Github user bwmcbride commented on a diff in the pull request:
https://github.com/apache/jena/pull/123#discussion_r50546853
--- Diff:
jena-text/src/main/java/org/apache/jena/query/text/TextDatasetFactory.java ---
@@ -191,5 +213,50 @@ public static DatasetGraph
createSolrIndex(DatasetGraph base, SolrServer server,
TextIndex index = createSolrIndex(server, entMap) ;
return create(base, index, true) ;
}
+
+ protected static class LuceneIndexMap {
+
+ private static HashMap<Object, WeakReference<TextIndex>> map =
new HashMap<Object, WeakReference<TextIndex>>();
+
+ protected synchronized TextIndex get(Directory directory) {
+ Object key = key(directory);
+ WeakReference<TextIndex> ref = map.get(key);
+ if (ref == null)
+ return null;
+ TextIndex result = ref.get();
+ if (result == null)
+ map.put(key, null);
+ return result;
+ }
+
+ protected synchronized void put(Directory directory, TextIndex
index) {
+ map.put(key(directory), new
WeakReference<TextIndex>(index));
+ }
+
+ protected synchronized void remove(Directory directory) {
+ map.put(key(directory), null);
+ }
+
+ private Object key(Directory directory) {
+ // uglyness alert
+ if (directory instanceof FSDirectory) {
+ return getFilePath( ( (FSDirectory)
directory).getDirectory() );
+ } else if (directory instanceof CompoundFileDirectory) {
+ return getFilePath( ( (FSDirectory)
directory).getDirectory() );
--- End diff --
Yes - thank you. Will fix.
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