org.graalvm.collections

Class LockFreePrefixTree.Allocator

java.lang.Object

org.graalvm.collections.LockFreePrefixTree.Allocator

Direct Known Subclasses:

LockFreePrefixTree.HeapAllocator, LockFreePrefixTree.ObjectPoolingAllocator

Enclosing class:

LockFreePrefixTree

public abstract static class LockFreePrefixTree.Allocator
extends Object

Policy for allocating objects of the lock-free prefix tree.

Since:

23.0

Constructor Summary

Constructors

Constructor and Description
Allocator()

Method Summary

Modifier and Type	Method and Description
abstract org.graalvm.collections.LockFreePrefixTree.Node.HashChildren	newHashChildren(int length) Allocates a new reference array of child nodes stored as a hash table.
abstract org.graalvm.collections.LockFreePrefixTree.Node.LinearChildren	newLinearChildren(int length) Allocates a new reference array of child nodes stored linearly.
abstract LockFreePrefixTree.Node	newNode(long key) Allocates a new Node object.
abstract void	shutdown() Releases the allocator's resources.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Allocator

public Allocator()

Method Detail

newNode

public abstract LockFreePrefixTree.Node newNode(long key)

Allocates a new Node object.

Parameters:

key - The key to use for the Node object.

Returns:

A fresh Node object, possibly preallocated.

Throws:

FailedAllocationException - If the allocation request cannot be fulfilled.

Since:

23.0

newLinearChildren

public abstract org.graalvm.collections.LockFreePrefixTree.Node.LinearChildren newLinearChildren(int length)

Allocates a new reference array of child nodes stored linearly.

Parameters:

length - The length of the allocated array.

Returns:

A fresh array, possibly preallocated.

Throws:

FailedAllocationException - If the allocation request cannot be fulfilled.

Since:

23.0

newHashChildren

public abstract org.graalvm.collections.LockFreePrefixTree.Node.HashChildren newHashChildren(int length)

Allocates a new reference array of child nodes stored as a hash table.

Parameters:

length - The length of the allocated array.

Returns:

A fresh array, possibly preallocated.

Throws:

FailedAllocationException - If the allocation request cannot be fulfilled.

Since:

23.0

shutdown

public abstract void shutdown()

Releases the allocator's resources. Allocator should not be used after calling this method.

Since:

23.0