Class IntScatterSet

java.lang.Object

com.carrotsearch.hppc.IntHashSet

com.carrotsearch.hppc.IntScatterSet

All Implemented Interfaces:

IntCollection, IntContainer, IntLookupContainer, IntSet, Preallocable, Cloneable, Iterable<IntCursor>

@Generated(date="2024-05-16T08:18:11+0000",
           value="KTypeScatterSet.java")
public class IntScatterSet
extends IntHashSet

Same as IntHashSet 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.

See Also:

• IntHashSet
• HPPC interfaces diagram

Nested Class Summary

Nested classes/interfaces inherited from class IntHashSet

IntHashSet.EntryIterator

Field Summary

Fields inherited from class IntHashSet

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
static IntScatterSet	from(int... elements)	Create a set from a variable number of arguments or an array of int.
protected int	hashKey(int key)	Returns a hash code for the given key.
int	removeAll(IntLookupContainer c)	Default implementation uses a predicate for removal.
int	retainAll(IntLookupContainer c)	Default implementation uses a predicate for retaining.
int	retainAll(IntPredicate predicate)	Default implementation redirects to IntCollection.removeAll(IntPredicate) and negates the predicate.
String	toString()	Convert the contents of this container to a human-friendly string.

Methods inherited from class IntHashSet

add, addAll, addAll, addAll, allocateBuffers, allocateThenInsertThenRehash, clear, clone, contains, ensureCapacity, equals, forEach, forEach, hashCode, indexExists, indexGet, indexInsert, indexOf, indexReplace, isEmpty, iterator, rehash, release, remove, removeAll, removeAll, shiftConflictingKeys, size, toArray, verifyLoadFactor, visualizeKeyDistribution

Methods inherited from class Object

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

Methods inherited from interface IntCollection

removeAll, retainAll, retainAll

Methods inherited from interface Iterable

forEach, spliterator

Constructor Details

IntScatterSet

public IntScatterSet()

New instance with sane defaults.

IntScatterSet

public IntScatterSet(int expectedElements)

New instance with sane defaults.

IntScatterSet

public IntScatterSet(int expectedElements,
 double loadFactor)

New instance with sane defaults.

Method Details

hashKey

protected int hashKey(int key)

Description copied from class: IntHashSet

Returns a hash code for the given key. The default implementation mixes the hash of the key with IntHashSet.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 IntHashSet

from

public static IntScatterSet from(int... elements)

Create a set from a variable number of arguments or an array of int. The elements are copied from the argument to the internal buffer.

removeAll

public int removeAll(IntLookupContainer c)

Default implementation uses a predicate for removal.

Specified by:

removeAll in interface IntCollection

Returns:

Returns the number of removed elements.

retainAll

public int retainAll(IntLookupContainer c)

Default implementation uses a predicate for retaining.

Specified by:

retainAll in interface IntCollection

Returns:

Returns the number of removed elements.

retainAll

public int retainAll(IntPredicate predicate)

Default implementation redirects to IntCollection.removeAll(IntPredicate) and negates the predicate.

Specified by:

retainAll in interface IntCollection

Returns:

Returns the number of removed elements.

toString

public String toString()

Convert the contents of this container to a human-friendly string.

Overrides:

toString in class Object