rioko.utilities.collections

Class SetUtils<E>

java.lang.Object

rioko.utilities.collections.SetUtils<E>

Type Parameters:

E - Class of the elements that will contain the sets this class will opperate.

public class SetUtils<E>
extends java.lang.Object

Class implementing different set operations.

Author:

Antonio

Constructor Summary

Constructors

Constructor and Description
SetUtils()

Method Summary

Modifier and Type	Method and Description
boolean	areEquals(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate if a set is equal (as set) to another set.
java.util.Set<E>	intersection(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate the intersection of two sets.
boolean	isSubset(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate if a set is subset of another set.
boolean	isSuperset(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate if a set is superset of another set.
java.util.Set<E>	minus(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate the difference of two sets.
java.util.Set<E>	symDiff(java.util.Set<E> set1, java.util.Set<E> set2) Method to calculate the symmetric difference of two sets.
java.util.Set<E>	union(java.util.Set<E> set1, java.util.Set<E> set2) method to calculate the union of two sets.

Methods inherited from class java.lang.Object

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

Constructor Detail

SetUtils

public SetUtils()

Method Detail

union

public java.util.Set<E> union(java.util.Set<E> set1,
                              java.util.Set<E> set2)

method to calculate the union of two sets.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

A new Set<E> with the union of set1 and set2

intersection

public java.util.Set<E> intersection(java.util.Set<E> set1,
                                     java.util.Set<E> set2)

Method to calculate the intersection of two sets.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

A new Set<E> with the intersection of set1 and set2

minus

public java.util.Set<E> minus(java.util.Set<E> set1,
                              java.util.Set<E> set2)

Method to calculate the difference of two sets.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

A new Set<E> with the difference of set1 and set2

symDiff

public java.util.Set<E> symDiff(java.util.Set<E> set1,
                                java.util.Set<E> set2)

Method to calculate the symmetric difference of two sets.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

A new Set<E> with the symmetric difference of set1 and set2

isSubset

public boolean isSubset(java.util.Set<E> set1,
                        java.util.Set<E> set2)

Method to calculate if a set is subset of another set.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

True if set1 is subset of set2 and false otherwise.

isSuperset

public boolean isSuperset(java.util.Set<E> set1,
                          java.util.Set<E> set2)

Method to calculate if a set is superset of another set.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

True if set1 is superset of set2 and false otherwise.

areEquals

public boolean areEquals(java.util.Set<E> set1,
                         java.util.Set<E> set2)

Method to calculate if a set is equal (as set) to another set.

Parameters:

set1 - A set of elements.

set2 - Another set.

Returns:

True if set1 has the same elements that set2 and false otherwise.