/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
protected internal virtual void FetchData()
{
reqAppStates = EnumSet.NoneOf <YarnApplicationState>();
string reqStateString = $(YarnWebParams.AppState);
if (reqStateString != null && !reqStateString.IsEmpty())
{
string[] appStateStrings = reqStateString.Split(",");
foreach (string stateString in appStateStrings)
{
reqAppStates.AddItem(YarnApplicationState.ValueOf(stateString.Trim()));
}
}
callerUGI = GetCallerUGI();
GetApplicationsRequest request = GetApplicationsRequest.NewInstance(reqAppStates);
string appsNumStr = $(YarnWebParams.AppsNum);
if (appsNumStr != null && !appsNumStr.IsEmpty())
{
long appsNum = long.Parse(appsNumStr);
request.SetLimit(appsNum);
}
if (callerUGI == null)
{
appReports = appBaseProt.GetApplications(request).GetApplicationList();
}
else
{
appReports = callerUGI.DoAs(new _PrivilegedExceptionAction_87(this, request));
}
}
public virtual AppsInfo GetApps(HttpServletRequest req, HttpServletResponse res,
string stateQuery, ICollection <string> statesQuery, string finalStatusQuery, string
userQuery, string queueQuery, string count, string startedBegin, string startedEnd
, string finishBegin, string finishEnd, ICollection <string> applicationTypes)
{
UserGroupInformation callerUGI = GetUser(req);
bool checkStart = false;
bool checkEnd = false;
bool checkAppTypes = false;
bool checkAppStates = false;
long countNum = long.MaxValue;
// set values suitable in case both of begin/end not specified
long sBegin = 0;
long sEnd = long.MaxValue;
long fBegin = 0;
long fEnd = long.MaxValue;
if (count != null && !count.IsEmpty())
{
countNum = long.Parse(count);
if (countNum <= 0)
{
throw new BadRequestException("limit value must be greater then 0");
}
}
if (startedBegin != null && !startedBegin.IsEmpty())
{
checkStart = true;
sBegin = long.Parse(startedBegin);
if (sBegin < 0)
{
throw new BadRequestException("startedTimeBegin must be greater than 0");
}
}
if (startedEnd != null && !startedEnd.IsEmpty())
{
checkStart = true;
sEnd = long.Parse(startedEnd);
if (sEnd < 0)
{
throw new BadRequestException("startedTimeEnd must be greater than 0");
}
}
if (sBegin > sEnd)
{
throw new BadRequestException("startedTimeEnd must be greater than startTimeBegin"
);
}
if (finishBegin != null && !finishBegin.IsEmpty())
{
checkEnd = true;
fBegin = long.Parse(finishBegin);
if (fBegin < 0)
{
throw new BadRequestException("finishTimeBegin must be greater than 0");
}
}
if (finishEnd != null && !finishEnd.IsEmpty())
{
checkEnd = true;
fEnd = long.Parse(finishEnd);
if (fEnd < 0)
{
throw new BadRequestException("finishTimeEnd must be greater than 0");
}
}
if (fBegin > fEnd)
{
throw new BadRequestException("finishTimeEnd must be greater than finishTimeBegin"
);
}
ICollection <string> appTypes = ParseQueries(applicationTypes, false);
if (!appTypes.IsEmpty())
{
checkAppTypes = true;
}
// stateQuery is deprecated.
if (stateQuery != null && !stateQuery.IsEmpty())
{
statesQuery.AddItem(stateQuery);
}
ICollection <string> appStates = ParseQueries(statesQuery, true);
if (!appStates.IsEmpty())
{
checkAppStates = true;
}
AppsInfo allApps = new AppsInfo();
ICollection <ApplicationReport> appReports = null;
GetApplicationsRequest request = GetApplicationsRequest.NewInstance();
request.SetLimit(countNum);
try
{
if (callerUGI == null)
{
// TODO: the request should take the params like what RMWebServices does
// in YARN-1819.
appReports = appBaseProt.GetApplications(request).GetApplicationList();
}
else
{
appReports = callerUGI.DoAs(new _PrivilegedExceptionAction_161(this, request));
}
}
catch (Exception e)
{
RewrapAndThrowException(e);
}
foreach (ApplicationReport appReport in appReports)
{
if (checkAppStates && !appStates.Contains(StringUtils.ToLowerCase(appReport.GetYarnApplicationState
().ToString())))
{
continue;
}
if (finalStatusQuery != null && !finalStatusQuery.IsEmpty())
{
FinalApplicationStatus.ValueOf(finalStatusQuery);
if (!Sharpen.Runtime.EqualsIgnoreCase(appReport.GetFinalApplicationStatus().ToString
(), finalStatusQuery))
{
continue;
}
}
if (userQuery != null && !userQuery.IsEmpty())
{
if (!appReport.GetUser().Equals(userQuery))
{
continue;
}
}
if (queueQuery != null && !queueQuery.IsEmpty())
{
if (!appReport.GetQueue().Equals(queueQuery))
{
continue;
}
}
if (checkAppTypes && !appTypes.Contains(StringUtils.ToLowerCase(appReport.GetApplicationType
().Trim())))
{
continue;
}
if (checkStart && (appReport.GetStartTime() < sBegin || appReport.GetStartTime()
> sEnd))
{
continue;
}
if (checkEnd && (appReport.GetFinishTime() < fBegin || appReport.GetFinishTime()
> fEnd))
{
continue;
}
AppInfo app = new AppInfo(appReport);
allApps.Add(app);
}
return(allApps);
}