Package edu.cnu.mdi.splot.pdata

Class DataList

java.lang.Object

java.util.AbstractCollection<Double>

java.util.AbstractList<Double>

java.util.ArrayList<Double>

edu.cnu.mdi.splot.pdata.DataList

All Implemented Interfaces:

Serializable, Cloneable, Iterable<Double>, Collection<Double>, List<Double>, RandomAccess

Direct Known Subclasses:

DataColumn

public class DataList
extends ArrayList<Double>

Named list of Double values with cached min/max tracking.

Min/max are updated incrementally on add(Double) for speed. If values are removed or replaced, min/max are recomputed as needed to remain correct.

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
DataList()	Create a data list with the given name.

Method Summary

Modifier and Type	Method	Description
void	add(int index, Double element)
boolean	add(Double value)
boolean	addAll(int index, Collection<? extends Double> c)
boolean	addAll(Collection<? extends Double> c)
void	clear()
double	getMax()	Get the maximum value in the column.
double	getMin()	Get the minimum value in the column.
protected void	recomputeMinMax()	Recompute min/max by scanning current contents.
Double	remove(int index)
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	removeIf(Predicate<? super Double> filter)
protected void	removeRange(int fromIndex, int toIndex)
void	replaceAll(UnaryOperator<Double> operator)
boolean	retainAll(Collection<?> c)
Double	set(int index, Double element)
double[]	values()	Get the values as a primitive array.

Methods inherited from class java.util.ArrayList

clone, contains, ensureCapacity, equals, forEach, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Methods inherited from interface java.util.List

containsAll

Constructor Details

DataList

public DataList()

Create a data list with the given name.

Method Details

add

public boolean add(Double value)

Specified by:

add in interface Collection<Double>

Specified by:

add in interface List<Double>

Overrides:

add in class ArrayList<Double>

add

public void add(int index,
 Double element)

Specified by:

add in interface List<Double>

Overrides:

add in class ArrayList<Double>

addAll

public boolean addAll(Collection<? extends Double> c)

Specified by:

addAll in interface Collection<Double>

Specified by:

addAll in interface List<Double>

Overrides:

addAll in class ArrayList<Double>

addAll

public boolean addAll(int index,
 Collection<? extends Double> c)

Specified by:

addAll in interface List<Double>

Overrides:

addAll in class ArrayList<Double>

remove

public Double remove(int index)

Specified by:

remove in interface List<Double>

Overrides:

remove in class ArrayList<Double>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<Double>

Specified by:

remove in interface List<Double>

Overrides:

remove in class ArrayList<Double>

clear

public void clear()

Specified by:

clear in interface Collection<Double>

Specified by:

clear in interface List<Double>

Overrides:

clear in class ArrayList<Double>

set

public Double set(int index,
 Double element)

Specified by:

set in interface List<Double>

Overrides:

set in class ArrayList<Double>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<Double>

Specified by:

removeAll in interface List<Double>

Overrides:

removeAll in class ArrayList<Double>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<Double>

Specified by:

retainAll in interface List<Double>

Overrides:

retainAll in class ArrayList<Double>

removeIf

public boolean removeIf(Predicate<? super Double> filter)

Specified by:

removeIf in interface Collection<Double>

Overrides:

removeIf in class ArrayList<Double>

replaceAll

public void replaceAll(UnaryOperator<Double> operator)

Specified by:

replaceAll in interface List<Double>

Overrides:

replaceAll in class ArrayList<Double>

removeRange

protected void removeRange(int fromIndex,
 int toIndex)

Overrides:

removeRange in class ArrayList<Double>

getMin

public double getMin()

Get the minimum value in the column.

Returns:

the minimum value, or +infinity if empty

getMax

public double getMax()

Get the maximum value in the column.

Returns:

the maximum value, or -infinity if empty

values

public double[] values()

Get the values as a primitive array.

Returns:

values as a new primitive array

recomputeMinMax

protected void recomputeMinMax()

Recompute min/max by scanning current contents.