From 50a8a5b7d74efc893e9fe5c45f6cde2d5e540834 Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Mon, 4 Jul 2022 12:58:42 +0200
Subject: [PATCH] Add CollectionUtils.count(Iterator<?>)

---
 .../main/java/org/pgpainless/util/CollectionUtils.java   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pgpainless-core/src/main/java/org/pgpainless/util/CollectionUtils.java b/pgpainless-core/src/main/java/org/pgpainless/util/CollectionUtils.java
index 22c2b8f4..e77725dd 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/util/CollectionUtils.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/util/CollectionUtils.java
@@ -107,6 +107,15 @@ public final class CollectionUtils {
         return reducer.getResult();
     }
 
+    public static int count(Iterator<?> iterator) {
+        int num = 0;
+        while (iterator.hasNext()) {
+            iterator.next();
+            num++;
+        }
+        return num;
+    }
+
     @FunctionalInterface
     interface Filter<T> {
         boolean accept(T t);