Added support of copying remote directory without specifying whether …

…its a low priority upload

Signed-off-by: vikasvb90 <[email protected]>

server/src/main/java/org/opensearch/index/store/RemoteSegmentStoreDirectory.java

@@ -442,6 +442,21 @@ public IndexInput openInput(String name, IOContext context) throws IOException {
         }
     }
 
+    /**
+     * Copies a file from the source directory to a remote based on multi-stream upload support.
+     * If vendor plugin supports uploading multiple parts in parallel, <code>BlobContainer#writeBlobByStreams</code>
+     * will be used, else, the legacy {@link RemoteSegmentStoreDirectory#copyFrom(Directory, String, String, IOContext)}
+     * will be called.
+     *
+     * @param from     The directory for the file to be uploaded
+     * @param src      File to be uploaded
+     * @param context  IOContext to be used to open IndexInput of file during remote upload
+     * @param listener Listener to handle upload callback events
+     */
+    public void copyFrom(Directory from, String src, IOContext context, ActionListener<Void> listener) {
+        copyFrom(from, src, context, listener, false);
+    }
+
     /**
      * Copies a file from the source directory to a remote based on multi-stream upload support.
      * If vendor plugin supports uploading multiple parts in parallel, <code>BlobContainer#writeBlobByStreams</code>