Fix #1373: change return type of TreeNode.propertyNames() (#1374)

FasterXML · Dec 31, 2024 · 7315d0b · 7315d0b
1 parent 7d46097
commit 7315d0b
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diff --git a/src/main/java/tools/jackson/core/TreeNode.java b/src/main/java/tools/jackson/core/TreeNode.java
@@ -5,6 +5,7 @@
 
 package tools.jackson.core;
 
+import java.util.Collection;
 import java.util.Iterator;
 import java.util.Spliterator;
 import java.util.Spliterators;
@@ -227,7 +228,7 @@ public interface TreeNode
      * @return An iterator for traversing names of all properties this Object node
      *   has (if Object node); empty {@link Iterator} otherwise (never {@code null}).
      */
-    Iterator<String> propertyNames();
+    Collection<String> propertyNames();
 
     /**
      * Method for accessing names of all properties for this node via a {@code Spliterator} ,
@@ -239,7 +240,7 @@ public interface TreeNode
      * @since 3.0
      */
     default Spliterator<String> propertyNameSpliterator() {
-        return Spliterators.spliteratorUnknownSize(propertyNames(), Spliterator.ORDERED);
+        return propertyNames().spliterator();
     }
 
     /**

diff --git a/src/test/java/tools/jackson/core/util/DelegatesTest.java b/src/test/java/tools/jackson/core/util/DelegatesTest.java
@@ -3,6 +3,7 @@
 import java.io.*;
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.util.Collection;
 import java.util.Iterator;
 
 import org.junit.jupiter.api.Test;
@@ -92,7 +93,7 @@ public TreeNode path(int index) {
         }
 
         @Override
-        public Iterator<String> propertyNames() {
+        public Collection<String> propertyNames() {
             return null;
         }