(camel-quarkus) 20/34: Fix com.cedarsoftware:java-util ThreadedLRUCacheStrategy static scheduler field for native mode

[gi...@apache.org]

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commit 9bccb0380e0dbb9456fe12f79b583e4c1c755d9c
Author: James Netherton <ja...@gmail.com>
AuthorDate: Tue May 6 13:27:18 2025 +0100

    Fix com.cedarsoftware:java-util ThreadedLRUCacheStrategy static scheduler field for native mode
---
 extensions/headersmap/runtime/pom.xml              |  5 +++
 .../ThreadedLRUCacheStrategySubstitutions.java     | 40 ++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/extensions/headersmap/runtime/pom.xml b/extensions/headersmap/runtime/pom.xml
index 2cb790c7ec..3ad331d488 100644
--- a/extensions/headersmap/runtime/pom.xml
+++ b/extensions/headersmap/runtime/pom.xml
@@ -44,6 +44,11 @@
             <groupId>org.apache.camel</groupId>
             <artifactId>camel-headersmap</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.graalvm.sdk</groupId>
+            <artifactId>graal-sdk</artifactId>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/extensions/headersmap/runtime/src/main/java/org/apache/camel/quarkus/component/headersmap/graal/ThreadedLRUCacheStrategySubstitutions.java b/extensions/headersmap/runtime/src/main/java/org/apache/camel/quarkus/component/headersmap/graal/ThreadedLRUCacheStrategySubstitutions.java
new file mode 100644
index 0000000000..43230c4c8f
--- /dev/null
+++ b/extensions/headersmap/runtime/src/main/java/org/apache/camel/quarkus/component/headersmap/graal/ThreadedLRUCacheStrategySubstitutions.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.quarkus.component.headersmap.graal;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ThreadFactory;
+
+import com.cedarsoftware.util.cache.ThreadedLRUCacheStrategy;
+import com.oracle.svm.core.annotate.Alias;
+import com.oracle.svm.core.annotate.RecomputeFieldValue;
+import com.oracle.svm.core.annotate.TargetClass;
+
+@TargetClass(ThreadedLRUCacheStrategy.class)
+final class ThreadedLRUCacheStrategySubstitutions {
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.FromAlias)
+    private static ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(new ThreadFactory() {
+        @Override
+        public Thread newThread(Runnable r) {
+            Thread thread = new Thread(r, "LRUCache-Purge-Thread");
+            thread.setDaemon(true);
+            return thread;
+        }
+    });
+}