add a useful operation to ArrayHelper

Signed-off-by: Gavin King <[email protected]>

Author: gavinking

hibernate-core/src/main/java/org/hibernate/internal/util/collections/ArrayHelper.java

@@ -22,10 +22,19 @@
 
 public final class ArrayHelper {
 
-	public static boolean contains(Object[] array, Object object) {
+	public static <T> boolean contains(T[] array, T object) {
 		return indexOf( array, object ) > -1;
 	}
 
+	public static <T> boolean containsAll(T[] array, T[] elements) {
+		for ( T element : elements ) {
+			if ( !contains( array, element ) ) {
+				return false;
+			}
+		}
+		return true;
+	}
+
 	public static boolean contains(int[] array, int value) {
 		for ( int i = 0; i < array.length; i++ ) {
 			if ( array[i] == value ) {