Agent configuration support classes (WIP) (#632)

* Additional SQL Agent config classes (WIP)

* Fix build breaks

* Clean up job step code

* Add VS Code build files

* Move changes to other machine

* More of the action execution classes

* More execution processing refactors

* More refactoring

* Disable tests for WIP merge

* Fix break on Release config

* Stage changes to other machine.

src/Microsoft.SqlTools.ServiceLayer/Agent/Jobs/JobActions.cs

@@ -0,0 +1,61 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System;
+using Microsoft.SqlTools.ServiceLayer.Admin;
+using Microsoft.SqlTools.ServiceLayer.Agent.Contracts;
+using Microsoft.SqlTools.ServiceLayer.Management;
+
+namespace Microsoft.SqlTools.ServiceLayer.Agent
+{
+    /// <summary>
+    /// JobActions provides basic SQL Server Agent Job configuration actions
+    /// </summary>
+    internal class JobActions : ManagementActionBase
+    {
+        private JobData data;
+        private ConfigAction configAction;
+
+        public JobActions(CDataContainer dataContainer, JobData data, ConfigAction configAction)
+        {          
+            this.DataContainer = dataContainer;
+            this.data = data;
+            this.configAction = configAction;
+        }
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {               
+            }
+            base.Dispose(disposing);
+
+            //release the data object
+            this.data = null;
+        }
+
+        /// <summary>
+        /// called by ManagementActionBase.PreProcessExecution
+        /// </summary>
+        /// <returns>
+        /// true if regular execution should take place, false if everything,
+        /// has been done by this function
+        /// </returns>
+        protected override bool DoPreProcessExecution(RunType runType, out ExecutionMode executionResult)
+        {
+            base.DoPreProcessExecution(runType, out executionResult);
+            this.data.ApplyChanges(creating: true);
+            if (!IsScripting(runType)) 
+            {
+                this.DataContainer.SqlDialogSubject	= this.data.Job;
+            }
+
+            return false;
+        }       
+    }
+}