@Override
    public void cancel() {
       // throw new RuntimeException("Stopped");
        //this.storage.rollbackTx();
    }
@see io.apiman.manager.api.exportimport.read.IImportReaderDispatcher#cancel()
manager/api/export-import/src/main/java/io/apiman/manager/api/exportimport/manager/StorageImportDispatcher.java