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C# EngineController.ComputeSyncData方法代码示例

本文整理汇总了C#中Dynamo.Engine.EngineController.ComputeSyncData方法的典型用法代码示例。如果您正苦于以下问题:C# EngineController.ComputeSyncData方法的具体用法?C# EngineController.ComputeSyncData怎么用?C# EngineController.ComputeSyncData使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Dynamo.Engine.EngineController的用法示例。


在下文中一共展示了EngineController.ComputeSyncData方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Initialize

        /// <summary>
        /// This method is called by code that intends to start a graph update.
        /// This method is called on the main thread where node collection in a 
        /// WorkspaceModel can be safely accessed.
        /// </summary>
        /// <param name="controller">Reference to an instance of EngineController 
        /// to assist in generating GraphSyncData object for the given set of nodes.
        /// </param>
        /// <param name="workspace">Reference to the WorkspaceModel from which a 
        /// set of updated nodes is computed. The EngineController generates the 
        /// resulting GraphSyncData from this list of updated nodes.</param>
        /// <returns>Returns true if there is any GraphSyncData, or false otherwise
        /// (in which case there will be no need to schedule UpdateGraphAsyncTask 
        /// for execution).</returns>
        /// 
        internal bool Initialize(EngineController controller, WorkspaceModel workspace)
        {
            try
            {
                engineController = controller;
                TargetedWorkspace = workspace;

                ModifiedNodes = ComputeModifiedNodes(workspace);
                graphSyncData = engineController.ComputeSyncData(workspace.Nodes, ModifiedNodes, verboseLogging);
                if (graphSyncData == null)
                    return false;

                // We clear dirty flags before executing the task. If we clear
                // flags after the execution of task, for example in
                // AsyncTask.Completed or in HandleTaskCompletionCore(), as both
                // are executed in the other thread, although some nodes are
                // modified and we request graph execution, but just before
                // computing sync data, the task completion handler jumps in
                // and clear dirty flags. Now graph sync data will be null and
                // graph is in wrong state.
                foreach (var nodeGuid in graphSyncData.NodeIDs)
                {
                    var node = workspace.Nodes.FirstOrDefault(n => n.GUID.Equals(nodeGuid));
                    if (node != null)
                        node.ClearDirtyFlag();
                }

                return true;
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine("UpgradeGraphAsyncTask saw: " + e.ToString());
                return false;
            }
        }
开发者ID:DynamoDS,项目名称:Dynamo,代码行数:50,代码来源:UpdateGraphAsyncTask.cs


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