Coverage Report

Coverage Report - org.kuali.core.db.torque.SetUtils

Classes in this File

Line Coverage

Branch Coverage

Complexity

SetUtils

0/17

0/4

1.333

 package org.kuali.core.db.torque;
 
 import java.util.Set;
 import java.util.TreeSet;
 
 /**
  * Utility methods for Set operations
  */
 public class SetUtils {
 
         /**
          * Returns the combined elements from both
          */
         public static <T> Set<T> union(Set<T> a, Set<T> b) {
                 Set<T> tmp = new TreeSet<T>(a);
                 tmp.addAll(b);
                 return tmp;
         }
 
         /**
          * Returns only those elements that are present in both A and B
          */
         public static <T> Set<T> intersection(Set<T> a, Set<T> b) {
                 Set<T> tmp = new TreeSet<T>();
                 for (T x : a) {
                         if (b.contains(x)) {
                                 tmp.add(x);
                         }
                 }
                 return tmp;
         }
 
         /**
          * Returns elements from A that are not in B
          */
         public static <T> Set<T> difference(Set<T> a, Set<T> b) {
                 Set<T> tmp = new TreeSet<T>(a);
                 tmp.removeAll(b);
                 return tmp;
         }
 
         /**
          * 
          */
         public static <T> Set<T> symDifference(Set<T> a, Set<T> b) {
                 Set<T> tmpA = union(a, b);
                 Set<T> tmpB = intersection(a, b);
                 return difference(tmpA, tmpB);
         }
 
         /**
          * Return true if every element in A is also present in B
          */
         public static <T> boolean isSubset(Set<T> a, Set<T> b) {
                 return b.containsAll(a);
         }
 
         /**
          * Return true if every element in B is also present in A
          */
         public static <T> boolean isSuperset(Set<T> a, Set<T> b) {
                 return a.containsAll(b);
         }
 }

1		package org.kuali.core.db.torque;
2
3		import java.util.Set;
4		import java.util.TreeSet;
5
6		/**
7		* Utility methods for Set operations
8		*/
9	0	public class SetUtils {
10
11		/**
12		* Returns the combined elements from both
13		*/
14		public static <T> Set<T> union(Set<T> a, Set<T> b) {
15	0	Set<T> tmp = new TreeSet<T>(a);
16	0	tmp.addAll(b);
17	0	return tmp;
18		}
19
20		/**
21		* Returns only those elements that are present in both A and B
22		*/
23		public static <T> Set<T> intersection(Set<T> a, Set<T> b) {
24	0	Set<T> tmp = new TreeSet<T>();
25	0	for (T x : a) {
26	0	if (b.contains(x)) {
27	0	tmp.add(x);
28		}
29		}
30	0	return tmp;
31		}
32
33		/**
34		* Returns elements from A that are not in B
35		*/
36		public static <T> Set<T> difference(Set<T> a, Set<T> b) {
37	0	Set<T> tmp = new TreeSet<T>(a);
38	0	tmp.removeAll(b);
39	0	return tmp;
40		}
41
42		/**
43		*
44		*/
45		public static <T> Set<T> symDifference(Set<T> a, Set<T> b) {
46	0	Set<T> tmpA = union(a, b);
47	0	Set<T> tmpB = intersection(a, b);
48	0	return difference(tmpA, tmpB);
49		}
50
51		/**
52		* Return true if every element in A is also present in B
53		*/
54		public static <T> boolean isSubset(Set<T> a, Set<T> b) {
55	0	return b.containsAll(a);
56		}
57
58		/**
59		* Return true if every element in B is also present in A
60		*/
61		public static <T> boolean isSuperset(Set<T> a, Set<T> b) {
62	0	return a.containsAll(b);
63		}
64		}