add hook for Directory impls to directly supply their size (#141)

cowpaths · Sep 13, 2023 · 110a296 · 110a296
1 parent c238c08
commit 110a296
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/solr/core/src/java/org/apache/solr/core/DirectoryFactory.java b/solr/core/src/java/org/apache/solr/core/DirectoryFactory.java
@@ -265,7 +265,14 @@ public boolean isAbsolute(String path) {
     return Path.of(path).isAbsolute();
   }
 
+  public interface SizeAware {
+    long size() throws IOException;
+  }
+
   public static long sizeOfDirectory(Directory directory) throws IOException {
+    if (directory instanceof SizeAware) {
+      return ((SizeAware) directory).size();
+    }
     final String[] files = directory.listAll();
     long size = 0;