private GatewayCall buildCall(List<Column> columns, String id) { if (columns != null && columns.size() > 0) { GatewayCall call = new GatewayCall(); call.setCallId(id); for (Column column : columns) { String name = Bytes.toUTF8(column.getName()); if (name.equals("node")) { call.setNodeJid(Bytes.toUTF8(column.getValue())); } if (name.equals("jid")) { call.setClientJid(Bytes.toUTF8(column.getValue())); } } return call; } return null; }