/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public virtual UseSharedCacheResourceResponse Use(UseSharedCacheResourceRequest request
)
{
UseSharedCacheResourceResponse response = recordFactory.NewRecordInstance <UseSharedCacheResourceResponse
>();
UserGroupInformation callerUGI;
try
{
callerUGI = UserGroupInformation.GetCurrentUser();
}
catch (IOException ie)
{
Log.Info("Error getting UGI ", ie);
throw RPCUtil.GetRemoteException(ie);
}
string fileName = this.store.AddResourceReference(request.GetResourceKey(), new SharedCacheResourceReference
(request.GetAppId(), callerUGI.GetShortUserName()));
if (fileName != null)
{
response.SetPath(GetCacheEntryFilePath(request.GetResourceKey(), fileName));
this.metrics.IncCacheHitCount();
}
else
{
this.metrics.IncCacheMissCount();
}
return(response);
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public override Path Use(ApplicationId applicationId, string resourceKey)
{
Path resourcePath = null;
UseSharedCacheResourceRequest request = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord
<UseSharedCacheResourceRequest>();
request.SetAppId(applicationId);
request.SetResourceKey(resourceKey);
try
{
UseSharedCacheResourceResponse response = this.scmClient.Use(request);
if (response != null && response.GetPath() != null)
{
resourcePath = new Path(response.GetPath());
}
}
catch (Exception e)
{
// Just catching IOException isn't enough.
// RPC call can throw ConnectionException.
// We don't handle different exceptions separately at this point.
throw new YarnException(e);
}
return(resourcePath);
}
/// <exception cref="Com.Google.Protobuf.ServiceException"/>
public virtual YarnServiceProtos.UseSharedCacheResourceResponseProto Use(RpcController
controller, YarnServiceProtos.UseSharedCacheResourceRequestProto proto)
{
UseSharedCacheResourceRequestPBImpl request = new UseSharedCacheResourceRequestPBImpl
(proto);
try
{
UseSharedCacheResourceResponse response = real.Use(request);
return(((UseSharedCacheResourceResponsePBImpl)response).GetProto());
}
catch (YarnException e)
{
throw new ServiceException(e);
}
catch (IOException e)
{
throw new ServiceException(e);
}
}
