Optimised Blackboard and MVC

Compiler2.java

@@ -5754,13 +5754,23 @@ public static String isKeywordOrPart(String st, String[] mess)
       { mess[0] = "usecase parameter, eg: parameter name : Type;"; 
         return "parameter"; 
       } 
+
+      if ("oppositeOf".startsWith(st)) 
+      { mess[0] = "oppositeOf clause in reference,\n" + 
+          "e.g: reference children [*] ordered : Person oppositeOf parent;" + 
+          "The matching declaration\n" + 
+          "  reference parent : Person;\n" + 
+          "is also necessary."; 
+        return "oppositeOf"; 
+      } 
+
     } 
 
     if (st.length() > 3) 
     { if ("reference".startsWith(st)) 
       { mess[0] = "reference declaration, eg: reference name : Type;\nType is a class type or collection (of class element type)\nGeneral syntax is:\n" + 
         "reference role2 [cardinality] [stereotypes] : Entity2 [opp];\n" + 
-        "Eg: reference children [*] ordered : Person oppositeOf parent;";  
+        "E.g: reference children [*] ordered : Person oppositeOf parent;";  
         return "reference"; 
       }
 
@@ -6236,7 +6246,14 @@ public static String isKeywordOrPart(String st, String[] mess)
       }
 
       if ("execute".startsWith(st))
-      { mess[0] = "Execute expression as statement. Eg., execute (x->display())"; 
+      { mess[0] = "Execute expression as statement. Eg., execute (x->display())\n" + 
+          " execute (x->isDeleted())\n" +
+          "This also specifies direct updates of collections:\n" + 
+          " execute (x : col)\n" + 
+          " execute (x /: col)\n" + 
+          " execute (x <: col)\n" +
+          " execute (x /<: col)\n" +
+          " execute col[i]->isDeleted()\n"; 
         return "execute"; 
       }
     } 

UCDArea.java

@@ -15154,6 +15154,22 @@ public void observerPattern()
     { System.err.println("! Warning: no file libraries/observer.km3"); } 
   } 
 
+  public void blackboardPattern()
+  { File oclobserver = new File("libraries/blackboard.km3"); 
+    if (oclobserver.exists())
+    { loadKM3FromFile(oclobserver); }
+    else 
+    { System.err.println("! Warning: no file libraries/blackboard.km3"); } 
+  } 
+
+  public void mvcPattern()
+  { File oclobserver = new File("libraries/mvc.km3"); 
+    if (oclobserver.exists())
+    { loadKM3FromFile(oclobserver); }
+    else 
+    { System.err.println("! Warning: no file libraries/mvc.km3"); } 
+  } 
+
   public void java2python()
   { File ocltypes = new File("libraries/ocltype.km3"); 
     if (ocltypes.exists())

UmlTool.java

@@ -1073,6 +1073,14 @@ public UmlTool()
     observerMI.addActionListener(this);
     patternsMenu.add(observerMI);
 
+    JMenuItem blackboardMI = new JMenuItem("Blackboard"); 
+    blackboardMI.addActionListener(this);
+    patternsMenu.add(blackboardMI);
+
+    JMenuItem mvcMI = new JMenuItem("MVC"); 
+    mvcMI.addActionListener(this);
+    patternsMenu.add(mvcMI);
+
     JMenuItem facadeMI = new JMenuItem("Facade"); 
     facadeMI.setToolTipText(
       "Checks if 2+ classes all reference 2+ same other classes");
@@ -2750,6 +2758,10 @@ else if (label.equals("Singleton"))
       { makeSingletons(); }
       else if (label.equals("Observer"))
       { ucdArea.observerPattern(); }
+      else if (label.equals("Blackboard"))
+      { ucdArea.blackboardPattern(); }
+      else if (label.equals("MVC"))
+      { ucdArea.mvcPattern(); }
       else if (label.equals("Facade"))
       { checkForFacades(); }  
       else if (label.equals("Phased Construction"))