Changeset 475 in tmcsimulator for trunk/src/tmcsim/client/cadclientgui/screens/AssignedIncidents.java

Timestamp:

08/23/2019 01:49:50 PM (7 years ago)

Author:

jdalbey

Message:

Coordinator.java, AssignedIncidents?.java, UnitStatus?.java, CADMenu.java: Add comments and error messages. Add revision number to CAD Menu.

File:

• trunk/src/tmcsim/client/cadclientgui/screens/AssignedIncidents.java (modified) (5 diffs)

trunk/src/tmcsim/client/cadclientgui/screens/AssignedIncidents.java

@@ -122 +122 @@
                     return new JLabel("?");
                 }
-
+                // Assign a color to the auxiliary units column, labeled "Unit/s"    
                 comp.setForeground(Color.BLACK);
                 comp.setBackground(Color.CYAN);
                 if (assignedIncidentsTable.getModel().getColumnName(column).equals("Unit/s"))
-                {//4 is the column for "Unit/s"
+                {
                     //System.out.println("Diagnostic: in AssignedIncidents.prepareRenderer()"); //Commenting this line breaks the client
                     comp.setBackground(Color.BLACK);
@@ -134 +134 @@
                         // get the unit name from the table   JD
                         String unitname = (String) assignedIncidentsTable.getValueAt(row, primaryColumn);
-                        // Validate that unitname isn't blank
-                        if (!unitname.equals(""))
+                        // Validate that unitname isn't blank ... I think the reason this happens intermittently
+                        // is a race condition in refreshTable() that resulted in blank unitname.
+                        if (unitname != null && unitname.length() > 0)
                         {
                             // Fetch the unit's current status from server
@@ -155 +156 @@
                             }
                         }
+                        else
+                        {
+                            System.out.println("Blank unitname found in AssignedIncidents prepareRenderer.");
+                        }
                     } catch (RemoteException e)
                     {
-                        e.printStackTrace();
+                        System.out.println("RemoteException in AssignedIncidents prepareRenderer: "+ e.getMessage());
                     }
                 }
@@ -592 +597 @@
     public void refreshTable()
     {
-
+        //only update info if resize not in progress
         if (assignedIncidentsTable.getTableHeader().getResizingColumn() == null)
-        {//only update info if resize not in progress
+        {
+            // Note the odd comment in legacy code in prepare renderer:
+            // "//Commenting this line breaks the client"
+            // Maybe because the sout accidentally solves a concurrency problem, slowing down
+            // the prepare Renderer until the RMI call can complete.
+            int index = assignedIncidentsTable.getSelectedRow();
+            int[] columnWidths = new int[20];
+            List<? extends SortKey> keys = assignedIncidentsTable.getRowSorter().getSortKeys();
+            for (int i = 0; i < assignedIncidentsTable.getColumnCount(); i++)
+            {
+                columnWidths[i] = assignedIncidentsTable.getColumnModel().getColumn(i).getWidth();
+            }
+
+            // Update the model here
             try
             {
-                int index = assignedIncidentsTable.getSelectedRow();
-                int[] columnWidths = new int[20];
-                List<? extends SortKey> keys = assignedIncidentsTable.getRowSorter().getSortKeys();
-                for (int i = 0; i < assignedIncidentsTable.getColumnCount(); i++)
-                {
-                    columnWidths[i] = assignedIncidentsTable.getColumnModel().getColumn(i).getWidth();
-                }
-
                 assignedIncidentsTable.setModel(ScreenManager.theCoordinator.getCadDataTable(CADDataEnums.TABLE.ASSIGNED_INCIDENTS));
-
-                for (int i = 0; i < assignedIncidentsTable.getColumnCount(); i++)
-                {
-                    assignedIncidentsTable.getColumnModel().getColumn(i).setPreferredWidth(columnWidths[i]);
-                }
-                assignedIncidentsTable.getRowSorter().setSortKeys(keys);
-                assignedIncidentsTable.getSelectionModel().setSelectionInterval(index, index);
             } catch (RemoteException ex)
             {
@@ -618 +621 @@
                 System.out.println(ex.getMessage());
             }
+
+            for (int i = 0; i < assignedIncidentsTable.getColumnCount(); i++)
+            {
+                assignedIncidentsTable.getColumnModel().getColumn(i).setPreferredWidth(columnWidths[i]);
+            }
+            assignedIncidentsTable.getRowSorter().setSortKeys(keys);
+            assignedIncidentsTable.getSelectionModel().setSelectionInterval(index, index);
+            
             revalidate();
             repaint();