From 2dd5fd5cb78ab70c5d086a715951517728f4ae49 Mon Sep 17 00:00:00 2001
From: eschleb <bjoern.eschle@merkle.com>
Date: Wed, 17 Jan 2024 16:48:14 +0100
Subject: [PATCH] Exclude metadata nodes from child streams

---
 .../com/merkle/oss/magnolia/powernode/NodeService.java | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/powernode-base/src/main/java/com/merkle/oss/magnolia/powernode/NodeService.java b/powernode-base/src/main/java/com/merkle/oss/magnolia/powernode/NodeService.java
index 9fced80..6f91663 100644
--- a/powernode-base/src/main/java/com/merkle/oss/magnolia/powernode/NodeService.java
+++ b/powernode-base/src/main/java/com/merkle/oss/magnolia/powernode/NodeService.java
@@ -19,6 +19,13 @@
 import java.util.stream.StreamSupport;
 
 public class NodeService {
+	private static final Predicate<Node> EXCLUDE_META_DATA_FILTER = node -> {
+		try {
+			return !node.getName().startsWith(NodeTypes.JCR_PREFIX) && !NodeUtil.isNodeType(node, NodeTypes.MetaData.NAME);
+		}catch (RepositoryException e) {
+			return false;
+		}
+	};
 	private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
 	private final LocalizedNameProvider localizedNameProvider;
 	private final NodeNameHelper nodeNameHelper;
@@ -196,7 +203,8 @@ public Stream<Node> streamChildren(final Node node) {
 				.map(nodeIterator -> (Iterator<Node>)nodeIterator)
 				.flatMap(nodeIterator ->
 						StreamSupport.stream(Spliterators.spliteratorUnknownSize(nodeIterator, Spliterator.ORDERED), false)
-				);
+				)
+				.filter(EXCLUDE_META_DATA_FILTER);
 	}
 
 	public Stream<Node> streamChildren(final Node node, final Predicate<Node> predicate) {