Add ForceNew and Computed schema support.

samples/hdinsight/configuration.json

@@ -54,10 +54,6 @@
                 "source": "{:**:}",
                 "target": "/",
                 "priority": "Lowest"
-            }],
-            "import": [{
-                "type": "{:**:}",
-                "package": "hdinsight"
             }]
         },
         "setId": true

src/Templates/SchemaFieldsSubTemplate.cshtml

@@ -47,6 +47,14 @@
 
         Indentation.Indent();
 @:@(Indentation)@(subField.IsRequired ? "Required" : "Optional"): true,
+        if (subField.IsReadOnly)
+        {
+@:@(Indentation)Computed: true,
+        }
+        if (subField.IsCreateOnly)
+        {
+@:@(Indentation)ForceNew: true,
+        }
         Indentation.Outdent();
 
         var goType = subField.GoType;

src/model/GoSDKTypedData.cs

@@ -40,7 +40,7 @@ namespace AutoRest.Terraform
         public IEnumerable<GoSDKTypedData> Children => Properties;
 
 
-        private GoSDKInvocation Invocation { get; }
+        public GoSDKInvocation Invocation { get; }
 
         public void AddProperties(IEnumerable<GoSDKTypedData> props)
         {

src/model/TfProviderField.cs

@@ -36,6 +36,9 @@ namespace AutoRest.Terraform
                                                          select f;
         public bool IsRoot => Parent == null;
         public bool IsRequired => OriginalVariable?.IsRequired ?? SubFields.Any(sf => sf.IsRequired);
+        public bool IsReadOnly => updatedBy.Count > 0 && usedBy.Count == 0;
+        public bool IsCreateOnly => usedBy.Any(d => d.Invocation.Category == InvocationCategory.Creation) &&
+                                    usedBy.All(d => d.Invocation.Category != InvocationCategory.Update);
         public string DefaultValue => OriginalVariable.DefaultValue;
         public bool MightBeEmpty => !IsRequired && string.IsNullOrEmpty(DefaultValue);