it.unimi.dsi.fastutil
Class Iterators.EmptyIterator

java.lang.Object
  it.unimi.dsi.fastutil.objects.AbstractObjectIterator
      it.unimi.dsi.fastutil.objects.AbstractObjectBidirectionalIterator
          it.unimi.dsi.fastutil.objects.AbstractObjectListIterator
              it.unimi.dsi.fastutil.Iterators.EmptyIterator

All Implemented Interfaces:

BidirectionalIterator, BooleanBidirectionalIterator, BooleanIterator, BooleanListIterator, ByteBidirectionalIterator, ByteIterator, ByteListIterator, CharBidirectionalIterator, CharIterator, CharListIterator, DoubleBidirectionalIterator, DoubleIterator, DoubleListIterator, FloatBidirectionalIterator, FloatIterator, FloatListIterator, IntBidirectionalIterator, IntIterator, IntListIterator, Iterator, ListIterator, LongBidirectionalIterator, LongIterator, LongListIterator, ObjectBidirectionalIterator, ObjectIterator, ObjectListIterator, ShortBidirectionalIterator, ShortIterator, ShortListIterator

Enclosing class:

Iterators

public static class Iterators.EmptyIterator

extends AbstractObjectListIterator

implements BooleanListIterator, ByteListIterator, ShortListIterator, IntListIterator, LongListIterator, CharListIterator, FloatListIterator, DoubleListIterator, ObjectListIterator

A class returning no elements and implementing all type-specific iterator interfaces.

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

Field Summary

static long

serialVersionUID

Method Summary

void	add(boolean x)
void	add(byte x)
void	add(char x)
void	add(double x)
void	add(float x)
void	add(int x)
void	add(long x)
void	add(short x)
Object	clone()
boolean	hasNext()
boolean	hasPrevious() Returns whether there is a previous element.
Object	next()
boolean	nextBoolean() Returns the next element as a primitive type.
byte	nextByte() Returns the next element as a primitive type.
char	nextChar() Returns the next element as a primitive type.
double	nextDouble() Returns the next element as a primitive type.
float	nextFloat() Returns the next element as a primitive type.
int	nextIndex()
int	nextInt() Returns the next element as a primitive type.
long	nextLong() Returns the next element as a primitive type.
short	nextShort() Returns the next element as a primitive type.
Object	previous() Returns the previous element from the collection.
boolean	previousBoolean() Returns the previous element as a primitive type.
byte	previousByte() Returns the previous element as a primitive type.
char	previousChar() Returns the previous element as a primitive type.
double	previousDouble() Returns the previous element as a primitive type.
float	previousFloat() Returns the previous element as a primitive type.
int	previousIndex()
int	previousInt() Returns the previous element as a primitive type.
long	previousLong() Returns the previous element as a primitive type.
short	previousShort() Returns the previous element as a primitive type.
void	set(boolean x)
void	set(byte x)
void	set(char x)
void	set(double x)
void	set(float x)
void	set(int x)
void	set(long x)
void	set(short x)
int	skip(int n) Skips the given number of elements.

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectListIterator

add, set

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectBidirectionalIterator

back

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectIterator

remove

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.ListIterator

add, remove, set

Methods inherited from interface it.unimi.dsi.fastutil.booleans.BooleanBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.bytes.ByteBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.shorts.ShortBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.ints.IntBidirectionalIterator

back

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

back

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleBidirectionalIterator

back

Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectBidirectionalIterator

back

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface ListIterator

hasPrevious

public boolean hasPrevious()

Description copied from interface: BidirectionalIterator

Returns whether there is a previous element.

Specified by:

hasPrevious in interface ListIterator

nextBoolean

public boolean nextBoolean()

Description copied from interface: BooleanIterator

Returns the next element as a primitive type.

Specified by:

nextBoolean in interface BooleanIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousBoolean

public boolean previousBoolean()

Description copied from interface: BooleanBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousBoolean in interface BooleanBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextByte

public byte nextByte()

Description copied from interface: ByteIterator

Returns the next element as a primitive type.

Specified by:

nextByte in interface ByteIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousByte

public byte previousByte()

Description copied from interface: ByteBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousByte in interface ByteBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextShort

public short nextShort()

Description copied from interface: ShortIterator

Returns the next element as a primitive type.

Specified by:

nextShort in interface ShortIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousShort

public short previousShort()

Description copied from interface: ShortBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousShort in interface ShortBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextInt

public int nextInt()

Description copied from interface: IntIterator

Returns the next element as a primitive type.

Specified by:

nextInt in interface IntIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousInt

public int previousInt()

Description copied from interface: IntBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousInt in interface IntBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextLong

public long nextLong()

Description copied from interface: LongIterator

Returns the next element as a primitive type.

Specified by:

nextLong in interface LongIterator

Returns:

the next element from the collection.

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 interface LongBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextChar

public char nextChar()

Description copied from interface: CharIterator

Returns the next element as a primitive type.

Specified by:

nextChar in interface CharIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousChar

public char previousChar()

Description copied from interface: CharBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousChar in interface CharBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextFloat

public float nextFloat()

Description copied from interface: FloatIterator

Returns the next element as a primitive type.

Specified by:

nextFloat in interface FloatIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousFloat

public float previousFloat()

Description copied from interface: FloatBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousFloat in interface FloatBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

nextDouble

public double nextDouble()

Description copied from interface: DoubleIterator

Returns the next element as a primitive type.

Specified by:

nextDouble in interface DoubleIterator

Returns:

the next element from the collection.

See Also:

Iterator.next()

previousDouble

public double previousDouble()

Description copied from interface: DoubleBidirectionalIterator

Returns the previous element as a primitive type.

Specified by:

previousDouble in interface DoubleBidirectionalIterator

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

next

public Object next()

Specified by:

next in interface ListIterator

previous

public Object previous()

Description copied from interface: BidirectionalIterator

Returns the previous element from the collection.

Specified by:

previous in interface ListIterator

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator

skip

public int skip(int n)

Description copied from interface: BooleanIterator

Skips the given number of elements.

The effect of this call is exactly the same as that of calling Iterator.next() for n times (possibly stopping if Iterator.hasNext() becomes false).

Specified by:

skip in interface BooleanIterator

Overrides:

skip in class AbstractObjectIterator

set

public void set(boolean x)

Specified by:

set in interface BooleanListIterator

add

public void add(boolean x)

Specified by:

add in interface BooleanListIterator

set

public void set(byte x)

Specified by:

set in interface ByteListIterator

add

public void add(byte x)

Specified by:

add in interface ByteListIterator

set

public void set(short x)

Specified by:

set in interface ShortListIterator

add

public void add(short x)

Specified by:

add in interface ShortListIterator

set

public void set(int x)

Specified by:

set in interface IntListIterator

add

public void add(int x)

Specified by:

add in interface IntListIterator

set

public void set(long x)

Specified by:

set in interface LongListIterator

add

public void add(long x)

Specified by:

add in interface LongListIterator

set

public void set(char x)

Specified by:

set in interface CharListIterator

add

public void add(char x)

Specified by:

add in interface CharListIterator

set

public void set(float x)

Specified by:

set in interface FloatListIterator

add

public void add(float x)

Specified by:

add in interface FloatListIterator

set

public void set(double x)

Specified by:

set in interface DoubleListIterator

add

public void add(double x)

Specified by:

add in interface DoubleListIterator

clone

public Object clone()