try _writer.onInit(wh);
@Override public void onInit(WriteHandle wh) { _writer.onInit(new com.linkedin.entitystream.WriteHandle<ByteString>() { @Override public void write(ByteString data) { wh.write(data); } @Override public void done() { wh.done(); } @Override public void error(Throwable throwable) { wh.error(throwable); } @Override public int remaining() { return wh.remaining(); } }); }