@Override
    public FileReference addBlob(String name, ByteBuffer blob) {
        writeBlob(blob, name);
        File file = appPath.resolve(name).toFile();
        FileReference fileReference = new FileReference("LocalFileDb:" + name);
        fileReferenceToFile.put(fileReference, file);
        return fileReference;
    }
FileAcquirer and FileRegistry working on a local directory.

@author Tony Vaagenes
@author ollivir
standalone-container/src/main/java/com/yahoo/container/standalone/LocalFileDb.java