Package elki.database.ids.integer

Class DoubleIntegerDBIDSubList.Itr

java.lang.Object

elki.database.ids.integer.DoubleIntegerDBIDSubList.Itr

All Implemented Interfaces:

DBIDArrayIter, DBIDIter, DBIDRef, DoubleDBIDIter, DoubleDBIDListIter, DoubleIntegerDBIDListIter, IntegerDBIDIter, IntegerDBIDRef, ArrayIter, Iter

Enclosing class:

DoubleIntegerDBIDSubList

private class DoubleIntegerDBIDSubList.Itr
extends java.lang.Object
implements DoubleIntegerDBIDListIter

Iterator for the sublist.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private DoubleIntegerDBIDListIter	it	Current position.

Fields inherited from interface elki.database.ids.DoubleDBIDListIter

EMPTY

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Itr()

Method Summary

Modifier and Type	Method	Description
DoubleIntegerDBIDSubList.Itr	advance()	Moves the iterator forward to the next entry.
DoubleIntegerDBIDSubList.Itr	advance(int count)	Moves the iterator forward or backward by the given offset.
double	doubleValue()	Get the double value
int	getOffset()	Get current iterator offset.
int	internalGetIndex()	Internal only: Get the internal index.
DoubleIntegerDBIDSubList.Itr	retract()	Moves the iterator backward to the previous entry.
DoubleIntegerDBIDSubList.Itr	seek(int off)	Moves the iterator to the given position
boolean	valid()	Returns true if the iterator currently points to a valid object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.database.ids.DBIDIter

addTo

Methods inherited from interface elki.database.ids.DBIDRef

equals, hashCode

Field Detail

it

private DoubleIntegerDBIDListIter it

Current position.

Constructor Detail

Itr

private Itr()

Method Detail

valid

public boolean valid()

Description copied from interface: Iter

Returns true if the iterator currently points to a valid object.

Specified by:

valid in interface Iter

Returns:

a boolean value, whether the position is valid.

advance

public DoubleIntegerDBIDSubList.Itr advance()

Description copied from interface: Iter

Moves the iterator forward to the next entry.

Specified by:

advance in interface ArrayIter

Specified by:

advance in interface DBIDArrayIter

Specified by:

advance in interface DBIDIter

Specified by:

advance in interface DoubleDBIDIter

Specified by:

advance in interface DoubleDBIDListIter

Specified by:

advance in interface DoubleIntegerDBIDListIter

Specified by:

advance in interface Iter

Returns:

The iterator itself.

doubleValue

public double doubleValue()

Description copied from interface: DoubleDBIDIter

Get the double value

Specified by:

doubleValue in interface DoubleDBIDIter

Returns:

double value

internalGetIndex

public int internalGetIndex()

Description copied from interface: DBIDRef

Internal only: Get the internal index.

NOT FOR PUBLIC USE - ELKI Optimization engine only.

Specified by:

internalGetIndex in interface DBIDRef

Specified by:

internalGetIndex in interface IntegerDBIDRef

Returns:

Internal index

getOffset

public int getOffset()

Description copied from interface: ArrayIter

Get current iterator offset.

Specified by:

getOffset in interface ArrayIter

Returns:

Iterator position

advance

public DoubleIntegerDBIDSubList.Itr advance(int count)

Description copied from interface: ArrayIter

Moves the iterator forward or backward by the given offset.

Specified by:

advance in interface ArrayIter

Specified by:

advance in interface DBIDArrayIter

Specified by:

advance in interface DoubleDBIDListIter

Specified by:

advance in interface DoubleIntegerDBIDListIter

Parameters:

count - offset to move forward or backwards

Returns:

Iterator

retract

public DoubleIntegerDBIDSubList.Itr retract()

Description copied from interface: ArrayIter

Moves the iterator backward to the previous entry.

Specified by:

retract in interface ArrayIter

Specified by:

retract in interface DBIDArrayIter

Specified by:

retract in interface DoubleDBIDListIter

Specified by:

retract in interface DoubleIntegerDBIDListIter

Returns:

Iterator

seek

public DoubleIntegerDBIDSubList.Itr seek(int off)

Description copied from interface: ArrayIter

Moves the iterator to the given position

Specified by:

seek in interface ArrayIter

Specified by:

seek in interface DBIDArrayIter

Specified by:

seek in interface DoubleDBIDListIter

Specified by:

seek in interface DoubleIntegerDBIDListIter

Parameters:

off - Seek offset

Returns:

Iterator