1 files changed, 43 insertions, 0 deletions
diff --git a/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/MDCTaskDecorator.java b/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/MDCTaskDecorator.java
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+++ b/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/MDCTaskDecorator.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - Logging
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.logging.filter.spring;
+
+import java.util.Map;
+import org.slf4j.MDC;
+import org.springframework.core.task.TaskDecorator;
+
+public class MDCTaskDecorator implements TaskDecorator {
+
+    @Override
+    public Runnable decorate(Runnable runnable) {
+        Map<String, String> contextMap = MDC.getCopyOfContextMap();
+        return () -> {
+            try {
+                if (contextMap != null) {
+                    MDC.setContextMap(contextMap);
+                    runnable.run();
+                }
+            } finally {
+                MDC.clear();
+            }
+        };
+    }
+}