/**
* archive application logs base on retain factor (name, or date) and num2keep (# of files per
* name, or # of days)
*
* @param dataType type of logs
* @param retainFactor name, or time
* @param numToKeep # of files/name, or # of days
*/
public static void deleteLogs(String dataType, String retainFactor, int numToKeep) {
try {
DataType dType = DataType.valueOf(dataType.toUpperCase());
IJobLogger jobLogger = UserDataProvider.getJobLoggerOfType(dType);
List<String> logFiles = jobLogger.listLogs();
ArrayList<String> deletedFiles = new ArrayList<String>();
if (StringUtil.equalIgnoreCase("time", retainFactor)) {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, 0 - numToKeep);
long ts = cal.getTimeInMillis();
for (String logFile : logFiles) {
long fileTs = Long.parseLong(BaseLog.getLogMetaFromName(logFile).get("timeStamp"));
if (fileTs < ts) {
jobLogger.deleteLog(logFile);
deletedFiles.add(logFile);
}
}
} else if (StringUtil.equalIgnoreCase("name", retainFactor)) {
HashMap<String, AtomicInteger> nameCount = new HashMap<String, AtomicInteger>();
for (String logFile : logFiles) {
String lastToken = BaseLog.getLogMetaFromName(logFile).get("lastToken");
if (!nameCount.containsKey(lastToken)) {
nameCount.put(lastToken, new AtomicInteger(0));
}
if (nameCount.get(lastToken).incrementAndGet() > numToKeep) {
jobLogger.deleteLog(logFile);
deletedFiles.add(logFile);
}
}
}
renderJSON(deletedFiles);
} catch (Throwable t) {
t.printStackTrace();
renderJSON("Error occured in delete logs " + StringUtil.getStackTrace(t));
}
} // end func
@Override
public IntervalJob getJobById(String jobId) throws IOException {
String jobContent = userDataDao.readData(jobType, jobId);
return (IntervalJob) JsonUtil.decode(jobContent, jobType.getDoKlass());
}