/// <exception cref="System.IO.IOException"/>
public virtual ApplicationHistoryData GetApplication(ApplicationId appId)
{
FileSystemApplicationHistoryStore.HistoryFileReader hfReader = GetHistoryFileReader
(appId);
try
{
bool readStartData = false;
bool readFinishData = false;
ApplicationHistoryData historyData = ApplicationHistoryData.NewInstance(appId, null
, null, null, null, long.MinValue, long.MinValue, long.MaxValue, null, FinalApplicationStatus
.Undefined, null);
while ((!readStartData || !readFinishData) && hfReader.HasNext())
{
FileSystemApplicationHistoryStore.HistoryFileReader.Entry entry = hfReader.Next();
if (entry.key.id.Equals(appId.ToString()))
{
if (entry.key.suffix.Equals(StartDataSuffix))
{
ApplicationStartData startData = ParseApplicationStartData(entry.value);
MergeApplicationHistoryData(historyData, startData);
readStartData = true;
}
else
{
if (entry.key.suffix.Equals(FinishDataSuffix))
{
ApplicationFinishData finishData = ParseApplicationFinishData(entry.value);
MergeApplicationHistoryData(historyData, finishData);
readFinishData = true;
}
}
}
}
if (!readStartData && !readFinishData)
{
return(null);
}
if (!readStartData)
{
Log.Warn("Start information is missing for application " + appId);
}
if (!readFinishData)
{
Log.Warn("Finish information is missing for application " + appId);
}
Log.Info("Completed reading history information of application " + appId);
return(historyData);
}
catch (IOException e)
{
Log.Error("Error when reading history file of application " + appId, e);
throw;
}
finally
{
hfReader.Close();
}
}
/// <exception cref="System.IO.IOException"/>
public virtual ContainerHistoryData GetContainer(ContainerId containerId)
{
FileSystemApplicationHistoryStore.HistoryFileReader hfReader = GetHistoryFileReader
(containerId.GetApplicationAttemptId().GetApplicationId());
try
{
bool readStartData = false;
bool readFinishData = false;
ContainerHistoryData historyData = ContainerHistoryData.NewInstance(containerId,
null, null, null, long.MinValue, long.MaxValue, null, int.MaxValue, null);
while ((!readStartData || !readFinishData) && hfReader.HasNext())
{
FileSystemApplicationHistoryStore.HistoryFileReader.Entry entry = hfReader.Next();
if (entry.key.id.Equals(containerId.ToString()))
{
if (entry.key.suffix.Equals(StartDataSuffix))
{
ContainerStartData startData = ParseContainerStartData(entry.value);
MergeContainerHistoryData(historyData, startData);
readStartData = true;
}
else
{
if (entry.key.suffix.Equals(FinishDataSuffix))
{
ContainerFinishData finishData = ParseContainerFinishData(entry.value);
MergeContainerHistoryData(historyData, finishData);
readFinishData = true;
}
}
}
}
if (!readStartData && !readFinishData)
{
return(null);
}
if (!readStartData)
{
Log.Warn("Start information is missing for container " + containerId);
}
if (!readFinishData)
{
Log.Warn("Finish information is missing for container " + containerId);
}
Log.Info("Completed reading history information of container " + containerId);
return(historyData);
}
catch (IOException e)
{
Log.Error("Error when reading history file of container " + containerId, e);
throw;
}
finally
{
hfReader.Close();
}
}
/// <exception cref="System.IO.IOException"/>
public virtual IDictionary <ApplicationAttemptId, ApplicationAttemptHistoryData> GetApplicationAttempts
(ApplicationId appId)
{
IDictionary <ApplicationAttemptId, ApplicationAttemptHistoryData> historyDataMap =
new Dictionary <ApplicationAttemptId, ApplicationAttemptHistoryData>();
FileSystemApplicationHistoryStore.HistoryFileReader hfReader = GetHistoryFileReader
(appId);
try
{
while (hfReader.HasNext())
{
FileSystemApplicationHistoryStore.HistoryFileReader.Entry entry = hfReader.Next();
if (entry.key.id.StartsWith(ConverterUtils.ApplicationAttemptPrefix))
{
ApplicationAttemptId appAttemptId = ConverterUtils.ToApplicationAttemptId(entry.key
.id);
if (appAttemptId.GetApplicationId().Equals(appId))
{
ApplicationAttemptHistoryData historyData = historyDataMap[appAttemptId];
if (historyData == null)
{
historyData = ApplicationAttemptHistoryData.NewInstance(appAttemptId, null, -1, null
, null, null, FinalApplicationStatus.Undefined, null);
historyDataMap[appAttemptId] = historyData;
}
if (entry.key.suffix.Equals(StartDataSuffix))
{
MergeApplicationAttemptHistoryData(historyData, ParseApplicationAttemptStartData(
entry.value));
}
else
{
if (entry.key.suffix.Equals(FinishDataSuffix))
{
MergeApplicationAttemptHistoryData(historyData, ParseApplicationAttemptFinishData
(entry.value));
}
}
}
}
}
Log.Info("Completed reading history information of all application" + " attempts of application "
+ appId);
}
catch (IOException)
{
Log.Info("Error when reading history information of some application" + " attempts of application "
+ appId);
}
finally
{
hfReader.Close();
}
return(historyDataMap);
}
/// <exception cref="System.IO.IOException"/>
public virtual IDictionary <ContainerId, ContainerHistoryData> GetContainers(ApplicationAttemptId
appAttemptId)
{
IDictionary <ContainerId, ContainerHistoryData> historyDataMap = new Dictionary <ContainerId
, ContainerHistoryData>();
FileSystemApplicationHistoryStore.HistoryFileReader hfReader = GetHistoryFileReader
(appAttemptId.GetApplicationId());
try
{
while (hfReader.HasNext())
{
FileSystemApplicationHistoryStore.HistoryFileReader.Entry entry = hfReader.Next();
if (entry.key.id.StartsWith(ConverterUtils.ContainerPrefix))
{
ContainerId containerId = ConverterUtils.ToContainerId(entry.key.id);
if (containerId.GetApplicationAttemptId().Equals(appAttemptId))
{
ContainerHistoryData historyData = historyDataMap[containerId];
if (historyData == null)
{
historyData = ContainerHistoryData.NewInstance(containerId, null, null, null, long.MinValue
, long.MaxValue, null, int.MaxValue, null);
historyDataMap[containerId] = historyData;
}
if (entry.key.suffix.Equals(StartDataSuffix))
{
MergeContainerHistoryData(historyData, ParseContainerStartData(entry.value));
}
else
{
if (entry.key.suffix.Equals(FinishDataSuffix))
{
MergeContainerHistoryData(historyData, ParseContainerFinishData(entry.value));
}
}
}
}
}
Log.Info("Completed reading history information of all conatiners" + " of application attempt "
+ appAttemptId);
}
catch (IOException)
{
Log.Info("Error when reading history information of some containers" + " of application attempt "
+ appAttemptId);
}
finally
{
hfReader.Close();
}
return(historyDataMap);
}