Dummy implementation of invalidateAll() for (Volatile)Cache

This will be needed by VolatileGlobalCellCache.clearCache(), but so far it
just throws an exception.

src/main/java/bdv/cache/revised/Cache.java

@@ -23,8 +23,9 @@ public interface Cache< K, V >
 	 */
 	V get( K key, Callable< ? extends V > loader ) throws ExecutionException;
 
+	void invalidateAll();
+
 //	void cleanUp();
 //	void invalidate( Object key );
-//	void invalidateAll();
 //	long size();
 }

src/main/java/bdv/cache/revised/SoftRefCache.java

@@ -150,4 +150,11 @@ public class SoftRefCache< K, V > implements Cache< K, V >
 		}
 		return i;
 	}
+
+	@Override
+	public void invalidateAll()
+	{
+		// TODO
+		throw new UnsupportedOperationException( "not implemented yet" );
+	}
 }

src/main/java/bdv/cache/revised/VolatileCache.java

@@ -24,8 +24,9 @@ public interface VolatileCache< K, V >
 	 */
 	V get( K key, VolatileLoader< ? extends V > loader, final CacheHints cacheHints ) throws ExecutionException;
 
+	void invalidateAll();
+
 //	void cleanUp();
 //	void invalidate( Object key );
-//	void invalidateAll();
 //	long size();
 }

src/main/java/bdv/cache/revised/WeakRefVolatileCache.java

@@ -204,6 +204,12 @@ public class WeakRefVolatileCache< K, V extends VolatileCacheValue > implements
 		return i;
 	}
 
+	@Override
+	public void invalidateAll()
+	{
+		// TODO
+		throw new UnsupportedOperationException( "not implemented yet" );
+	}