Package it.unimi.dsi.fastutil.longs

Class LongSets.Singleton

java.lang.Object
java.util.AbstractCollection<java.lang.Long>
it.unimi.dsi.fastutil.longs.AbstractLongCollection
it.unimi.dsi.fastutil.longs.AbstractLongSet
it.unimi.dsi.fastutil.longs.LongSets.Singleton
All Implemented Interfaces:
LongCollection, LongIterable, LongSet, java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<java.lang.Long>, java.util.Collection<java.lang.Long>, java.util.Set<java.lang.Long>
Direct Known Subclasses:
LongSortedSets.Singleton
Enclosing class:
LongSets
public static class LongSets.Singleton
extends AbstractLongSet
implements java.io.Serializable, java.lang.Cloneable
An immutable class representing a type-specific singleton set.

This class may be useful to implement your own in case you subclass a type-specific set.

See Also:
Serialized Form

  • Method Summary

    Modifier and Type Method Description
    boolean addAll​(LongCollection c)
    Adds all elements of the given type-specific collection to this collection.
    boolean addAll​(java.util.Collection<? extends java.lang.Long> c)
    java.lang.Object clone()  
    boolean contains​(long k)
    Returns true if this collection contains the specified element.
    void forEach​(java.util.function.Consumer<? super java.lang.Long> action)
    Deprecated.
    void forEach​(java.util.function.LongConsumer action)
    Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
    LongListIterator iterator()
    Returns a type-specific iterator on the elements of this collection.
    boolean remove​(long k)
    Removes an element from this set.
    boolean removeAll​(LongCollection c)
    Remove from this collection all elements in the given type-specific collection.
    boolean removeAll​(java.util.Collection<?> c)
    boolean removeIf​(java.util.function.LongPredicate filter)
    Remove from this collection all elements which satisfy the given predicate.
    boolean removeIf​(java.util.function.Predicate<? super java.lang.Long> filter)
    Deprecated.
    boolean retainAll​(LongCollection c)
    Retains in this collection only elements from the given type-specific collection.
    boolean retainAll​(java.util.Collection<?> c)
    int size()  
    LongSpliterator spliterator()
    Returns a type-specific spliterator on the elements of this set.
    java.lang.Object[] toArray()
    Deprecated.
    long[] toLongArray()
    Returns a primitive type array containing the items of this collection.

    Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongSet

    equals, hashCode, rem

    Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection

    add, add, contains, containsAll, containsAll, forEach, remove, removeIf, toArray, toLongArray, toString

    Methods inherited from class java.util.AbstractCollection

    clear, isEmpty, toArray

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

    Methods inherited from interface java.util.Collection

    toArray

    Methods inherited from interface it.unimi.dsi.fastutil.longs.LongCollection

    add, containsAll, longIterator, longParallelStream, longSpliterator, longStream, parallelStream, removeIf, stream, toArray, toLongArray

    Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable

    forEach

    Methods inherited from interface it.unimi.dsi.fastutil.longs.LongSet

    add, contains, remove

    Methods inherited from interface java.util.Set

    clear, containsAll, isEmpty, toArray

  • Method Details

    • contains

      public boolean contains​(long k)
      Description copied from class: AbstractLongCollection
      Returns true if this collection contains the specified element.
      Specified by:
      contains in interface LongCollection
      Overrides:
      contains in class AbstractLongCollection
      See Also:
      Collection.contains(Object)

    • remove

      public boolean remove​(long k)
      Description copied from class: AbstractLongSet
      Removes an element from this set. Delegates to the type-specific rem() method implemented by type-specific abstract Collection superclass.
      Specified by:
      remove in interface LongSet
      Overrides:
      remove in class AbstractLongSet
      See Also:
      Collection.remove(Object)

    • iterator

      public LongListIterator iterator()
      Description copied from interface: LongCollection
      Returns a type-specific iterator on the elements of this collection.
      Specified by:
      iterator in interface java.util.Collection<java.lang.Long>
      Specified by:
      iterator in interface java.lang.Iterable<java.lang.Long>
      Specified by:
      iterator in interface LongCollection
      Specified by:
      iterator in interface LongIterable
      Specified by:
      iterator in interface LongSet
      Specified by:
      iterator in interface java.util.Set<java.lang.Long>
      Specified by:
      iterator in class AbstractLongSet
      Returns:
      a type-specific iterator on the elements of this collection.
      See Also:
      Iterable.iterator()

    • spliterator

      public LongSpliterator spliterator()
      Description copied from interface: LongSet
      Returns a type-specific spliterator on the elements of this set.

      Set spliterators must report at least Spliterator.DISTINCT.

      See Set.spliterator() for more documentation on the requirements of the returned spliterator.

