Class OffHeapLongObjectMapImpl<V>

java.lang.Object

express.mvp.roray.utils.collections.OffHeapLongObjectMapImpl<V>

All Implemented Interfaces:

OffHeapLongObjectMap<V>, AutoCloseable

public class OffHeapLongObjectMapImpl<V>
extends Object
implements OffHeapLongObjectMap<V>

A linear-probing, open-addressing hash map with off-heap keys and on-heap values.

Not thread-safe. Designed for single-threaded hot paths.

Constructor Summary

Constructors

Constructor	Description
OffHeapLongObjectMapImpl(int capacity)	Creates a new off-heap long-to-object map with specified capacity.

Method Summary

Modifier and Type	Method	Description
void	clear()
void	close()	Releases the underlying off-heap memory.
boolean	containsKey(long key)
V	get(long key)
boolean	isEmpty()
void	put(long key, V value)
V	remove(long key)
int	size()

Methods inherited from class Object

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

Constructor Details

OffHeapLongObjectMapImpl

public OffHeapLongObjectMapImpl(int capacity)

Creates a new off-heap long-to-object map with specified capacity.

Parameters:

capacity - the capacity (must be a power of 2)

Method Details

get

public V get(long key)

Specified by:

get in interface OffHeapLongObjectMap<V>

put

public void put(long key,
 V value)

Specified by:

put in interface OffHeapLongObjectMap<V>

remove

public V remove(long key)

Specified by:

remove in interface OffHeapLongObjectMap<V>

clear

public void clear()

Specified by:

clear in interface OffHeapLongObjectMap<V>

size

public int size()

Specified by:

size in interface OffHeapLongObjectMap<V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface OffHeapLongObjectMap<V>

containsKey

public boolean containsKey(long key)

Specified by:

containsKey in interface OffHeapLongObjectMap<V>

close

public void close()

Description copied from interface: OffHeapLongObjectMap

Releases the underlying off-heap memory.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface OffHeapLongObjectMap<V>