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java.lang.Objectjava.util.AbstractCollection<java.lang.Long>
it.unimi.dsi.fastutil.longs.AbstractLongCollection
it.unimi.dsi.fastutil.longs.LongCollections.EmptyCollection
it.unimi.dsi.fastutil.longs.LongSets.EmptySet
it.unimi.dsi.fastutil.longs.LongSortedSets.EmptySet
public static class LongSortedSets.EmptySet
An immutable class representing the empty sorted set and implementing a type-specific set interface.
This class may be useful to implement your own in case you subclass a type-specific sorted set.
Method Summary | |
---|---|
java.lang.Object |
clone()
|
LongComparator |
comparator()
Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering. |
java.lang.Long |
first()
|
long |
firstLong()
|
LongSortedSet |
headSet(long from)
|
LongSortedSet |
headSet(java.lang.Long from)
Returns a view of the portion of this sorted set whose elements are strictly less than toElement . |
LongBidirectionalIterator |
iterator(long from)
Returns a type-specific BidirectionalIterator on the elements in
this set, starting from a given element of the domain (optional operation). |
java.lang.Long |
last()
|
long |
lastLong()
|
LongBidirectionalIterator |
longIterator()
Deprecated. |
boolean |
remove(long ok)
Removes an element from this set. |
LongSortedSet |
subSet(long from,
long to)
|
LongSortedSet |
subSet(java.lang.Long from,
java.lang.Long to)
Returns a view of the portion of this sorted set whose elements range from fromElement , inclusive, to toElement , exclusive. |
LongSortedSet |
tailSet(long to)
|
LongSortedSet |
tailSet(java.lang.Long to)
Returns a view of the portion of this sorted set whose elements are greater than or equal to fromElement . |
Methods inherited from class it.unimi.dsi.fastutil.longs.LongCollections.EmptyCollection |
---|
add, addAll, clear, contains, containsAll, equals, hashCode, iterator, rem, removeAll, retainAll, size, toArray, toLongArray, toLongArray |
Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection |
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add, addAll, contains, containsAll, isEmpty, rem, remove, removeAll, retainAll, toArray, toArray, toString |
Methods inherited from class java.lang.Object |
---|
getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface it.unimi.dsi.fastutil.longs.LongSortedSet |
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iterator |
Methods inherited from interface it.unimi.dsi.fastutil.longs.LongCollection |
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add, addAll, contains, containsAll, rem, removeAll, retainAll, toArray, toArray, toLongArray, toLongArray |
Methods inherited from interface java.util.Set |
---|
add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, size, toArray, toArray |
Method Detail |
---|
public boolean remove(long ok)
LongSet
Note that the corresponding method of the type-specific collection is rem()
.
This unfortunate situation is caused by the clash
with the similarly named index-based method in the List
interface.
remove
in interface LongSet
remove
in class LongSets.EmptySet
Collection.remove(Object)
@Deprecated public LongBidirectionalIterator longIterator()
AbstractLongCollection
longIterator
in interface LongCollection
longIterator
in interface LongSortedSet
longIterator
in class AbstractLongCollection
LongCollection.iterator()
public LongBidirectionalIterator iterator(long from)
LongSortedSet
BidirectionalIterator
on the elements in
this set, starting from a given element of the domain (optional operation).
This method returns a type-specific bidirectional iterator with given
starting point. The starting point is any element comparable to the
elements of this set (even if it does not actually belong to the
set). The next element of the returned iterator is the least element of
the set that is greater than the starting point (if there are no
elements greater than the starting point, hasNext()
will return
false
). The previous element of the returned iterator is
the greatest element of the set that is smaller than or equal to the
starting point (if there are no elements smaller than or equal to the
starting point, hasPrevious()
will return false
).
Note that passing the last element of the set as starting point and
calling previous()
you can traverse the
entire set in reverse order.
iterator
in interface LongSortedSet
from
- an element to start from.
public LongSortedSet subSet(long from, long to)
subSet
in interface LongSortedSet
SortedSet.subSet(Object,Object)
public LongSortedSet headSet(long from)
headSet
in interface LongSortedSet
SortedSet.headSet(Object)
public LongSortedSet tailSet(long to)
tailSet
in interface LongSortedSet
SortedSet.tailSet(Object)
public long firstLong()
firstLong
in interface LongSortedSet
SortedSet.first()
public long lastLong()
lastLong
in interface LongSortedSet
SortedSet.last()
public LongComparator comparator()
LongSortedSet
Note that this specification strengthens the one given in SortedSet.comparator()
.
comparator
in interface LongSortedSet
comparator
in interface java.util.SortedSet<java.lang.Long>
SortedSet.comparator()
public LongSortedSet subSet(java.lang.Long from, java.lang.Long to)
LongSortedSet
fromElement
, inclusive, to toElement
, exclusive.
Note that this specification strengthens the one given in SortedSet.subSet(Object,Object)
.
subSet
in interface LongSortedSet
subSet
in interface java.util.SortedSet<java.lang.Long>
SortedSet.subSet(Object,Object)
public LongSortedSet headSet(java.lang.Long from)
LongSortedSet
toElement
.
Note that this specification strengthens the one given in SortedSet.headSet(Object)
.
headSet
in interface LongSortedSet
headSet
in interface java.util.SortedSet<java.lang.Long>
SortedSet.headSet(Object)
public LongSortedSet tailSet(java.lang.Long to)
LongSortedSet
fromElement
.
Note that this specification strengthens the one given in SortedSet.tailSet(Object)
.
tailSet
in interface LongSortedSet
tailSet
in interface java.util.SortedSet<java.lang.Long>
SortedSet.tailSet(Object)
public java.lang.Long first()
first
in interface java.util.SortedSet<java.lang.Long>
public java.lang.Long last()
last
in interface java.util.SortedSet<java.lang.Long>
public java.lang.Object clone()
clone
in class LongSets.EmptySet
|
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