Changeset 12789 for branches/HiveStatistics/sources/HeuristicLab.Services.Hive.DataAccess

Timestamp:

07/21/15 11:48:49 (9 years ago)

Author:

dglaser

Message:

#2388:

HeuristicLab.Services.Access.DataAccess-3.3:

• Added a new method to the TaskDao

HeuristicLab.Services.Hive-3.3:

• Added NewEventManager.cs
• Updated HiveJanitor.cs
• Updated ServiceLocator.cs

File:

• branches/HiveStatistics/sources/HeuristicLab.Services.Hive.DataAccess/3.3/Daos/TaskDao.cs (modified) (2 diffs)

branches/HiveStatistics/sources/HeuristicLab.Services.Hive.DataAccess/3.3/Daos/TaskDao.cs

@@ -27 +27 @@
 namespace HeuristicLab.Services.Hive.DataAccess.Daos {
   public class TaskDao : GenericDao<Guid, Task> {
+    private Table<AssignedResource> AssignedResourceTable {
+      get { return DataContext.GetTable<AssignedResource>(); }
+    }
+
     public TaskDao(DataContext dataContext) : base(dataContext) { }
 
@@ -51 +55 @@
       //we skip this step because it's wasted runtime
       return DataContext.ExecuteQuery<TaskPriorityInfo>(GetWaitingTasksQueryString, slave.ResourceId, Enum.GetName(typeof(TaskState), TaskState.Waiting), slave.FreeCores, slave.FreeMemory).ToList();
+    }
+
+    /// <summary>
+    /// returns all parent tasks which are waiting for their child tasks to finish
+    /// </summary>
+    /// <param name="resourceIds">list of resourceids which for which the task should be valid</param>
+    /// <param name="count">maximum number of task to return</param>
+    /// <param name="finished">if true, all parent task which have FinishWhenChildJobsFinished=true are returned, otherwise only FinishWhenChildJobsFinished=false are returned</param>
+    /// <returns></returns>
+    public IEnumerable<Task> GetParentTasks(IEnumerable<Guid> resourceIds, int count, bool finished) {
+      var query = from ar in AssignedResourceTable
+                  where resourceIds.Contains(ar.ResourceId)
+                     && ar.Task.State == TaskState.Waiting
+                     && ar.Task.IsParentTask
+                     && (finished ? ar.Task.FinishWhenChildJobsFinished : !ar.Task.FinishWhenChildJobsFinished)
+                     && (from child in Table
+                         where child.ParentTaskId == ar.Task.TaskId
+                         select child.State == TaskState.Finished
+                             || child.State == TaskState.Aborted
+                             || child.State == TaskState.Failed).All(x => x)
+                     && (from child in Table // avoid returning WaitForChildTasks task where no child-task exist (yet)
+                         where child.ParentTaskId == ar.Task.TaskId
+                         select child).Any()
+                  orderby ar.Task.Priority descending
+                  select ar.Task;
+      return count == 0 ? query.ToArray() : query.Take(count).ToArray();
     }