feat: futureCache getAll in DataLoader

Author: samvazquez

src/main/java/org/dataloader/CacheMap.java

@@ -20,6 +20,7 @@
 import org.dataloader.impl.DefaultCacheMap;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.concurrent.CompletableFuture;
 
 /**
@@ -75,7 +76,7 @@ static <K, V> CacheMap<K, V> simpleMap() {
     CompletableFuture<V> get(K key);
 
     /**
-     * Gets a collection of CompletableFutures of the cache map.
+     * Gets a read-only collection of CompletableFutures of the cache map.
      * @return the collection of cached values
      */
     Collection<CompletableFuture<V>> getAll();

src/main/java/org/dataloader/DataLoader.java

@@ -458,7 +458,7 @@ public Duration getTimeSinceDispatch() {
      * @return read-only collection of CompletableFutures
      */
     public Collection<CompletableFuture<V>> getCacheFutures() {
-        return helper.getCacheFutures();
+        return Collections.unmodifiableCollection(futureCache.getAll());
     }
 
     /**

src/main/java/org/dataloader/DataLoaderHelper.java

@@ -9,7 +9,6 @@
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
@@ -100,10 +99,6 @@ public Instant getLastDispatchTime() {
         return lastDispatchTime.get();
     }
 
-    public Collection<CompletableFuture<V>> getCacheFutures() {
-        return Collections.unmodifiableCollection(futureCache.getAll());
-    }
-
     Optional<CompletableFuture<V>> getIfPresent(K key) {
         synchronized (dataLoader) {
             boolean cachingEnabled = loaderOptions.cachingEnabled();