/// <summary>Constructs the HistoryViewer object</summary>
/// <param name="historyFile">The fully qualified Path of the History File</param>
/// <param name="conf">The Configuration file</param>
/// <param name="printAll">Toggle to print all status to only killed/failed status</param>
/// <exception cref="System.IO.IOException"/>
public HistoryViewer(string historyFile, Configuration conf, bool printAll)
{
this.printAll = printAll;
string errorMsg = "Unable to initialize History Viewer";
try
{
Path jobFile = new Path(historyFile);
fs = jobFile.GetFileSystem(conf);
string[] jobDetails = jobFile.GetName().Split("_");
if (jobDetails.Length < 2)
{
// NOT a valid name
System.Console.Error.WriteLine("Ignore unrecognized file: " + jobFile.GetName());
throw new IOException(errorMsg);
}
JobHistoryParser parser = new JobHistoryParser(fs, jobFile);
job = parser.Parse();
jobId = job.GetJobId().ToString();
}
catch (Exception e)
{
throw new IOException(errorMsg, e);
}
}
/// <exception cref="System.IO.IOException"/>
private void Parse()
{
FSDataInputStream @in = null;
try
{
@in = GetPreviousJobHistoryFileStream(GetConfig(), applicationAttemptId);
}
catch (IOException e)
{
Log.Warn("error trying to open previous history file. No history data " + "will be copied over."
, e);
return;
}
JobHistoryParser parser = new JobHistoryParser(@in);
parser.Parse(this);
Exception parseException = parser.GetParseException();
if (parseException != null)
{
Log.Info("Got an error parsing job-history file" + ", ignoring incomplete events."
, parseException);
}
}