/// <summary>
/// Adds the Scatter Group Communication operator to the communication group.
/// </summary>
/// <typeparam name="T">The type of messages that operators will send</typeparam>
/// <param name="configurations">The configuration for the scatter operator</param>
/// <param name="operatorName">The name of the scatter operator</param>
/// <param name="senderId">The sender id</param>
/// <param name="topologyType">type of topology used in the operaor</param>
/// <returns>The same CommunicationGroupDriver with the added Scatter operator info</returns>
public ICommunicationGroupDriver AddScatter <T>(string operatorName, string senderId,
TopologyTypes topologyType, params IConfiguration[] configurations)
{
if (_finalized)
{
throw new IllegalStateException("Can't add operators once the spec has been built.");
}
var spec = new ScatterOperatorSpec(senderId, configurations);
ITopology <T> topology;
if (topologyType == TopologyTypes.Flat)
{
topology = new FlatTopology <T>(operatorName, _groupName, spec.SenderId, _driverId,
spec);
}
else
{
topology = new TreeTopology <T>(operatorName, _groupName, spec.SenderId, _driverId,
spec,
_fanOut);
}
_topologies[operatorName] = topology;
_operatorSpecs[operatorName] = spec;
return(this);
}
/// <summary>
/// Gets the task configuration for the operator topology.
/// </summary>
/// <param name="taskId">The task identifier</param>
/// <returns>The task configuration</returns>
public IConfiguration GetTaskConfiguration(string taskId)
{
ICsConfigurationBuilder confBuilder;
confBuilder = TangFactory.GetTang().NewConfigurationBuilder()
.BindNamedParameter <GroupCommConfigurationOptions.TopologyRootTaskId, string>(
GenericType <GroupCommConfigurationOptions.TopologyRootTaskId> .Class,
_rootId);
if (taskId.Equals(_rootId))
{
foreach (var tId in _nodes.Keys)
{
if (!tId.Equals(_rootId))
{
confBuilder.BindSetEntry <GroupCommConfigurationOptions.TopologyChildTaskIds, string>(
GenericType <GroupCommConfigurationOptions.TopologyChildTaskIds> .Class,
tId);
}
}
}
if (OperatorSpec is BroadcastOperatorSpec)
{
var broadcastSpec = OperatorSpec as BroadcastOperatorSpec;
if (taskId.Equals(broadcastSpec.SenderId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <BroadcastSender <T> > .Class);
SetMessageType(typeof(BroadcastSender <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <BroadcastReceiver <T> > .Class);
SetMessageType(typeof(BroadcastReceiver <T>), confBuilder);
}
}
else if (OperatorSpec is ReduceOperatorSpec)
{
var reduceSpec = OperatorSpec as ReduceOperatorSpec;
if (taskId.Equals(reduceSpec.ReceiverId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ReduceReceiver <T> > .Class);
SetMessageType(typeof(ReduceReceiver <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ReduceSender <T> > .Class);
SetMessageType(typeof(ReduceSender <T>), confBuilder);
}
}
else if (OperatorSpec is ScatterOperatorSpec)
{
ScatterOperatorSpec scatterSpec = OperatorSpec as ScatterOperatorSpec;
if (taskId.Equals(scatterSpec.SenderId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ScatterSender <T> > .Class);
SetMessageType(typeof(ScatterSender <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ScatterReceiver <T> > .Class);
SetMessageType(typeof(ScatterReceiver <T>), confBuilder);
}
}
else
{
throw new NotSupportedException("Spec type not supported");
}
return(Configurations.Merge(confBuilder.Build(), OperatorSpec.Configuration));
}
/// <summary>
/// Gets the task configuration for the operator topology.
/// </summary>
/// <param name="taskId">The task identifier</param>
/// <returns>The task configuration</returns>
public IConfiguration GetTaskConfiguration(string taskId)
{
if (taskId == null)
{
throw new ArgumentException("TaskId is null when GetTaskConfiguration");
}
TaskNode selfTaskNode = GetTaskNode(taskId);
if (selfTaskNode == null)
{
throw new ArgumentException("Task has not been added to the topology");
}
string parentId;
TaskNode parent = selfTaskNode.Parent;
if (parent == null)
{
parentId = selfTaskNode.TaskId;
}
else
{
parentId = parent.TaskId;
}
//add parentid, if no parent, add itself
ICsConfigurationBuilder confBuilder = TangFactory.GetTang().NewConfigurationBuilder()
.BindNamedParameter <GroupCommConfigurationOptions.TopologyRootTaskId, string>(
GenericType <GroupCommConfigurationOptions.TopologyRootTaskId> .Class,
parentId);
//add all its children
foreach (TaskNode childNode in selfTaskNode.GetChildren())
{
confBuilder.BindSetEntry <GroupCommConfigurationOptions.TopologyChildTaskIds, string>(
GenericType <GroupCommConfigurationOptions.TopologyChildTaskIds> .Class,
childNode.TaskId);
}
if (OperatorSpec is BroadcastOperatorSpec)
{
var broadcastSpec = OperatorSpec as BroadcastOperatorSpec;
if (taskId.Equals(broadcastSpec.SenderId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <BroadcastSender <T> > .Class);
SetMessageType(typeof(BroadcastSender <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <BroadcastReceiver <T> > .Class);
SetMessageType(typeof(BroadcastReceiver <T>), confBuilder);
}
}
else if (OperatorSpec is ReduceOperatorSpec)
{
var reduceSpec = OperatorSpec as ReduceOperatorSpec;
if (taskId.Equals(reduceSpec.ReceiverId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ReduceReceiver <T> > .Class);
SetMessageType(typeof(ReduceReceiver <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ReduceSender <T> > .Class);
SetMessageType(typeof(ReduceSender <T>), confBuilder);
}
}
else if (OperatorSpec is ScatterOperatorSpec)
{
ScatterOperatorSpec scatterSpec = OperatorSpec as ScatterOperatorSpec;
if (taskId.Equals(scatterSpec.SenderId))
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ScatterSender <T> > .Class);
SetMessageType(typeof(ScatterSender <T>), confBuilder);
}
else
{
confBuilder.BindImplementation(GenericType <IGroupCommOperator <T> > .Class, GenericType <ScatterReceiver <T> > .Class);
SetMessageType(typeof(ScatterReceiver <T>), confBuilder);
}
}
else
{
throw new NotSupportedException("Spec type not supported");
}
return(Configurations.Merge(confBuilder.Build(), OperatorSpec.Configiration));
}
