agresch commented on a change in pull request #3363:
URL: https://github.com/apache/storm/pull/3363#discussion_r553613826
##########
File path:
external/storm-hdfs-blobstore/src/main/java/org/apache/storm/hdfs/blobstore/HdfsBlobStoreImpl.java
##########
@@ -312,4 +313,54 @@ public void shutdown() {
timer.cancel();
}
}
+
+ /**
+ * Get the last modification time of any blob.
+ *
+ * @return the last modification time of blobs within the blobstore.
+ * @throws IOException on any error
+ */
+ public long getLastModTime() throws IOException {
+ long modtime =
fileSystem.getFileStatus(fullPath).getModificationTime();
+ return modtime;
+ }
+
+ /**
+ * Updates the modification time of the blobstore to the current time.
+ *
+ * @throws IOException on any error
+ */
+ public void updateLastModTime() throws IOException {
+ long timestamp = Time.currentTimeMillis();
+ fileSystem.setTimes(fullPath, timestamp, timestamp);
Review comment:
Updated with this change and addressed your other comments.
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