public static bool DeploySubscribeTask(CRAClientLibrary client, SubscribeTask task, OperatorsToplogy topology)
{
try
{
client.DefineVertex(typeof(SubscribeOperator).Name.ToLower(), () => new SubscribeOperator());
CRAErrorCode status = client.InstantiateShardedVertex(task.OutputId, typeof(SubscribeOperator).Name.ToLower(),
task, task.DeployDescriptor.InstancesMap());
if (status == CRAErrorCode.Success)
{
foreach (string fromInputId in task.EndpointsDescriptor.FromInputs.Keys)
{
client.ConnectShardedVertices(task.VerticesConnectionsMap[fromInputId + task.OutputId]);
}
return(true);
}
else
{
return(false);
}
}
catch (Exception e)
{
Console.WriteLine("Error in deploying a sharded CRA Subscribe task. Please, double check your task configurations: " + e.ToString());
return(false);
}
}
private static bool DeployShuffleReduceTask(CRAClientLibrary client, ShuffleTask task, OperatorsToplogy topology)
{
try
{
client.DefineVertex(typeof(ShuffleOperator).Name.ToLower(), () => new ShuffleOperator());
CRAErrorCode status = client.InstantiateShardedVertex(task.ReducerVertexName, typeof(ShuffleOperator).Name.ToLower(),
task, task.DeployDescriptor.InstancesMap());
if (status == CRAErrorCode.Success)
{
foreach (string fromInputId in task.SecondaryEndpointsDescriptor.FromInputs.Keys)
{
client.ConnectShardedVertices(task.VerticesConnectionsMap[fromInputId + task.OutputId]);
}
var fromInput = task.EndpointsDescriptor.FromInputs.First().Key;
var newFromInputId = fromInput.Substring(0, fromInput.Length - 1);
client.ConnectShardedVertices(task.VerticesConnectionsMap[newFromInputId + task.ReducerVertexName]);
return(true);
}
else
{
return(false);
}
}
catch (Exception)
{
Console.WriteLine("Error in deploying a sharded CRA shuffle mapper task. Please, double check your task configurations");
return(false);
}
}
public static bool DeployProduceTask(CRAClientLibrary client, ProduceTask task)
{
try {
client.DefineVertex(typeof(ProducerOperator).Name.ToLower(), () => new ProducerOperator());
CRAErrorCode status = client.InstantiateShardedVertex(task.OutputId, typeof(ProducerOperator).Name.ToLower(),
task, task.DeployDescriptor.InstancesMap());
if (status == CRAErrorCode.Success)
{
return(true);
}
else
{
return(false);
}
}
catch (Exception e)
{
Console.WriteLine("Error in deploying a sharded CRA produce task. Please, double check your task configurations: " + e.ToString());
return(false);
}
}