/// <summary>
/// Creates a new trigger instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
/// <param name="task">The task.</param>
/// <param name="interval">The delay interval to a restart after a failure.</param>
/// <param name="maximum">The maximum number of restarts.</param>
public CrawlerTriggerTaskRestart(ICrawlerTasks tasks, CrawlerTask task, TimeSpan interval, uint maximum)
: base(tasks, task)
{
this.interval = interval;
this.maximum = maximum;
this.count = 0;
}
/// <summary>
/// Creates a new trigger instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
public CrawlerTrigger(ICrawlerTasks tasks)
{
// Validate the arguments.
if (null == tasks) throw new ArgumentNullException("tasks");
// Set the tasks handler.
this.tasks = tasks;
}
/// <summary>
/// Creates a new trigger instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
/// <param name="schedule">The schedule.</param>
public CrawlerTriggerSchedule(ICrawlerTasks tasks, CrawlerSchedule schedule)
: base(tasks)
{
// Validate the arguments.
if (null == schedule) throw new ArgumentNullException("schedule");
// Set the schedule.
this.schedule = schedule;
}
/// <summary>
/// Creates a new crawler task instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
/// <param name="name">The task name.</param>
public CrawlerTask(ICrawlerTasks tasks, string name)
{
// Set the task properties.
this.Id = Guid.NewGuid();
this.Name = name;
// Create the task event arguments.
this.args = new CrawlerTaskEventArgs(this);
// Create the task triggers.
this.triggerRestart = new CrawlerTriggerTaskRestart(tasks, this, this.restartAfterFailureInterval, this.restartAfterFailureMaximum);
}
/// <summary>
/// Creates a new trigger instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
/// <param name="task">The task.</param>
public CrawlerTriggerTask(ICrawlerTasks tasks, CrawlerTask task)
: base(tasks)
{
// Set the task.
this.task = task;
}
/// <summary>
/// Creates a new trigger instance.
/// </summary>
/// <param name="tasks">The tasks handler.</param>
/// <param name="task">The task.</param>
/// <param name="interval">The delay interval to a restart after a failure.</param>
public CrawlerTriggerTaskStop(ICrawlerTasks tasks, CrawlerTask task, CrawlerTask.RunningTaskState state, TimeSpan interval)
: base(tasks, task)
{
this.state = state;
this.interval = interval;
}
