/// <exception cref="System.IO.IOException"/>
protected internal virtual void LocalizeFiles(LocalizationProtocol nodemanager, CompletionService
<Path> cs, UserGroupInformation ugi)
{
while (true)
{
try
{
LocalizerStatus status = CreateStatus();
LocalizerHeartbeatResponse response = nodemanager.Heartbeat(status);
switch (response.GetLocalizerAction())
{
case LocalizerAction.Live:
{
IList <ResourceLocalizationSpec> newRsrcs = response.GetResourceSpecs();
foreach (ResourceLocalizationSpec newRsrc in newRsrcs)
{
if (!pendingResources.Contains(newRsrc.GetResource()))
{
pendingResources[newRsrc.GetResource()] = cs.Submit(Download(new Path(newRsrc.GetDestinationDirectory
().GetFile()), newRsrc.GetResource(), ugi));
}
}
break;
}
case LocalizerAction.Die:
{
// killall running localizations
foreach (Future <Path> pending in pendingResources.Values)
{
pending.Cancel(true);
}
status = CreateStatus();
// ignore response
try
{
nodemanager.Heartbeat(status);
}
catch (YarnException)
{
}
return;
}
}
cs.Poll(1000, TimeUnit.Milliseconds);
}
catch (Exception)
{
return;
}
catch (YarnException)
{
// TODO cleanup
return;
}
}
}