From 60e69413eaefeb49add7972e394c04915446cb4f Mon Sep 17 00:00:00 2001
From: Tatu Saloranta <tatu.saloranta@iki.fi>
Date: Fri, 15 Dec 2023 20:43:43 -0800
Subject: [PATCH] Fix #178: replace LRUMap with one from jackson-databind
 (#179)

---
 .../java/com/fasterxml/jackson/jaxrs/base/ProviderBase.java  | 2 +-
 .../main/java/com/fasterxml/jackson/jaxrs/util/LRUMap.java   | 5 ++++-
 release-notes/VERSION-2.x                                    | 4 ++++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/base/src/main/java/com/fasterxml/jackson/jaxrs/base/ProviderBase.java b/base/src/main/java/com/fasterxml/jackson/jaxrs/base/ProviderBase.java
index 40203fac..cf8a9da1 100644
--- a/base/src/main/java/com/fasterxml/jackson/jaxrs/base/ProviderBase.java
+++ b/base/src/main/java/com/fasterxml/jackson/jaxrs/base/ProviderBase.java
@@ -12,11 +12,11 @@
 import com.fasterxml.jackson.core.*;
 
 import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.util.LRUMap;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 
 import com.fasterxml.jackson.jaxrs.cfg.*;
 import com.fasterxml.jackson.jaxrs.util.ClassKey;
-import com.fasterxml.jackson.jaxrs.util.LRUMap;
 
 public abstract class ProviderBase<
     THIS extends ProviderBase<THIS, MAPPER, EP_CONFIG, MAPPER_CONFIG>,
diff --git a/base/src/main/java/com/fasterxml/jackson/jaxrs/util/LRUMap.java b/base/src/main/java/com/fasterxml/jackson/jaxrs/util/LRUMap.java
index 19985967..c6801715 100644
--- a/base/src/main/java/com/fasterxml/jackson/jaxrs/util/LRUMap.java
+++ b/base/src/main/java/com/fasterxml/jackson/jaxrs/util/LRUMap.java
@@ -3,11 +3,15 @@
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+// TO BE REMOVED FROM JACKSON 2.18 or later
 /**
  * Helper for simple bounded LRU maps used for reusing lookup values.
  *
  * @since 2.2
+ *
+ * @deprecated Since 2.16.1 Use one from {@code jackson-databind} instead.
  */
+@Deprecated // since 2.16.1
 @SuppressWarnings("serial")
 public class LRUMap<K,V> extends LinkedHashMap<K,V>
 {
@@ -24,5 +28,4 @@ protected boolean removeEldestEntry(Map.Entry<K,V> eldest)
     {
         return size() > _maxEntries;
     }
-
 }
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 28f7913d..601b0e9d 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -10,6 +10,10 @@ Sub-modules:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.16.1 (not yet released)
+
+#178: Deprecate local `LRUMap`, use `jackson-databind` provided one instead
+
 2.16.0 (15-Nov-2023)
 
 No changes since 2.15