/// <summary>
/// Initializes a new instance of the ScheduleRequest class
/// </summary>
/// <param name="schedulerName">the name of the responsible Scheduler for this request</param>
/// <param name="targetProcessor">the target processor that is used to run this request</param>
/// <param name="task">the task to run on the given processor</param>
/// <param name="instruction">the default-instruction for this request</param>
/// <param name="lastExecution">the last time, the underlaying task was executed</param>
public ScheduleRequest(string schedulerName, ParallelTaskProcessor targetProcessor, ITask task,
DateTime?lastExecution = null)
{
SchedulerName = schedulerName;
Target = targetProcessor;
Task = task;
LastExecution = lastExecution ?? DateTime.MinValue;
StringBuilder metaInfo = new StringBuilder();
var metaData = task.BuildMetaData();
if (metaData != null)
{
foreach (KeyValuePair <string, object> metaRecord in metaData)
{
metaInfo.AppendFormat(":{0}:{1}", metaRecord.Key, metaRecord.Value);
}
}
LogEnvironment.LogDebugEvent($"Creating Schedule-Requeset for the following Meta-Data: {metaInfo}",
LogSeverity.Report);
RequestId =
BitConverter.ToString(
sha.ComputeHash(
Encoding.UTF32.GetBytes(
string.Format("{0:yyyyMMddHHmmssffff}:{1}:{2}:{3:yyyyMMddHHmmssffff}{4}", DateTime.Now,
targetProcessor.GetHashCode(), task.Description, LastExecution, metaInfo))));
}
/// <summary>
/// Initializes a ScheduleRequest from its serialization representation
/// </summary>
/// <param name="info">the serialization info containing the objects that have been serialized</param>
/// <param name="context">the current streaming context</param>
public ScheduleRequest(SerializationInfo info, StreamingContext context)
{
Target = ParallelTaskProcessor.GetInstance(info.GetString("TargetName"));
Task = info.GetValue("Task", typeof(ITask)) as ITask;
LastExecution = info.GetDateTime("LastExecution");
instructions = new List <string>((string[])info.GetValue("Instructions", typeof(string[])));
Remarks = info.GetString("Remarks");
RequestId = info.GetString("RequestId");
SchedulerName = info.GetString("SchedulerName");
}
/// <summary>
/// Initializes a new instance of the TaskProcessor class
/// </summary>
/// <param name="worker">the worker that is used to process tasks</param>
/// <param name="workerPulse">an object that is used to pulse this worker when new tasks have arrived</param>
/// <param name="stopEvent">a reset event used to stop this processor</param>
/// <param name="workerPollTime">the pollTime after which a new poll cycle is started when no further intervetion is done</param>
/// <param name="highestPriority">the highest priority that is processed by this worker</param>
/// <param name="lowestPriority">the lowest priority that is processed by this worker</param>
/// <param name="parent">the parent from which this processor gets tasks to process</param>
/// <param name="tasks">the task queues that are used to process tasks</param>
internal AsyncTaskProcessor(ITaskWorker worker, object workerPulse, System.Threading.ManualResetEvent stopEvent,
int workerPollTime, int highestPriority, int lowestPriority,
ParallelTaskProcessor parent,
Dictionary <int, System.Collections.Concurrent.ConcurrentQueue <TaskContainer> > tasks)
: this()
{
this.worker = worker;
this.workerPulse = workerPulse;
this.stopEvent = stopEvent;
this.workerPollTime = workerPollTime;
this.highestPriority = highestPriority;
this.lowestPriority = lowestPriority;
this.tasks = tasks;
this.parent = parent;
((ITaskProcessor)this).StartupThread();
BuildProcessCycle();
lastActivity = DateTime.Now;
enterprocessingLoopWait.Set();
}
/// <summary>
/// Creates a Task request for this TaskScheduler with the Task that needs to be executed and the queue that will execute it
/// </summary>
/// <param name="parallelTaskProcessor">the TaskProcessor that will run the provided task later</param>
/// <param name="task">the task that needs to be executed</param>
/// <returns>a scheduler - request for the given processor and task</returns>
public virtual ScheduleRequest CreateRequest(ParallelTaskProcessor parallelTaskProcessor, ITask task)
{
return(new ScheduleRequest(UniqueName, parallelTaskProcessor, task));
}
