/// <summary>
/// Performs computation ignoring leaving nodes.
/// </summary>
private static AssemblyRequestResult ComputeApplySafe(ICompute compute, GetAssemblyFunc func,
AssemblyRequest req)
{
try
{
return(compute.Apply(func, req));
}
catch (ClusterGroupEmptyException)
{
// Normal situation: node has left.
return(null);
}
catch (AggregateException aex)
{
// Normal situation: node has left.
aex.Handle(e => e is ClusterGroupEmptyException);
return(null);
}
}
/// <summary>
/// Gets the assembly from remote nodes.
/// </summary>
/// <param name="assemblyName">Name of the assembly.</param>
/// <param name="ignite">Ignite.</param>
/// <param name="originNodeId">The origin node identifier.</param>
/// <returns>
/// Successful result or null.
/// </returns>
/// <exception cref="IgniteException"></exception>
private static AssemblyRequestResult RequestAssembly(string assemblyName, IIgniteInternal ignite,
Guid originNodeId)
{
Debug.Assert(assemblyName != null);
Debug.Assert(ignite != null);
if (ignite.Configuration.PeerAssemblyLoadingMode == PeerAssemblyLoadingMode.Disabled)
{
return(null);
}
Debug.WriteLine("Requesting assembly from other nodes: " + assemblyName);
// New nodes are not tracked during the loop, since some of the existing nodes caused this call.
var func = new GetAssemblyFunc();
var req = new AssemblyRequest(assemblyName);
foreach (var node in GetDotNetNodes(ignite.GetIgnite(), originNodeId))
{
var compute = ignite.GetIgnite().GetCluster().ForNodeIds(node).GetCompute();
var result = ComputeApplySafe(compute, func, req);
if (result != null)
{
if (result.AssemblyBytes != null)
{
return(result);
}
if (result.Message != null)
{
throw new IgniteException(result.Message);
}
}
}
return(null);
}