de.lmu.ifi.dbs.elki.database.ids.integer

Class DoubleIntegerDBIDKNNHeap.UnorderedIter

java.lang.Object

de.lmu.ifi.dbs.elki.database.ids.integer.DoubleIntegerDBIDKNNHeap.UnorderedIter

All Implemented Interfaces:

DBIDArrayIter, DBIDIter, DBIDRef, DoubleDBIDListIter, ArrayIter, Iter

Enclosing class:

DoubleIntegerDBIDKNNHeap

private class DoubleIntegerDBIDKNNHeap.UnorderedIter
extends java.lang.Object
implements DoubleDBIDListIter

Iterate over all objects in the heap, not ordered.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
private DoubleIntegerHeap.UnsortedIter	it Iterator of the real heap.
private int	t Position in ties.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	UnorderedIter()

Method Summary

Modifier and Type	Method and Description
DoubleDBIDListIter	advance() Moves the iterator forward to the next entry.
DoubleDBIDListIter	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.
DoubleDBIDListIter	retract() Moves the iterator backward to the previous entry.
DoubleDBIDListIter	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 de.lmu.ifi.dbs.elki.database.ids.DBIDRef

equals, hashCode

Field Detail

it

private DoubleIntegerHeap.UnsortedIter it

Iterator of the real heap.

t

private int t

Position in ties.

Constructor Detail

UnorderedIter

private UnorderedIter()

Method Detail

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

Returns:

Internal index

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.

getOffset

public int getOffset()

Description copied from interface: ArrayIter

Get current iterator offset.

Specified by:

getOffset in interface ArrayIter

Returns:

Iterator position

doubleValue

public double doubleValue()

Description copied from interface: DoubleDBIDListIter

Get the double value

Specified by:

doubleValue in interface DoubleDBIDListIter

Returns:

double value

advance

public DoubleDBIDListIter advance()

Description copied from interface: Iter

Moves the iterator forward to the next entry.

Specified by:

advance in interface DBIDArrayIter

Specified by:

advance in interface DBIDIter

Specified by:

advance in interface DoubleDBIDListIter

Specified by:

advance in interface ArrayIter

Specified by:

advance in interface Iter

Returns:

The iterator itself.

advance

public DoubleDBIDListIter advance(int count)

Description copied from interface: ArrayIter

Moves the iterator forward or backward by the given offset.

Specified by:

advance in interface DBIDArrayIter

Specified by:

advance in interface DoubleDBIDListIter

Specified by:

advance in interface ArrayIter

Parameters:

count - offset to move forward or backwards

Returns:

Iterator

retract

public DoubleDBIDListIter retract()

Description copied from interface: ArrayIter

Moves the iterator backward to the previous entry.

Specified by:

retract in interface DBIDArrayIter

Specified by:

retract in interface DoubleDBIDListIter

Specified by:

retract in interface ArrayIter

Returns:

Iterator

seek

public DoubleDBIDListIter seek(int off)

Description copied from interface: ArrayIter

Moves the iterator to the given position

Specified by:

seek in interface DBIDArrayIter

Specified by:

seek in interface DoubleDBIDListIter

Specified by:

seek in interface ArrayIter

Parameters:

off - Seek offset

Returns:

Iterator