HCOLL-234 as agreeded changed method name to "putWithMapping()"

src/main/java/net/openhft/chronicle/map/ChronicleMap.java

@@ -204,12 +204,12 @@ public interface ChronicleMap<K, V> extends ConcurrentMap<K, V>, ChronicleHash {
      * Apply a mutator to the value for a key and return a result. A write lock is assumed. <p> If
      * there is no entry for this key it will be created and the value empty.
      *
+     * @param <R>     return type.
      * @param key     to apply the mapping to
      * @param mutator to alter the value and calculate a result
-     * @param <R>     return type.
      * @return the result of the function.
      */
-    <R> R updateForKey(K key, @NotNull Mutator<? super V, R> mutator);
+    <R> R putWithMapping(K key, @NotNull Mutator<? super V, R> mutator);
 
     /**
      * exports all the entries to a {@link java.io.File} storing them in JSON format, an attempt is

src/main/java/net/openhft/chronicle/map/StatelessChronicleMap.java

@@ -490,7 +490,7 @@ class StatelessChronicleMap<K, V> implements ChronicleMap<K, V>, Closeable, Clon
 
     @Nullable
     @Override
-    public <R> R updateForKey(@Nullable K key, @NotNull Mutator<? super V, R> mutator) {
+    public <R> R putWithMapping(@Nullable K key, @NotNull Mutator<? super V, R> mutator) {
         if (key == null)
             throw keyNotNullNPE();
         return fetchObject(UPDATE_FOR_KEY, key, mutator);

src/main/java/net/openhft/chronicle/map/TcpReplicator.java

@@ -1442,7 +1442,7 @@ class StatelessServerConnector<K, V> {
         final K key = keyReaderWithSize.read(reader, null);
         final Mutator<V, ?> mutator = (Mutator<V, ?>) reader.readObject();
         try {
-            Object result = map.updateForKey(key, mutator);
+            Object result = map.putWithMapping(key, mutator);
             writer.writeObject(result);
         } catch (Throwable e) {
             LOG.info("", e);

src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java

@@ -559,7 +559,7 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
     }
 
     @Override
-    public <R> R updateForKey(K key, @NotNull Mutator<? super V, R> mutator) {
+    public <R> R putWithMapping(K key, @NotNull Mutator<? super V, R> mutator) {
 
 
         if (!(CharSequence.class.isAssignableFrom(vClass))) {
@@ -573,7 +573,8 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
                 if (!entry.wasPresent())
                     return null;
 
-                return mutator.update(entry.value());
+                R result = mutator.update(entry.value());
+                ((MutableLockedEntry) entry).value(result);
             }
 
         }