org.openimaj.util.pair

Class DoubleObjectPair<Q>

java.lang.Object

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

Type Parameters:

Q - type of second object

public class DoubleObjectPair<Q>
extends Object

A pair of double and a generic type

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
double	first The first element of the pair
Q	second The first element of the pair

Constructor Summary

Constructors

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

Method Summary

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

first

public double first

The first element of the pair

second

public Q second

The first element of the pair

Constructor Detail

DoubleObjectPair

public DoubleObjectPair(double f,
                        Q s)

Construct pair with given values

Parameters:

f - first value

s - second value

DoubleObjectPair

public DoubleObjectPair()

Construct empty pair

Method Detail

getFirst

public double getFirst()

Get the value of the first element

Returns:

the first value

setFirst

public void setFirst(double first)

Set the value of the first element

Parameters:

first - the value to set

getSecond

public Q getSecond()

Get the value of the second element

Returns:

the second

setSecond

public void setSecond(Q second)

Set the value of the second element

Parameters:

second - the value to set

pair

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

Create a pair from the given objects.

Type Parameters:

Q - Type of second object.

Parameters:

t - The first object.

q - The second object.

Returns:

The pair.

getFirst

public static <Q> gnu.trove.list.array.TDoubleArrayList getFirst(Iterable<DoubleObjectPair<Q>> data)

Extract the first objects from a list of pairs.

Type Parameters:

Q - type of second object

Parameters:

data - the data

Returns:

extracted first objects

getSecond

public static <Q> List<Q> getSecond(Iterable<DoubleObjectPair<Q>> data)

Extract the second objects from a list of pairs.

Type Parameters:

Q - type of second object

Parameters:

data - the data

Returns:

extracted second objects