doc the use of mapbuilder

2010-09-23 20:06:42 +02:00 · 2010-09-23 20:06:42 +02:00 · 31fd196687
parent 097071a9d2
commit 31fd196687
1 changed files with 1 additions and 0 deletions
--- a/modules/elasticsearch/src/main/java/org/elasticsearch/common/blobstore/fs/AbstractFsBlobContainer.java
+++ b/modules/elasticsearch/src/main/java/org/elasticsearch/common/blobstore/fs/AbstractFsBlobContainer.java
@ -51,6 +51,7 @@ public abstract class AbstractFsBlobContainer extends AbstractBlobContainer {
        if (files == null || files.length == 0) {
            return ImmutableMap.of();
        }
+        // using MapBuilder and not ImmutableMap.Builder as it seems like File#listFiles might return duplicate files!
        MapBuilder<String, BlobMetaData> builder = MapBuilder.newMapBuilder();
        for (File file : files) {
            if (file.isFile()) {