@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
GenericBoltUtils genericBoltUtils = new GenericBoltUtils();
outputFieldsDeclarer.declareStream(
streamId,
genericBoltUtils.getDeclareOutputFields(previousEmitFileds, statement.getColumns()));
}
private void preparedRest() throws Exception {
Pattern pattern = Pattern.compile("values(\\s*)\\((.+?)\\)");
Matcher matcher = pattern.matcher(statement.getQuery());
String[] columnsArrys = null;
while (matcher.find()) {
String columnsStr = matcher.group(2).replace(" ", "");
columnsArrys = columnsStr.split(",(?=([^\']*\'[^\']*\')*[^\']*$)", -1);
}
for (int i = 0; i < columnsArrys.length; i++) {
columnsArrys[i] = columnsArrys[i].substring(1, columnsArrys[i].length() - 1);
}
if (columnsArrys.length < 3 && columnsArrys.length % 3 != 0) {
throw new Exception("invalid rest format");
}
Pattern p = Pattern.compile("\\[\\:(.+?)\\]");
for (int i = 0; i < columnsArrys.length / 3; i++) {
RestInfo restInfo = new RestInfo();
restInfo.setCmd(RestCmd.valueOf(columnsArrys[i * 3]));
restInfo.setUrl(columnsArrys[i * 3 + 1]);
restInfo.setBody("".equals(columnsArrys[i * 3 + 2]) ? null : columnsArrys[i * 3 + 2]);
List<BaseBindColumnDef> columns = new ArrayList<BaseBindColumnDef>();
String valQuery = columnsArrys[i * 3 + 1];
Matcher m = p.matcher(valQuery);
while (m.find()) {
String bindName = m.group(1);
BaseBindColumnDef bindColumn = new BaseBindColumnDef();
bindColumn.setName(bindName);
columns.add(bindColumn);
}
restInfo.setColumns(columns);
restInfos.add(restInfo);
}
}