Package it.unimi.dsi.fastutil.longs
Class LongCollections.EmptyCollection
- java.lang.Object
-
- java.util.AbstractCollection<java.lang.Long>
-
- it.unimi.dsi.fastutil.longs.AbstractLongCollection
-
- it.unimi.dsi.fastutil.longs.LongCollections.EmptyCollection
-
- All Implemented Interfaces:
LongCollection,LongIterable,java.lang.Iterable<java.lang.Long>,java.util.Collection<java.lang.Long>
- Direct Known Subclasses:
LongBigLists.EmptyBigList,LongLists.EmptyList,LongSets.EmptySet
- Enclosing class:
- LongCollections
public abstract static class LongCollections.EmptyCollection extends AbstractLongCollection
An immutable class representing an empty type-specific collection.This class may be useful to implement your own in case you subclass a type-specific collection.
-
-
Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description booleanaddAll(LongCollection c)Adds all elements of the given type-specific collection to this collection.booleanaddAll(java.util.Collection<? extends java.lang.Long> c)voidclear()booleancontains(long k)Returnstrueif this collection contains the specified element.booleancontainsAll(LongCollection c)Checks whether this collection contains all elements from the given type-specific collection.booleancontainsAll(java.util.Collection<?> c)booleanequals(java.lang.Object o)voidforEach(java.util.function.Consumer<? super java.lang.Long> action)Deprecated.voidforEach(java.util.function.LongConsumer action)Performs the given action for each element of this type-specificIterableuntil all elements have been processed or the action throws an exception.inthashCode()LongBidirectionalIteratoriterator()Returns a type-specific iterator on the elements of this collection.booleanremoveAll(LongCollection c)Remove from this collection all elements in the given type-specific collection.booleanremoveAll(java.util.Collection<?> c)booleanremoveIf(java.util.function.LongPredicate filter)Remove from this collection all elements which satisfy the given predicate.booleanremoveIf(java.util.function.Predicate<? super java.lang.Long> filter)Deprecated.booleanretainAll(LongCollection c)Retains in this collection only elements from the given type-specific collection.booleanretainAll(java.util.Collection<?> c)intsize()LongSpliteratorspliterator()Returns a type-specific spliterator on the elements of this collection.java.lang.Object[]toArray()<T> T[]toArray(T[] array)long[]toLongArray()Returns a primitive type array containing the items of this collection.long[]toLongArray(long[] a)Deprecated.-
Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection
add, add, contains, forEach, rem, remove, removeIf, toArray, toString
-
Methods inherited from interface it.unimi.dsi.fastutil.longs.LongCollection
longIterator, longParallelStream, longSpliterator, longStream, parallelStream, stream
-
-
-
-
Method Detail
-
contains
public boolean contains(long k)
Description copied from class:AbstractLongCollectionReturnstrueif this collection contains the specified element.- Specified by:
containsin interfaceLongCollection- Overrides:
containsin classAbstractLongCollection- See Also:
Collection.contains(Object)
-
toArray
public java.lang.Object[] toArray()
- Specified by:
toArrayin interfacejava.util.Collection<java.lang.Long>- Overrides:
toArrayin classjava.util.AbstractCollection<java.lang.Long>
-
toArray
public <T> T[] toArray(T[] array)
- Specified by:
toArrayin interfacejava.util.Collection<java.lang.Long>- Overrides:
toArrayin classjava.util.AbstractCollection<java.lang.Long>
-
iterator
public LongBidirectionalIterator iterator()
Description copied from interface:LongCollectionReturns a type-specific iterator on the elements of this collection.- Specified by:
iteratorin interfacejava.util.Collection<java.lang.Long>- Specified by:
iteratorin interfacejava.lang.Iterable<java.lang.Long>- Specified by:
iteratorin interfaceLongCollection- Specified by:
iteratorin interfaceLongIterable- Specified by:
iteratorin classAbstractLongCollection- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
-
spliterator
public LongSpliterator spliterator()
Description copied from interface:LongCollectionReturns a type-specific spliterator on the elements of this collection.See
Collection.spliterator()for more documentation on the requirements of the returned spliterator.- Returns:
- a type-specific spliterator on the elements of this collection.
