Block Initializing Edit Sessions When In Progress (#265)

* Implementation of a wait handle for initialize

* WIP

* Adding more initialize unit tests

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.cs

@@ -501,6 +501,14 @@ namespace Microsoft.SqlTools.ServiceLayer
             }
         }
 
+        public static string EditDataInitializeInProgress
+        {
+            get
+            {
+                return Keys.GetString(Keys.EditDataInitializeInProgress);
+            }
+        }
+
         public static string EE_BatchSqlMessageNoProcedureInfo
         {
             get
@@ -1046,6 +1054,9 @@ namespace Microsoft.SqlTools.ServiceLayer
             public const string EditDataCommitInProgress = "EditDataCommitInProgress";
 
 
+            public const string EditDataInitializeInProgress = "EditDataInitializeInProgress";
+
+
             public const string EE_BatchSqlMessageNoProcedureInfo = "EE_BatchSqlMessageNoProcedureInfo";
 
 

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.resx

@@ -423,6 +423,10 @@
     <value>A commit task is in progress. Please wait for completion.</value>
     <comment></comment>
   </data>
+  <data name="EditDataInitializeInProgress" xml:space="preserve">
+    <value>Another edit data initialize is in progress for this owner URI. Please wait for completion.</value>
+    <comment></comment>
+  </data>
   <data name="EE_BatchSqlMessageNoProcedureInfo" xml:space="preserve">
     <value>Msg {0}, Level {1}, State {2}, Line {3}</value>
     <comment></comment>

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.strings

@@ -200,6 +200,8 @@ EditDataScriptFilePathNull = An output filename must be provided
 
 EditDataCommitInProgress = A commit task is in progress. Please wait for completion.
 
+EditDataInitializeInProgress = Another edit data initialize is in progress for this owner URI. Please wait for completion.
+
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 # DacFx Resources