edu.tum.cs.commons.collections
Class PairList<S,T>

java.lang.Object
  edu.tum.cs.commons.collections.PairList<S,T>

public class PairList<S,T>
extends Object

A list for storing pairs in a specific order.

Version:

$Rev: 28497 $

Author:

hummelb, $Author: deissenb $

Rating:

GREEN Hash: 5510B017A5CFB62174A38A897F2160AD

Constructor Summary

PairList()
Constructor.

PairList(int initialCapacity)
Constructor.

PairList(PairList<S,T> other)
Copy constructor.

Method Summary

void	add(S first, T second) Add the given pair to the list.
void	addAll(PairList<S,T> other) Adds all pairs from another list.
void	clear() Clears this list.
protected void	ensureSpace(int space) Make sure there is space for at least the given amount of elements.
List<S>	extractFirstList() Creates a new list containing all first elements.
List<T>	extractSecondList() Creates a new list containing all second elements.
S	getFirst(int i) Returns the first element at given index.
T	getSecond(int i) Returns the second element at given index.
boolean	isEmpty() Returns whether the list is empty.
void	removeLast() Removes the last element of the list.
void	setFirst(int i, S value) Sets the first element at given index.
void	setSecond(int i, T value) Sets the first element at given index.
int	size() Returns the size of the list.
void	swapPairs() Swaps the pairs of this list.

Methods inherited from class java.lang.Object

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

Constructor Detail

PairList

public PairList()

Constructor.

PairList

public PairList(int initialCapacity)

Constructor.

PairList

public PairList(PairList<S,T> other)

Copy constructor.

Method Detail

isEmpty

public boolean isEmpty()

Returns whether the list is empty.

size

public int size()

Returns the size of the list.

add

public void add(S first,
                T second)

Add the given pair to the list.

addAll

public void addAll(PairList<S,T> other)

Adds all pairs from another list.

ensureSpace

protected void ensureSpace(int space)

Make sure there is space for at least the given amount of elements.

getFirst

public S getFirst(int i)

Returns the first element at given index.

setFirst

public void setFirst(int i,
                     S value)

Sets the first element at given index.

getSecond

public T getSecond(int i)

Returns the second element at given index.

setSecond

public void setSecond(int i,
                      T value)

Sets the first element at given index.

extractFirstList

public List<S> extractFirstList()

Creates a new list containing all first elements.

extractSecondList

public List<T> extractSecondList()

Creates a new list containing all second elements.

swapPairs

public void swapPairs()

Swaps the pairs of this list. Is S and T are different types, this will be extremely dangerous.

clear

public void clear()

Clears this list.

removeLast

public void removeLast()

Removes the last element of the list.