) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided long value at the writerIndex.
writerIndex() - Method in class org.apache.arrow.memory.ArrowBuf: Get the index at which next byte will be written to.
writerIndex(long) - Method in class org.apache.arrow.memory.ArrowBuf: Set the writer index for this ArrowBuf.
writeShort(int) - Method in class org.apache.arrow.memory.ArrowBuf: Set the provided int value as short at the writerIndex.
writeToBuilder(StringBuilder, int) - Method in class org.apache.arrow.memory.util.StackTrace: Write the stack trace to a StringBuilder.

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