/// <summary>Helper method to create FailoverProxyProvider.</summary>
private RMFailoverProxyProvider <T> CreateRMFailoverProxyProvider <T>(Configuration
conf)
{
System.Type protocol = typeof(T);
Type defaultProviderClass;
try
{
defaultProviderClass = (Type)Sharpen.Runtime.GetType(YarnConfiguration.DefaultClientFailoverProxyProvider
);
}
catch (Exception e)
{
throw new YarnRuntimeException("Invalid default failover provider class" + YarnConfiguration
.DefaultClientFailoverProxyProvider, e);
}
RMFailoverProxyProvider <T> provider = ReflectionUtils.NewInstance(conf.GetClass <RMFailoverProxyProvider
>(YarnConfiguration.ClientFailoverProxyProvider, defaultProviderClass), conf);
provider.Init(conf, (Org.Apache.Hadoop.Yarn.Client.RMProxy <T>) this, protocol);
return(provider);
}
protected internal static T CreateRMProxy <T>(Configuration configuration, Org.Apache.Hadoop.Yarn.Client.RMProxy
instance)
{
System.Type protocol = typeof(T);
YarnConfiguration conf = (configuration is YarnConfiguration) ? (YarnConfiguration
)configuration : new YarnConfiguration(configuration);
RetryPolicy retryPolicy = CreateRetryPolicy(conf);
if (HAUtil.IsHAEnabled(conf))
{
RMFailoverProxyProvider <T> provider = instance.CreateRMFailoverProxyProvider(conf
, protocol);
return((T)RetryProxy.Create(protocol, provider, retryPolicy));
}
else
{
IPEndPoint rmAddress = instance.GetRMAddress(conf, protocol);
Log.Info("Connecting to ResourceManager at " + rmAddress);
T proxy = Org.Apache.Hadoop.Yarn.Client.RMProxy.GetProxy <T>(conf, protocol, rmAddress
);
return((T)RetryProxy.Create(protocol, proxy, retryPolicy));
}
}
