Changeset 1815

Timestamp:

05/14/09 17:12:03 (16 years ago)

Author:

swagner

Message:

Added a property for the thread priority of an engine's worker thread to EngineBase (#623)

Location:

trunk/sources

Files:

• HeuristicLab.Core/3.2/EngineBase.cs (modified) (6 diffs)
• HeuristicLab.Core/3.2/Interfaces/IEngine.cs (modified) (2 diffs)
• HeuristicLab.Hive.Engine/3.2/HiveEngine.cs (modified) (1 diff)
• HeuristicLab.Hive.Engine/3.2/Job.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Core/3.2/EngineBase.cs

@@ -67 +67 @@
     }
 
+    private ThreadPriority myPriority;
+    /// <summary>
+    /// Gets or sets the priority of the worker thread.
+    /// </summary>
+    public ThreadPriority Priority {
+      get { return myPriority; }
+      set { myPriority = value; }
+    }
+
     /// <summary>
     /// Field of the current instance that represent the execution stack.
@@ -113 +122 @@
       myOperatorGraph = new OperatorGraph();
       myGlobalScope = new Scope("Global");
+      myPriority = ThreadPriority.Normal;
       myExecutionStack = new Stack<IOperation>();
       Reset();
@@ -183 +193 @@
 
     private void Run(object state) {
+      Thread.CurrentThread.Priority = Priority;
       if (state == null) Run();
       else RunSteps((int)state);
       myRunning = false;
+      Thread.CurrentThread.Priority = ThreadPriority.Normal;
       OnFinished();
     }
@@ -302 +314 @@
     /// time is saved as string in the node's inner text.</description>
     /// </item>
+    /// <item>
+    /// <term>Priority: </term>
+    /// <description>Saved as a child node with the tag name <c>Priority</c>, where the thread priority
+    /// is saved as string in the node's inner text.</description>
+    /// </item>
     /// </list></remarks>
     /// <param name="name">The (tag)name of the <see cref="XmlNode"/>.</param>
@@ -323 +340 @@
       timeNode.InnerText = ExecutionTime.ToString();
       node.AppendChild(timeNode);
+      XmlNode priorityNode = document.CreateNode(XmlNodeType.Element, "Priority", null);
+      priorityNode.InnerText = Priority.ToString();
+      node.AppendChild(priorityNode);
       return node;
     }
@@ -344 +364 @@
       XmlNode timeNode = node.SelectSingleNode("ExecutionTime");
       myExecutionTime = TimeSpan.Parse(timeNode.InnerText);
+      XmlNode priorityNode = node.SelectSingleNode("Priority");
+      if (priorityNode != null)
+        myPriority = (ThreadPriority) Enum.Parse(typeof(ThreadPriority), priorityNode.InnerText);
     }
     #endregion

trunk/sources/HeuristicLab.Core/3.2/Interfaces/IEngine.cs

@@ -23 +23 @@
 using System.Collections.Generic;
 using System.Text;
+using System.Threading;
 
 namespace HeuristicLab.Core {
@@ -44 +45 @@
     /// </summary>
     TimeSpan ExecutionTime { get; }
+    /// <summary>
+    /// Gets or sets the thread priority of the worker thread.
+    /// </summary>
+    ThreadPriority Priority { get; set; }
 
     /// <summary>

trunk/sources/HeuristicLab.Hive.Engine/3.2/HiveEngine.cs

@@ -62 +62 @@
     }
 
+    public ThreadPriority Priority {
+      get { return job.Engine.Priority; }
+      set { job.Engine.Priority = value; }
+    }
+
     public bool Running {
       get { return job.Engine.Running; }

trunk/sources/HeuristicLab.Hive.Engine/3.2/Job.cs

@@ -42 +42 @@
       : base() {
       engine = new SequentialEngine.SequentialEngine();
+      engine.Priority = ThreadPriority.Lowest;
       RegisterEvents();
     }