move isCache/cleanCache to BasicLibrary, improve filter()

[fanfix.git] / src / be / nikiroo / fanfix / library / BasicLibrary.java

diff --git a/src/be/nikiroo/fanfix/library/BasicLibrary.java b/src/be/nikiroo/fanfix/library/BasicLibrary.java
index b92e5b078b01047e4e40375ec401f47b4f6bfe73..c6ce22dd24c1c4fa85f60edfdcea7bd5f8de1b05 100644 (file)
--- a/src/be/nikiroo/fanfix/library/BasicLibrary.java
+++ b/src/be/nikiroo/fanfix/library/BasicLibrary.java
@@ -345,6 +345,36 @@ abstract public class BasicLibrary {
                        // We will let it fail later
                }
        }
+       
+       /**
+        * Check if the {@link Story} denoted by this Library UID is present in the
+        * cache (if we have no cache, we default to </t>true</tt>).
+        * 
+        * @param luid
+        *            the Library UID
+        * 
+        * @return TRUE if it is
+        */
+       public boolean isCached(String luid) {
+               // By default, everything is cached
+               return true;
+       }
+       
+       /**
+        * Clear the {@link Story} from the cache, if needed.
+        * <p>
+        * The next time we try to retrieve the {@link Story}, it may be required to
+        * cache it again.
+        * 
+        * @param luid
+        *            the story to clear
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       public void clearFromCache(String luid) throws IOException {
+               // By default, this is a noop.
+       }
 
        /**
         * List all the known types (sources) of stories.
@@ -584,17 +614,11 @@ abstract public class BasicLibrary {
         * @throws IOException in case of IOException
         * 
         * @deprecated use {@link BasicLibrary#getList(Progress)} and
-        *             {@link MetaResultList#filter(List, List, List)}
+        *             {@link MetaResultList#filter(String, String, String)}
         */
        @Deprecated
        public synchronized List<MetaData> getListBySource(String source) throws IOException {
-               List<String> sources = null;
-               if (source != null) {
-                       sources = new ArrayList<String>();
-                       sources.add(source);
-               }
-
-               return getList(null).filter(sources, null, null);
+               return getList(null).filter(source, null, null);
        }
 
        /**
@@ -612,16 +636,10 @@ abstract public class BasicLibrary {
         *             in case of IOException
         *             
         *             @deprecated use {@link BasicLibrary#getList(Progress)} and
-        *             {@link MetaResultList#filter(List, List, List)}
+        *             {@link MetaResultList#filter(String, String, String)}
         */
        public synchronized List<MetaData> getListByAuthor(String author) throws IOException {
-               List<String> authors = null;
-               if (author != null) {
-                       authors = new ArrayList<String>();
-                       authors.add(author);
-               }
-
-               return getList(null).filter(null, authors, null);
+               return getList(null).filter(null, author, null);
        }
 
        /**