com.prosysopc.ua.stack.utils

Class ConcurrentBijectionMap<L,R>

java.lang.Object

com.prosysopc.ua.stack.utils.ConcurrentBijectionMap<L,R>

public class ConcurrentBijectionMap<L,R>
extends Object

Bijection map is a 1:1 binding of 2-tuples. For each binding one value has role "left" and the other one the role "right".

Author:

Toni Kalajainen

Constructor Summary

Constructors

Constructor and Description
ConcurrentBijectionMap()

Method Summary

Modifier and Type	Method and Description
void	addAll(ConcurrentBijectionMap<L,R> map) addAll.
void	clear() Clear all bindings
boolean	contains(L leftValue, R rightValue) Contains binding
boolean	containsLeft(L leftValue) containsLeft.
boolean	containsRight(R rightValue) containsRight.
Set<Map.Entry<L,R>>	getEntries() getEntries.
L	getLeft(R rightValue) Get left value with right key
Set<L>	getLeftSet() Get all left values
R	getRight(L leftValue) Get right value with left key
Set<R>	getRightSet() Get all right values.
boolean	isEmpty() isEmpty.
void	map(L leftValue, R rightValue) Add value to the map
R	removeWithLeft(L leftValue) Remove a binding with left key
L	removeWithRight(R rightValue) Remove a binding with right key
boolean	retainAllLeft(Collection<L> values) retainAllLeft.
boolean	retainAllRight(Collection<R> values) retainAllRight.
int	size() Get the number of mappings
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcurrentBijectionMap

public ConcurrentBijectionMap()

Method Detail

addAll

public void addAll(ConcurrentBijectionMap<L,R> map)

addAll.

Parameters:

map - a ConcurrentBijectionMap object.

clear

public void clear()

Clear all bindings

contains

public boolean contains(L leftValue,
                        R rightValue)

Contains binding

Parameters:

leftValue - a L object.

rightValue - a R object.

Returns:

true if there is a mapping between left and right value

containsLeft

public boolean containsLeft(L leftValue)

containsLeft.

Parameters:

leftValue - a L object.

Returns:

a boolean.

containsRight

public boolean containsRight(R rightValue)

containsRight.

Parameters:

rightValue - a R object.

Returns:

a boolean.

getEntries

public Set<Map.Entry<L,R>> getEntries()

getEntries.

Returns:

a Set object.

getLeft

public L getLeft(R rightValue)

Get left value with right key

Parameters:

rightValue - a R object.

Returns:

left value

getLeftSet

public Set<L> getLeftSet()

Get all left values

Returns:

all left values

getRight

public R getRight(L leftValue)

Get right value with left key

Parameters:

leftValue - a L object.

Returns:

right vlaue

getRightSet

public Set<R> getRightSet()

Get all right values.

Returns:

all right values

isEmpty

public boolean isEmpty()

isEmpty.

Returns:

a boolean.

map

public void map(L leftValue,
                R rightValue)

Add value to the map

Parameters:

leftValue - a L object.

rightValue - a R object.

removeWithLeft

public R removeWithLeft(L leftValue)

Remove a binding with left key

Parameters:

leftValue - a L object.

Returns:

old right value

removeWithRight

public L removeWithRight(R rightValue)

Remove a binding with right key

Parameters:

rightValue - a R object.

Returns:

old left value

retainAllLeft

public boolean retainAllLeft(Collection<L> values)

retainAllLeft.

Parameters:

values - a Collection object.

Returns:

a boolean.

retainAllRight

public boolean retainAllRight(Collection<R> values)

retainAllRight.

Parameters:

values - a Collection object.

Returns:

a boolean.

size

public int size()

Get the number of mappings

Returns:

the number of mappings

toString

public String toString()

Overrides:

toString in class Object