org.eclipse.january.dataset

Class BooleanIterator

java.lang.Object

org.eclipse.january.dataset.IndexIterator

org.eclipse.january.dataset.BooleanIterator

public class BooleanIterator
extends IndexIterator

Class to run over an iterator and visits positions where items in selection dataset are true

Field Summary

Fields inherited from class org.eclipse.january.dataset.IndexIterator

index

Constructor Summary

Constructors

Constructor and Description
BooleanIterator(IndexIterator iter, Dataset selection) Constructor for an iterator over the items of a boolean dataset that are true
BooleanIterator(IndexIterator iter, Dataset selection, boolean value) Constructor for an iterator over the items of a boolean dataset that match given value

Method Summary

Methods

Modifier and Type	Method and Description
int[]	getPos()
boolean	hasNext()
void	reset() Reset iterator

Methods inherited from class org.eclipse.january.dataset.IndexIterator

getShape

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanIterator

public BooleanIterator(IndexIterator iter,
               Dataset selection)

Constructor for an iterator over the items of a boolean dataset that are true

Parameters:

iter - dataset iterator

selection - boolean dataset

BooleanIterator

public BooleanIterator(IndexIterator iter,
               Dataset selection,
               boolean value)

Constructor for an iterator over the items of a boolean dataset that match given value

Parameters:

iter - dataset iterator

selection - boolean dataset

value -

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in class IndexIterator

Returns:

true if there is another iteration

getPos

public int[] getPos()

Specified by:

getPos in class IndexIterator

Returns:

position indices (nb this is reference not a copy so avoid changing and can be null)

reset

public void reset()

Description copied from class: IndexIterator

Reset iterator

Specified by:

reset in class IndexIterator