Package org.graalvm.collections

Class LockFreePrefixTree.Node

java.lang.Object

java.lang.Number

java.util.concurrent.atomic.AtomicLong

org.graalvm.collections.LockFreePrefixTree.Node

All Implemented Interfaces:

Serializable

Enclosing class:

LockFreePrefixTree

public static class LockFreePrefixTree.Node
extends AtomicLong

Since:

22.3

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
LockFreePrefixTree.Node	at(LockFreePrefixTree.Allocator allocator, long childKey)	Get existing (or create if missing) child with the given key.
long	bitwiseOrValue(long pattern)	Atomically does the bitwise-or on the current value.
long	incValue()	Increment value.
void	setValue(long value)	Set the value for the LockFreePrefixTree.Node.
String	toString()
long	value()

Methods inherited from class java.util.concurrent.atomic.AtomicLong

accumulateAndGet, addAndGet, compareAndExchange, compareAndExchangeAcquire, compareAndExchangeRelease, compareAndSet, decrementAndGet, doubleValue, floatValue, get, getAcquire, getAndAccumulate, getAndAdd, getAndDecrement, getAndIncrement, getAndSet, getAndUpdate, getOpaque, getPlain, incrementAndGet, intValue, lazySet, longValue, set, setOpaque, setPlain, setRelease, updateAndGet, weakCompareAndSet, weakCompareAndSetAcquire, weakCompareAndSetPlain, weakCompareAndSetRelease, weakCompareAndSetVolatile

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Method Details

value

public long value()

Returns:

The value of the LockFreePrefixTree.Node

Since:

22.3

setValue

public void setValue(long value)

Set the value for the LockFreePrefixTree.Node.

Parameters:

value - the new value.

Since:

22.3

incValue

public long incValue()

Increment value.

Returns:

newly incremented value of the LockFreePrefixTree.Node.

Since:

22.3

bitwiseOrValue

public long bitwiseOrValue(long pattern)

Atomically does the bitwise-or on the current value.

Parameters:

pattern - a bit pattern to do bitwise-or with

Returns:

the value immediately after the bitwise-or operation

Since:

23.0

at

public LockFreePrefixTree.Node at(LockFreePrefixTree.Allocator allocator,
 long childKey)

Get existing (or create if missing) child with the given key. May return null if the operation cannot complete, for example, due to inability to allocate nodes.

Parameters:

childKey - the key of the child.

Returns:

The child with the given childKey, or null if cannot complete.

Since:

22.3

toString

public String toString()

Overrides:

toString in class AtomicLong

Since:

22.3