org.openimaj.util.pair

Class ObjectDoublePair<Q>

java.lang.Object

org.openimaj.util.pair.ObjectDoublePair<Q>

Type Parameters:

Q - type of first object

public class ObjectDoublePair<Q>
extends Object

A pair of a generic type and double

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
Q	first The first element of the pair
double	second The first element of the pair
static Comparator<ObjectDoublePair<?>>	SECOND_ITEM_ASCENDING_COMPARATOR Comparator for comparing the second element of a ObjectDoublePair in ascending order.
static Comparator<ObjectDoublePair<?>>	SECOND_ITEM_DESCENDING_COMPARATOR Comparator for comparing the second element of a ObjectDoublePair in descending order.

Constructor Summary

Constructors

Constructor and Description
ObjectDoublePair() Construct empty pair
ObjectDoublePair(Q f, double s) Construct pair with given values

Method Summary

Modifier and Type	Method and Description
Q	getFirst() Get the value of the first element
static <Q> List<Q>	getFirst(Iterable<ObjectDoublePair<Q>> data) Extract the first objects from a list of pairs.
double	getSecond() Get the value of the second element
static <Q> gnu.trove.list.array.TDoubleArrayList	getSecond(Iterable<ObjectDoublePair<Q>> data) Extract the second objects from a list of pairs.
static <Q> ObjectDoublePair<Q>	pair(Q q, double t) Create a pair from the given objects.
void	setFirst(Q first) Set the value of the first element
void	setSecond(double second) Set the value of the second element

Methods inherited from class java.lang.Object

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

Field Detail

SECOND_ITEM_ASCENDING_COMPARATOR

public static final Comparator<ObjectDoublePair<?>> SECOND_ITEM_ASCENDING_COMPARATOR

Comparator for comparing the second element of a ObjectDoublePair in ascending order.

SECOND_ITEM_DESCENDING_COMPARATOR

public static final Comparator<ObjectDoublePair<?>> SECOND_ITEM_DESCENDING_COMPARATOR

Comparator for comparing the second element of a ObjectDoublePair in descending order.

first

public Q first

The first element of the pair

second

public double second

The first element of the pair

Constructor Detail

ObjectDoublePair

public ObjectDoublePair(Q f,
                        double s)

Construct pair with given values

Parameters:

f - first value

s - second value

ObjectDoublePair

public ObjectDoublePair()

Construct empty pair

Method Detail

getFirst

public Q getFirst()

Get the value of the first element

Returns:

the first value

setFirst

public void setFirst(Q first)

Set the value of the first element

Parameters:

first - the value to set

getSecond

public double getSecond()

Get the value of the second element

Returns:

the second

setSecond

public void setSecond(double second)

Set the value of the second element

Parameters:

second - the value to set

pair

public static <Q> ObjectDoublePair<Q> pair(Q q,
                                           double t)

Create a pair from the given objects.

Type Parameters:

Q - Type of first object.

Parameters:

q - The first object.

t - The second object.

Returns:

The pair.

getSecond

public static <Q> gnu.trove.list.array.TDoubleArrayList getSecond(Iterable<ObjectDoublePair<Q>> data)

Extract the second objects from a list of pairs.

Type Parameters:

Q - type of first object

Parameters:

data - the data

Returns:

extracted second objects

getFirst

public static <Q> List<Q> getFirst(Iterable<ObjectDoublePair<Q>> data)

Extract the first objects from a list of pairs.

Type Parameters:

Q - type of first object

Parameters:

data - the data

Returns:

extracted first objects