-
size
public int size()
- Specified by:
sizein interfacejava.util.Collection<java.lang.Long>- Specified by:
sizein classjava.util.AbstractCollection<java.lang.Long>
-
clear
public void clear()
- Specified by:
clearin interfacejava.util.Collection<java.lang.Long>- Overrides:
clearin classjava.util.AbstractCollection<java.lang.Long>
-
hashCode
public int hashCode()
- Specified by:
hashCodein interfacejava.util.Collection<java.lang.Long>- Overrides:
hashCodein classjava.lang.Object
-
equals
public boolean equals(java.lang.Object o)
- Specified by:
equalsin interfacejava.util.Collection<java.lang.Long>- Overrides:
equalsin classjava.lang.Object
-
forEach
@Deprecated public void forEach(java.util.function.Consumer<? super java.lang.Long> action)
Deprecated.Description copied from interface:LongIterable
-
containsAll
public boolean containsAll(java.util.Collection<?> c)
Description copied from class:AbstractLongCollection- Specified by:
containsAllin interfacejava.util.Collection<java.lang.Long>- Overrides:
containsAllin classAbstractLongCollection
-
addAll
public boolean addAll(java.util.Collection<? extends java.lang.Long> c)
Description copied from class:AbstractLongCollection- Specified by:
addAllin interfacejava.util.Collection<java.lang.Long>- Overrides:
addAllin classAbstractLongCollection
-
removeAll
public boolean removeAll(java.util.Collection<?> c)
Description copied from class:AbstractLongCollection- Specified by:
removeAllin interfacejava.util.Collection<java.lang.Long>- Overrides:
removeAllin classAbstractLongCollection
-
retainAll
public boolean retainAll(java.util.Collection<?> c)
Description copied from class:AbstractLongCollection- Specified by:
retainAllin interfacejava.util.Collection<java.lang.Long>- Overrides:
retainAllin classAbstractLongCollection
-
removeIf
@Deprecated public boolean removeIf(java.util.function.Predicate<? super java.lang.Long> filter)
Deprecated.Description copied from interface:LongCollection
-
toLongArray
public long[] toLongArray()
Description copied from interface:LongCollectionReturns a primitive type array containing the items of this collection.- Specified by:
toLongArrayin interfaceLongCollection- Overrides:
toLongArrayin classAbstractLongCollection- Returns:
- a primitive type array containing the items of this collection.
- See Also:
Collection.toArray()
-
toLongArray
@Deprecated public long[] toLongArray(long[] a)
Deprecated.Description copied from class:AbstractLongCollectionReturns a primitive type array containing the items of this collection.Note that, contrarily to
Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.- Specified by:
toLongArrayin interfaceLongCollection- Overrides:
toLongArrayin classAbstractLongCollection- Parameters:
a- if this array is big enough, it will be used to store this collection.- Returns:
- a primitive type array containing the items of this collection.
- See Also:
Collection.toArray(Object[])
-
forEach
public void forEach(java.util.function.LongConsumer action)
Description copied from interface:LongIterablePerforms the given action for each element of this type-specificIterableuntil all elements have been processed or the action throws an exception.- Parameters:
action- the action to be performed for each element.- See Also:
Iterable.forEach(java.util.function.Consumer)
-
containsAll
public boolean containsAll(LongCollection c)
Description copied from interface:LongCollectionChecks whether this collection contains all elements from the given type-specific collection.- Specified by:
containsAllin interfaceLongCollection- Overrides:
containsAllin classAbstractLongCollection- Parameters:
c- a type-specific collection.- Returns:
trueif this collection contains all elements of the argument.- See Also:
Collection.containsAll(Collection)
-
addAll
public boolean addAll(LongCollection c)
Description copied from interface:LongCollectionAdds all elements of the given type-specific collection to this collection.- Specified by:
addAllin interfaceLongCollection- Overrides:
addAllin classAbstractLongCollection- Parameters:
c- a type-specific collection.- Returns:
trueif this collection changed as a result of the call.- See Also:
Collection.addAll(Collection)
-
removeAll
public boolean removeAll(LongCollection c)
Description copied from interface:LongCollectionRemove from this collection all elements in the given type-specific collection.- Specified by:
removeAllin interfaceLongCollection- Overrides:
removeAllin classAbstractLongCollection- Parameters:
c- a type-specific collection.- Returns:
trueif this collection changed as a result of the call.- See Also:
Collection.removeAll(Collection)
-
retainAll
public boolean retainAll(LongCollection c)
Description copied from interface:LongCollectionRetains in this collection only elements from the given type-specific collection.- Specified by:
retainAllin interfaceLongCollection- Overrides:
retainAllin classAbstractLongCollection- Parameters:
c- a type-specific collection.- Returns:
trueif 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:LongCollectionRemove from this collection all elements which satisfy the given predicate.- Parameters:
filter- a predicate which returnstruefor elements to be removed.- Returns:
trueif any elements were removed.- See Also:
Collection.removeIf(java.util.function.Predicate)
-
-