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Making the other two addAll methods return boolean on whether anything changes (somewhat related to COLLECTIONS-223) 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@956306 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2010-06-19 23:00:59 +00:00
parent ae77247f97
commit bcdca8e6c9
1 changed files with 8 additions and 5 deletions
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13
src/java/org/apache/commons/collections/CollectionUtils.java
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@ -804,11 +804,12 @@ public class CollectionUtils {
* @param enumeration the enumeration of elements to add, must not be null
* @throws NullPointerException if the collection or enumeration is null
*/
//TODO return boolean or collection - check other add() methods too.
public static <C> void addAll(Collection<C> collection, Enumeration<? extends C> enumeration) {
public static <C> boolean addAll(Collection<C> collection, Enumeration<? extends C> enumeration) {
boolean changed = false;
while (enumeration.hasMoreElements()) {
collection.add(enumeration.nextElement());
changed |= collection.add(enumeration.nextElement());
}
return changed;
}
/**
@ -821,10 +822,12 @@ public class CollectionUtils {
* @throws NullPointerException
* if the collection or array is null
*/
public static <C> void addAll(Collection<C> collection, C[] elements) {
public static <C> boolean addAll(Collection<C> collection, C[] elements) {
boolean changed = false;
for (int i = 0, size = elements.length; i < size; i++) {
collection.add(elements[i]);
changed |= collection.add(elements[i]);
}
return changed;
}
/**