Implement #1117: change the default RecyclerPool to use (#1205)

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -19,6 +19,8 @@ a pure JSON library.
 #507: Add `JsonWriteFeature.ESCAPE_FORWARD_SLASHES` to allow escaping of '/' for
   String values
  (contributed by Joo-Hyuk K)
+#1117: Change default `RecylerPool` implementation to `newLockFreePool` (from
+  `threadLocalPool`)
 #1137: Improve detection of "is a NaN" to only consider explicit cases,
   not `double` overflow/underflow
 #1145: `JsonPointer.appendProperty(String)` does not escape the property name

src/main/java/com/fasterxml/jackson/core/util/JsonRecyclerPools.java

@@ -18,12 +18,15 @@
 public final class JsonRecyclerPools
 {
     /**
-     * @return the default {@link RecyclerPool} implementation
-     *   which is the thread local based one:
-     *   basically alias to {@link #threadLocalPool()}).
+     * Method to call to get the default recycler pool instance:
+     * as of Jackson 2.17 this is same as calling
+     * {@link #newLockFreePool()}; earlier 
+     *
+     * @return the default {@link RecyclerPool} implementation to use
+     *   if no specific implementation desired.
      */
     public static RecyclerPool<BufferRecycler> defaultPool() {
-        return threadLocalPool();
+        return newLockFreePool();
     }
 
     /**