Package com.wowza.util

Class SetUtils

Object

com.wowza.util.SetUtils

public class SetUtils
extends Object

Static utilities for standard set operations: union, intersection, difference, subset and superset.

Constructor Summary

Constructors

Constructor	Description
SetUtils()

Method Summary

Modifier and Type	Method	Description
static <T> Set<T>	diff(Set<T> set1, Set<T> set2)	Create difference of the 2 sets.
static <T> Set<T>	intersection(Set<T> set1, Set<T> set2)	Create intersection of 2 sets.
static <T> boolean	isSubset(Set<T> set1, Set<T> set2)	Determines if set1 is a subset of set2.
static <T> boolean	isSuperset(Set<T> set1, Set<T> set2)	Determines if set1 is a superset of set2.
static <T> Set<T>	union(Set<T> set1, Set<T> set2)	Create union of 2 sets.

Methods inherited from class java.lang.Object

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

Constructor Details

SetUtils

public SetUtils()

Method Details

intersection

public static <T> Set<T> intersection(Set<T> set1,
 Set<T> set2)

Create intersection of 2 sets.

Type Parameters:

T - type of the sets

Parameters:

set1 - First set

set2 - Second set

Returns:

a new Set, containing the intersection of the 2 sets.

union

public static <T> Set<T> union(Set<T> set1,
 Set<T> set2)

Create union of 2 sets.

Type Parameters:

T - type of the sets

Parameters:

set1 - First set

set2 - Second set

Returns:

a new Set, containing the union of the 2 sets.

diff

public static <T> Set<T> diff(Set<T> set1,
 Set<T> set2)

Create difference of the 2 sets.

Type Parameters:

T - type of the sets

Parameters:

set1 - First set

set2 - Second set

Returns:

a new Set, containing the set1 - set2.

isSubset

public static <T> boolean isSubset(Set<T> set1,
 Set<T> set2)

Determines if set1 is a subset of set2.

Type Parameters:

T - type of the sets

Parameters:

set1 - First set

set2 - Second set

Returns:

true if set1 is subset of set2, otherwise false.

isSuperset

public static <T> boolean isSuperset(Set<T> set1,
 Set<T> set2)

Determines if set1 is a superset of set2.

Type Parameters:

T - type of the sets

Parameters:

set1 - First set

set2 - Second set

Returns:

true if set1 is superset of set2, otherwise false.