BAEL-1734 move packages from libraries to libraries-data

libraries-data/src/main/java/com/baeldung/jcache/SimpleCacheLoader.java

@@ -0,0 +1,24 @@
+package com.baeldung.jcache;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.cache.integration.CacheLoader;
+import javax.cache.integration.CacheLoaderException;
+
+public class SimpleCacheLoader implements CacheLoader<Integer, String> {
+
+    @Override
+    public String load(Integer key) throws CacheLoaderException {
+        return "fromCache" + key;
+    }
+
+    @Override
+    public Map<Integer, String> loadAll(Iterable<? extends Integer> keys) throws CacheLoaderException {
+        Map<Integer, String> data = new HashMap<>();
+        for (int key : keys) {
+            data.put(key, load(key));
+        }
+        return data;
+    }
+}