Make AbstractFilteringList an Iterable

1 files changed, 7 insertions, 3 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/collections/AbstractFilteringList.java b/vespajlib/src/main/java/com/yahoo/collections/AbstractFilteringList.java
index 2e51a4ceafe..176e5044bc2 100644
--- a/vespajlib/src/main/java/com/yahoo/collections/AbstractFilteringList.java
+++ b/vespajlib/src/main/java/com/yahoo/collections/AbstractFilteringList.java
@@ -4,15 +4,14 @@ package com.yahoo.collections;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Optional;
-import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 
-import static java.util.stream.Collectors.reducing;
 import static java.util.stream.Collectors.toUnmodifiableList;
 
 /**
@@ -20,7 +19,7 @@ import static java.util.stream.Collectors.toUnmodifiableList;
  *
  * @author jonmv
  */
-public abstract class AbstractFilteringList<Type, ListType extends AbstractFilteringList<Type, ListType>> {
+public abstract class AbstractFilteringList<Type, ListType extends AbstractFilteringList<Type, ListType>> implements Iterable<Type> {
 
     private final List<Type> items;
     private final boolean negate;
@@ -84,4 +83,9 @@ public abstract class AbstractFilteringList<Type, ListType extends AbstractFilte
 
     public final int size() { return items.size(); }
 
+    @Override
+    public Iterator<Type> iterator() {
+        return items.iterator();
+    }
+
 }