Package it.unimi.dsi.fastutil.longs
Class LongIterators.EmptyIterator
- java.lang.Object
-
- it.unimi.dsi.fastutil.longs.LongIterators.EmptyIterator
-
- All Implemented Interfaces:
BidirectionalIterator<java.lang.Long>
,LongBidirectionalIterator
,LongIterator
,LongListIterator
,ObjectBidirectionalIterator<java.lang.Long>
,ObjectIterator<java.lang.Long>
,java.io.Serializable
,java.lang.Cloneable
,java.util.Iterator<java.lang.Long>
,java.util.ListIterator<java.lang.Long>
,java.util.PrimitiveIterator<java.lang.Long,java.util.function.LongConsumer>
,java.util.PrimitiveIterator.OfLong
- Enclosing class:
- LongIterators
public static class LongIterators.EmptyIterator extends java.lang.Object implements LongListIterator, java.io.Serializable, java.lang.Cloneable
A class returning no elements and a type-specific iterator interface.This class may be useful to implement your own in case you subclass a type-specific iterator.
- See Also:
- Serialized Form
-
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
back(int n)
Moves back for the given number of elements.java.lang.Object
clone()
boolean
hasNext()
boolean
hasPrevious()
Returns whether there is a previous element.int
nextIndex()
long
nextLong()
Returns the next element as a primitive type.int
previousIndex()
long
previousLong()
Returns the previous element as a primitive type.int
skip(int n)
Skips the given number of elements.-
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterator
forEachRemaining
-
-
-
-
Method Detail
-
hasNext
public boolean hasNext()
- Specified by:
hasNext
in interfacejava.util.Iterator<java.lang.Long>
- Specified by:
hasNext
in interfacejava.util.ListIterator<java.lang.Long>
-
hasPrevious
public boolean hasPrevious()
Description copied from interface:BidirectionalIterator
Returns whether there is a previous element.- Specified by:
hasPrevious
in interfaceBidirectionalIterator<java.lang.Long>
- Specified by:
hasPrevious
in interfacejava.util.ListIterator<java.lang.Long>
- Returns:
- whether there is a previous element.
- See Also:
ListIterator.hasPrevious()
-
nextLong
public long nextLong()
Description copied from interface:LongIterator
Returns the next element as a primitive type.- Specified by:
nextLong
in interfaceLongIterator
- Specified by:
nextLong
in interfacejava.util.PrimitiveIterator.OfLong
- Returns:
- the next element in the iteration.
- See Also:
Iterator.next()
-
previousLong
public long previousLong()
Description copied from interface:LongBidirectionalIterator
Returns the previous element as a primitive type.- Specified by:
previousLong
in interfaceLongBidirectionalIterator
- Returns:
- the previous element in the iteration.
- See Also:
ListIterator.previous()
-
nextIndex
public int nextIndex()
- Specified by:
nextIndex
in interfacejava.util.ListIterator<java.lang.Long>
-
previousIndex
public int previousIndex()
- Specified by:
previousIndex
in interfacejava.util.ListIterator<java.lang.Long>
-
skip
public int skip(int n)
Description copied from interface:LongBidirectionalIterator
Skips the given number of elements.The effect of this call is exactly the same as that of calling
LongIterator.next()
forn
times (possibly stopping ifIterator.hasNext()
becomes false).- Specified by:
skip
in interfaceLongBidirectionalIterator
- Specified by:
skip
in interfaceLongIterator
- Specified by:
skip
in interfaceObjectBidirectionalIterator<java.lang.Long>
- Specified by:
skip
in interfaceObjectIterator<java.lang.Long>
- Parameters:
n
- the number of elements to skip.- Returns:
- the number of elements actually skipped.
- See Also:
Iterator.next()
-
back
public int back(int n)
Description copied from interface:LongBidirectionalIterator
Moves back for the given number of elements.The effect of this call is exactly the same as that of calling
LongBidirectionalIterator.previous()
forn
times (possibly stopping ifBidirectionalIterator.hasPrevious()
becomes false).- Specified by:
back
in interfaceLongBidirectionalIterator
- Specified by:
back
in interfaceObjectBidirectionalIterator<java.lang.Long>
- Parameters:
n
- the number of elements to skip back.- Returns:
- the number of elements actually skipped.
- See Also:
LongBidirectionalIterator.previous()
-
clone
public java.lang.Object clone()
-
-