/// <summary>
/// Task host base class to hold the common stuff of both mapper and update tasks
/// </summary>
/// <param name="groupCommunicationsClient">Group Communication Client</param>
/// <param name="taskCloseCoordinator">The class that handles the close event for the task</param>
/// <param name="invokeGc">specify if want to invoke garbage collector or not </param>
protected TaskHostBase(
IGroupCommClient groupCommunicationsClient,
TaskCloseCoordinator taskCloseCoordinator,
bool invokeGc)
{
_groupCommunicationsClient = groupCommunicationsClient;
_communicationGroupClient = groupCommunicationsClient.GetCommunicationGroup(IMRUConstants.CommunicationGroupName);
_invokeGc = invokeGc;
_taskCloseCoordinator = taskCloseCoordinator;
_cancellationSource = new CancellationTokenSource();
}
/// <summary>
/// Task host base class to hold the common stuff of both mapper and update tasks
/// </summary>
/// <param name="groupCommunicationsClient">Group Communication Client</param>
/// <param name="taskCloseCoordinator">The class that handles the close event for the task</param>
/// <param name="invokeGc">specify if want to invoke garbage collector or not </param>
protected TaskHostBase(
IGroupCommClient groupCommunicationsClient,
TaskCloseCoordinator taskCloseCoordinator,
bool invokeGc)
{
Logger.Log(Level.Info, "Entering TaskHostBase constructor with machine status {0}.", _machineStatus.ToString());
_groupCommunicationsClient = groupCommunicationsClient;
_communicationGroupClient = groupCommunicationsClient.GetCommunicationGroup(IMRUConstants.CommunicationGroupName);
_invokeGc = invokeGc;
_taskCloseCoordinator = taskCloseCoordinator;
_cancellationSource = new CancellationTokenSource();
}
private MapTaskHost(
IMapFunction <TMapInput, TMapOutput> mapTask,
IGroupCommClient groupCommunicationsClient,
TaskCloseCoordinator taskCloseCoordinator,
[Parameter(typeof(InvokeGC))] bool invokeGc,
[Parameter(typeof(TaskConfigurationOptions.Identifier))] string taskId) :
base(groupCommunicationsClient, taskCloseCoordinator, invokeGc)
{
Logger.Log(Level.Info, "Entering constructor of MapTaskHost for task id {0}", taskId);
_mapTask = mapTask;
_dataAndMessageReceiver =
_communicationGroupClient.GetBroadcastReceiver <MapInputWithControlMessage <TMapInput> >(IMRUConstants.BroadcastOperatorName);
_dataReducer = _communicationGroupClient.GetReduceSender <TMapOutput>(IMRUConstants.ReduceOperatorName);
Logger.Log(Level.Info, "MapTaskHost initialized.");
}
private MapTaskHost(
IMapFunction <TMapInput, TMapOutput> mapTask,
IGroupCommClient groupCommunicationsClient,
TaskCloseCoordinator taskCloseCoordinator,
[Parameter(typeof(InvokeGC))] bool invokeGC)
{
_mapTask = mapTask;
_groupCommunicationsClient = groupCommunicationsClient;
var cg = groupCommunicationsClient.GetCommunicationGroup(IMRUConstants.CommunicationGroupName);
_dataAndMessageReceiver =
cg.GetBroadcastReceiver <MapInputWithControlMessage <TMapInput> >(IMRUConstants.BroadcastOperatorName);
_dataReducer = cg.GetReduceSender <TMapOutput>(IMRUConstants.ReduceOperatorName);
_invokeGC = invokeGC;
_taskCloseCoordinator = taskCloseCoordinator;
}
private UpdateTaskHost(
IUpdateFunction <TMapInput, TMapOutput, TResult> updateTask,
IGroupCommClient groupCommunicationsClient,
IIMRUResultHandler <TResult> resultHandler,
TaskCloseCoordinator taskCloseCoordinator,
[Parameter(typeof(InvokeGC))] bool invokeGC)
{
_updateTask = updateTask;
_groupCommunicationsClient = groupCommunicationsClient;
var cg = groupCommunicationsClient.GetCommunicationGroup(IMRUConstants.CommunicationGroupName);
_dataAndControlMessageSender =
cg.GetBroadcastSender <MapInputWithControlMessage <TMapInput> >(IMRUConstants.BroadcastOperatorName);
_dataReceiver = cg.GetReduceReceiver <TMapOutput>(IMRUConstants.ReduceOperatorName);
_invokeGC = invokeGC;
_resultHandler = resultHandler;
_taskCloseCoordinator = taskCloseCoordinator;
}
private UpdateTaskHost(
IUpdateFunction <TMapInput, TMapOutput, TResult> updateTask,
IGroupCommClient groupCommunicationsClient,
IIMRUResultHandler <TResult> resultHandler,
TaskCloseCoordinator taskCloseCoordinator,
[Parameter(typeof(InvokeGC))] bool invokeGc,
[Parameter(typeof(TaskConfigurationOptions.Identifier))] string taskId) :
base(groupCommunicationsClient, taskCloseCoordinator, invokeGc)
{
Logger.Log(Level.Info, "Entering constructor of UpdateTaskHost for task id {0}", taskId);
_updateTask = updateTask;
_dataAndControlMessageSender =
_communicationGroupClient.GetBroadcastSender <MapInputWithControlMessage <TMapInput> >(IMRUConstants.BroadcastOperatorName);
_dataReceiver = _communicationGroupClient.GetReduceReceiver <TMapOutput>(IMRUConstants.ReduceOperatorName);
_resultHandler = resultHandler;
Logger.Log(Level.Info, "$$$$_resultHandler." + _resultHandler.GetType().AssemblyQualifiedName);
Logger.Log(Level.Info, "UpdateTaskHost initialized.");
}
