Fix #23112: Expand visibility of some objects and methods in JCSCache…

…dTileLoaderJob for plugin subclasses

git-svn-id: https://josm.openstreetmap.de/svn/trunk@18831 0c6e7542-c601-0410-84e7-c038aed88b3b

src/org/openstreetmap/josm/data/cache/JCSCachedTileLoaderJob.java

@@ -85,7 +85,7 @@ public abstract class JCSCachedTileLoaderJob<K, V extends CacheEntry> implements
 
     protected final long now; // when the job started
 
-    private final ICacheAccess<K, V> cache;
+    protected final ICacheAccess<K, V> cache;
     private ICacheElement<K, V> cacheElement;
     protected V cacheData;
     protected CacheEntryAttributes attributes;
@@ -293,8 +293,9 @@ protected boolean isCacheElementValid() {
 
     /**
      * @return true if object was successfully downloaded, false, if there was a loading failure
+     * @since 18831
      */
-    private boolean loadObject() {
+    protected boolean loadObject() {
         if (attributes == null) {
             attributes = new CacheEntryAttributes();
         }