de.hybris.platform.util.collections.fast

Class YLongToObjectMap<V>

java.lang.Object

de.hybris.platform.util.collections.fast.YLongToObjectMap<V>

public class YLongToObjectMap<V>
extends java.lang.Object

Map which maps key of primitive type long to value of generic type V.

Constructor Summary

Constructors

Constructor and Description
YLongToObjectMap() Creates an empty map.
YLongToObjectMap(int initialCapacity) Creates an empty map with preallocated space for entries.

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all entries from the map.
boolean	containsKey(long key) Checks whether map contains entry with given key.
void	forEachEntry(YLongAndObjectProcedure<V> procedure) Allows to execute given procedure for all entries in the map.
void	forEachKey(YLongProcedure procedure) Allows to execute given procedure for all keys in the map.
V	get(long key) Gets a value mapped by a given key.
boolean	isEmpty() Checks if the map is empty.
V	put(long key, V value) Puts a mapping between given key and given value to the map.
V	remove(long key) Removes mapping mapped by given key.
int	size() Returns number of entries in the map.

Methods inherited from class java.lang.Object

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

Constructor Detail

YLongToObjectMap

public YLongToObjectMap()

Creates an empty map.

YLongToObjectMap

public YLongToObjectMap(int initialCapacity)

Creates an empty map with preallocated space for entries.

Parameters:

initialCapacity - initial capacity of the map

Method Detail

put

public V put(long key,
             V value)

Puts a mapping between given key and given value to the map.

Parameters:

key - key of the mapping

value - value of the mapping

Returns:

previous value of the key, or null if there was no given key in the map.

get

public V get(long key)

Gets a value mapped by a given key.

Parameters:

key - key of the mapping

Returns:

value associated with given key or null if there is no given key in the map

containsKey

public boolean containsKey(long key)

Checks whether map contains entry with given key.

Parameters:

key - key to check

Returns:

true if map contains mapping with given key, false otherwise

remove

public V remove(long key)

Removes mapping mapped by given key.

Parameters:

key - key of the mapping

Returns:

value of removed key, or null if there was no given key in the map.

clear

public void clear()

Removes all entries from the map.

size

public int size()

Returns number of entries in the map.

Returns:

number of entries in the map

isEmpty

public boolean isEmpty()

Checks if the map is empty.

Returns:

true if the map is empty, false if set contains one or more elements

forEachEntry

public void forEachEntry(YLongAndObjectProcedure<V> procedure)

Allows to execute given procedure for all entries in the map.

Parameters:

procedure - procedure to execute on each entry in the map.

Throws:

java.lang.IllegalArgumentException - if passed procedure is null

forEachKey

public void forEachKey(YLongProcedure procedure)

Allows to execute given procedure for all keys in the map.

Parameters:

procedure - procedure to execute on each key in the map.

Throws:

java.lang.IllegalArgumentException - if passed procedure is null