add missing @override (#975)

* no effective code change: add missing @override in "io.ebean.*" package
* no effective code change: add missing @override in "io.ebeaninternal.api.*" package
* no effective code change: add missing @override in "io.ebeaninternal.server.*" package
* no effective code change: add missing @override in "io.ebeaninternal.util.*" package
* no effective code change: add missing @override in "io.ebeanservice.*" package
* no effective code change: add missing @override in "src/test/java/"

src/main/java/io/ebeaninternal/server/cache/CachedBeanData.java

@@ -72,6 +72,7 @@ public class CachedBeanData implements Externalizable {
     }
   }
 
+  @Override
   public String toString() {
     return data.toString();
   }

src/main/java/io/ebeaninternal/server/cache/CachedManyIds.java

@@ -44,6 +44,7 @@ public class CachedManyIds implements Externalizable {
     }
   }
 
+  @Override
   public String toString() {
     return idList.toString();
   }

src/main/java/io/ebeaninternal/server/cache/DefaultServerCache.java

@@ -344,6 +344,7 @@ public class DefaultServerCache implements ServerCache {
 
     private static final long serialVersionUID = 1L;
 
+    @Override
     public int compare(CacheEntry entry1, CacheEntry entry2) {
       long x = entry1.getLastAccessTime();
       long y = entry2.getLastAccessTime();

src/main/java/io/ebeaninternal/server/cache/DefaultServerCacheFactory.java

@@ -28,6 +28,7 @@ class DefaultServerCacheFactory implements ServerCacheFactory {
     this.executor = executor;
   }
 
+  @Override
   public ServerCache createCache(ServerCacheType type, String cacheKey, ServerCacheOptions cacheOptions) {
 
     DefaultServerCache cache = new DefaultServerCache(cacheKey, cacheOptions);

src/main/java/io/ebeaninternal/server/cache/DefaultServerCacheManager.java

@@ -34,6 +34,7 @@ public class DefaultServerCacheManager implements SpiCacheManager {
     this(true, null, new DefaultServerCacheFactory(), new ServerCacheOptions(), new ServerCacheOptions());
   }
 
+  @Override
   public boolean isLocalL2Caching() {
     return localL2Caching;
   }
@@ -41,14 +42,17 @@ public class DefaultServerCacheManager implements SpiCacheManager {
   /**
    * Clear all caches.
    */
+  @Override
   public void clearAll() {
     cacheHolder.clearAll();
   }
 
+  @Override
   public Supplier<ServerCache> getCollectionIdsCache(Class<?> beanType, String propertyName) {
     return cacheHolder.getCache(beanType, name(beanType) + "." + propertyName, ServerCacheType.COLLECTION_IDS);
   }
 
+  @Override
   public Supplier<ServerCache> getNaturalKeyCache(Class<?> beanType) {
     return cacheHolder.getCache(beanType, name(beanType), ServerCacheType.NATURAL_KEY);
   }
@@ -56,6 +60,7 @@ public class DefaultServerCacheManager implements SpiCacheManager {
   /**
    * Return the query cache for a given bean type.
    */
+  @Override
   public Supplier<ServerCache> getQueryCache(Class<?> beanType) {
     return cacheHolder.getCache(beanType, name(beanType), ServerCacheType.QUERY);
   }
@@ -63,6 +68,7 @@ public class DefaultServerCacheManager implements SpiCacheManager {
   /**
    * Return the bean cache for a given bean type.
    */
+  @Override
   public Supplier<ServerCache> getBeanCache(Class<?> beanType) {
     return cacheHolder.getCache(beanType, name(beanType), ServerCacheType.BEAN);
   }