      Specified by:
      spliterator in interface java.util.Collection<java.lang.Long>
      Specified by:
      spliterator in interface java.lang.Iterable<java.lang.Long>
      Specified by:
      spliterator in interface LongCollection
      Specified by:
      spliterator in interface LongIterable
      Specified by:
      spliterator in interface LongSet
      Specified by:
      spliterator in interface java.util.Set<java.lang.Long>
      Returns:
      a type-specific spliterator on the elements of this collection.

    • size

      public int size()
      Specified by:
      size in interface java.util.Collection<java.lang.Long>
      Specified by:
      size in interface java.util.Set<java.lang.Long>
      Specified by:
      size in class java.util.AbstractCollection<java.lang.Long>

    • toLongArray

      public long[] toLongArray()
      Description copied from interface: LongCollection
      Returns a primitive type array containing the items of this collection.
      Specified by:
      toLongArray in interface LongCollection
      Overrides:
      toLongArray in class AbstractLongCollection
      Returns:
      a primitive type array containing the items of this collection.
      See Also:
      Collection.toArray()

    • forEach

      @Deprecated public void forEach​(java.util.function.Consumer<? super java.lang.Long> action)
      Deprecated.
      Description copied from interface: LongIterable
      Specified by:
      forEach in interface java.lang.Iterable<java.lang.Long>
      Specified by:
      forEach in interface LongIterable

    • addAll

      public boolean addAll​(java.util.Collection<? extends java.lang.Long> c)
      Description copied from class: AbstractLongCollection
      Specified by:
      addAll in interface java.util.Collection<java.lang.Long>
      Specified by:
      addAll in interface java.util.Set<java.lang.Long>
      Overrides:
      addAll in class AbstractLongCollection

    • removeAll

      public boolean removeAll​(java.util.Collection<?> c)
      Description copied from class: AbstractLongCollection
      Specified by:
      removeAll in interface java.util.Collection<java.lang.Long>
      Specified by:
      removeAll in interface java.util.Set<java.lang.Long>
      Overrides:
      removeAll in class AbstractLongCollection

    • retainAll

      public boolean retainAll​(java.util.Collection<?> c)
      Description copied from class: AbstractLongCollection
      Specified by:
      retainAll in interface java.util.Collection<java.lang.Long>
      Specified by:
      retainAll in interface java.util.Set<java.lang.Long>
      Overrides:
      retainAll in class AbstractLongCollection

    • removeIf

      @Deprecated public boolean removeIf​(java.util.function.Predicate<? super java.lang.Long> filter)
      Deprecated.
      Description copied from interface: LongCollection
      Specified by:
      removeIf in interface java.util.Collection<java.lang.Long>
      Specified by:
      removeIf in interface LongCollection

    • forEach

      public void forEach​(java.util.function.LongConsumer action)
      Description copied from interface: LongIterable
      Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
      Specified by:
      forEach in interface LongIterable
      Parameters:
      action - the action to be performed for each element.
      See Also:
      Iterable.forEach(java.util.function.Consumer)

    • addAll

      public boolean addAll​(LongCollection c)
      Description copied from interface: LongCollection
      Adds all elements of the given type-specific collection to this collection.
      Specified by:
      addAll in interface LongCollection
      Overrides:
      addAll in class AbstractLongCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.addAll(Collection)

    • removeAll

      public boolean removeAll​(LongCollection c)
      Description copied from interface: LongCollection
      Remove from this collection all elements in the given type-specific collection.
      Specified by:
      removeAll in interface LongCollection
      Overrides:
      removeAll in class AbstractLongCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.removeAll(Collection)

    • retainAll

      public boolean retainAll​(LongCollection c)
      Description copied from interface: LongCollection
      Retains in this collection only elements from the given type-specific collection.
      Specified by:
      retainAll in interface LongCollection
      Overrides:
      retainAll in class AbstractLongCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.retainAll(Collection)

    • removeIf

      public boolean removeIf​(java.util.function.LongPredicate filter)
      Description copied from interface: LongCollection
      Remove from this collection all elements which satisfy the given predicate.
      Specified by:
      removeIf in interface LongCollection
      Parameters:
      filter - a predicate which returns true for elements to be removed.
      Returns:
      true if any elements were removed.
      See Also:
      Collection.removeIf(java.util.function.Predicate)

    • toArray

      @Deprecated public java.lang.Object[] toArray()
      Deprecated.
      Specified by:
      toArray in interface java.util.Collection<java.lang.Long>
      Specified by:
      toArray in interface java.util.Set<java.lang.Long>
      Overrides:
      toArray in class java.util.AbstractCollection<java.lang.Long>

    • clone

      public java.lang.Object clone()