Package com.carrotsearch.hppc
Class ObjectCharScatterMap<KType>
- java.lang.Object
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- com.carrotsearch.hppc.ObjectCharHashMap<KType>
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- com.carrotsearch.hppc.ObjectCharScatterMap<KType>
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- All Implemented Interfaces:
ObjectCharAssociativeContainer<KType>
,ObjectCharMap<KType>
,Preallocable
,java.lang.Cloneable
,java.lang.Iterable<ObjectCharCursor<KType>>
@Generated(date="2021-05-28T03:45:42+0000", value="KTypeVTypeScatterMap.java") public class ObjectCharScatterMap<KType> extends ObjectCharHashMap<KType>
Same asObjectCharHashMap
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.
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Nested Class Summary
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Nested classes/interfaces inherited from class com.carrotsearch.hppc.ObjectCharHashMap
ObjectCharHashMap.KeysContainer
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Field Summary
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Fields inherited from class com.carrotsearch.hppc.ObjectCharHashMap
assigned, hasEmptyKey, keyMixer, keys, loadFactor, mask, orderMixer, resizeAt, values
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Constructor Summary
Constructors Constructor Description ObjectCharScatterMap()
New instance with sane defaults.ObjectCharScatterMap(int expectedElements)
New instance with sane defaults.ObjectCharScatterMap(int expectedElements, double loadFactor)
New instance with sane defaults.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <KType> ObjectCharScatterMap<KType>
from(KType[] keys, char[] values)
Creates a hash map from two index-aligned arrays of key-value pairs.protected int
hashKey(KType key)
Returns a hash code for the given key.-
Methods inherited from class com.carrotsearch.hppc.ObjectCharHashMap
addTo, allocateBuffers, allocateThenInsertThenRehash, clear, clone, containsKey, ensureCapacity, equalElements, equals, equals, forEach, 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, visualizeKeyDistribution
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Constructor Detail
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ObjectCharScatterMap
public ObjectCharScatterMap()
New instance with sane defaults.
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ObjectCharScatterMap
public ObjectCharScatterMap(int expectedElements)
New instance with sane defaults.
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ObjectCharScatterMap
public ObjectCharScatterMap(int expectedElements, double loadFactor)
New instance with sane defaults.
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Method Detail
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hashKey
protected int hashKey(KType key)
Description copied from class:ObjectCharHashMap
Returns a hash code for the given key.The default implementation mixes the hash of the key with
ObjectCharHashMap.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 classObjectCharHashMap<KType>
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from
public static <KType> ObjectCharScatterMap<KType> from(KType[] keys, char[] values)
Creates a hash map from two index-aligned arrays of key-value pairs.
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