com.carrotsearch.hppc

Class FloatShortScatterMap

java.lang.Object

com.carrotsearch.hppc.FloatShortHashMap

com.carrotsearch.hppc.FloatShortScatterMap

All Implemented Interfaces:

FloatShortAssociativeContainer, FloatShortMap, Preallocable, java.lang.Cloneable, java.lang.Iterable<FloatShortCursor>

@Generated(date="2015-05-05T11:00:03+0200",
           value="KTypeVTypeScatterMap.java")
public class FloatShortScatterMap
extends FloatShortHashMap

Same as FloatShortHashMap but does not implement per-instance key mixing strategy and uses a simpler (faster) bit distribution function.

Note: read about important differences between hash and scatter sets.

Nested Class Summary

Nested classes/interfaces inherited from class com.carrotsearch.hppc.FloatShortHashMap

FloatShortHashMap.KeysContainer

Field Summary

Fields inherited from class com.carrotsearch.hppc.FloatShortHashMap

assigned, hasEmptyKey, keyMixer, keys, loadFactor, mask, orderMixer, resizeAt, values

Constructor Summary

Constructors

Constructor and Description
FloatShortScatterMap() New instance with sane defaults.
FloatShortScatterMap(int expectedElements) New instance with sane defaults.
FloatShortScatterMap(int expectedElements, double loadFactor) New instance with sane defaults.

Method Summary

Modifier and Type	Method and Description
protected int	hashKey(float key) Returns a hash code for the given key.

Methods inherited from class com.carrotsearch.hppc.FloatShortHashMap

addTo, allocateBuffers, allocateThenInsertThenRehash, clear, clone, containsKey, ensureCapacity, equalElements, equals, forEach, forEach, from, get, getOrDefault, hashCode, indexExists, indexGet, indexInsert, indexOf, indexReplace, isEmpty, iterator, keys, put, putAll, putAll, putIfAbsent, putOrAdd, rehash, release, remove, removeAll, removeAll, removeAll, shiftConflictingKeys, size, toString, values, verifyLoadFactor

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

FloatShortScatterMap

public FloatShortScatterMap()

New instance with sane defaults.

FloatShortScatterMap

public FloatShortScatterMap(int expectedElements)

New instance with sane defaults.

FloatShortScatterMap

public FloatShortScatterMap(int expectedElements,
                            double loadFactor)

New instance with sane defaults.

Method Detail

hashKey

protected int hashKey(float key)

Description copied from class: FloatShortHashMap

Returns a hash code for the given key.

The default implementation mixes the hash of the key with FloatShortHashMap.keyMixer to differentiate hash order of keys between hash containers. Helps alleviate problems resulting from linear conflict resolution in open addressing.

The output from this function should evenly distribute keys across the entire integer range.

Overrides:

hashKey in class FloatShortHashMap