Package com.carrotsearch.hppc
Class CharObjectScatterMap<VType>
java.lang.Object
com.carrotsearch.hppc.CharObjectHashMap<VType>
com.carrotsearch.hppc.CharObjectScatterMap<VType>
- All Implemented Interfaces:
CharObjectAssociativeContainer<VType>
,CharObjectMap<VType>
,Preallocable
,Cloneable
,Iterable<CharObjectCursor<VType>>
@Generated(date="2024-02-21T10:44:44+0000",
value="KTypeVTypeScatterMap.java")
public class CharObjectScatterMap<VType>
extends CharObjectHashMap<VType>
Same as
CharObjectHashMap
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.CharObjectHashMap
CharObjectHashMap.KeysContainer
-
Field Summary
Fields inherited from class com.carrotsearch.hppc.CharObjectHashMap
assigned, hasEmptyKey, keyMixer, keys, loadFactor, mask, orderMixer, resizeAt, values
-
Constructor Summary
ConstructorsConstructorDescriptionNew instance with sane defaults.CharObjectScatterMap
(int expectedElements) New instance with sane defaults.CharObjectScatterMap
(int expectedElements, double loadFactor) New instance with sane defaults. -
Method Summary
Modifier and TypeMethodDescriptionstatic <VType> CharObjectScatterMap
<VType> from
(char[] keys, VType[] values) Creates a hash map from two index-aligned arrays of key-value pairs.protected int
hashKey
(char key) Returns a hash code for the given key.Methods inherited from class com.carrotsearch.hppc.CharObjectHashMap
allocateBuffers, allocateThenInsertThenRehash, clear, clone, containsKey, ensureCapacity, equalElements, equals, forEach, get, getOrDefault, hashCode, indexExists, indexGet, indexInsert, indexOf, indexReplace, isEmpty, iterator, keys, put, putAll, putAll, putIfAbsent, rehash, release, remove, removeAll, removeAll, removeAll, shiftConflictingKeys, size, toString, values, verifyLoadFactor, visualizeKeyDistribution
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface java.lang.Iterable
forEach, spliterator
-
Constructor Details
-
CharObjectScatterMap
public CharObjectScatterMap()New instance with sane defaults. -
CharObjectScatterMap
public CharObjectScatterMap(int expectedElements) New instance with sane defaults. -
CharObjectScatterMap
public CharObjectScatterMap(int expectedElements, double loadFactor) New instance with sane defaults.
-
-
Method Details
-
hashKey
protected int hashKey(char key) Description copied from class:CharObjectHashMap
Returns a hash code for the given key.The default implementation mixes the hash of the key with
CharObjectHashMap.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 classCharObjectHashMap<VType>
-
from
Creates a hash map from two index-aligned arrays of key-value pairs.
-