From 26726bf44766734063320b72cc16ef23f4e82baf Mon Sep 17 00:00:00 2001
From: Knut Wannheden <knut@moderne.io>
Date: Tue, 25 Feb 2025 11:37:38 +0100
Subject: [PATCH] Only deserialize type tables when there are artifacts to
 match

---
 .../java/org/openrewrite/java/internal/parser/TypeTable.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rewrite-java/src/main/java/org/openrewrite/java/internal/parser/TypeTable.java b/rewrite-java/src/main/java/org/openrewrite/java/internal/parser/TypeTable.java
index 36cd0140584..9f853e9a79a 100644
--- a/rewrite-java/src/main/java/org/openrewrite/java/internal/parser/TypeTable.java
+++ b/rewrite-java/src/main/java/org/openrewrite/java/internal/parser/TypeTable.java
@@ -139,6 +139,11 @@ static class Reader {
         private final Map<ClassDefinition, List<Member>> membersByClassName = new HashMap<>();
 
         public void read(InputStream is, Collection<String> artifactNames) throws IOException {
+            if (artifactNames.isEmpty()) {
+                // could be empty due to the filtering in `artifactsNotYetWritten()`
+                return;
+            }
+
             Set<Pattern> artifactNamePatterns = artifactNames.stream()
                     .map(name -> Pattern.compile(name + ".*"))
                     .collect(Collectors.toSet());