From bfee2dfe137b07e64ebd46baf71d932d58d01b1f Mon Sep 17 00:00:00 2001
From: Jon Skeet <jonskeet@google.com>
Date: Tue, 23 Jun 2015 16:09:27 +0100
Subject: Implement freezing for messages and repeated fields.

Fixes issue #523.
---
 csharp/src/AddressBook/Addressbook.cs | 62 +++++++++++++++++++++++++++++------
 1 file changed, 52 insertions(+), 10 deletions(-)

(limited to 'csharp/src/AddressBook/Addressbook.cs')

diff --git a/csharp/src/AddressBook/Addressbook.cs b/csharp/src/AddressBook/Addressbook.cs
index cd1f6231..2fb6be83 100644
--- a/csharp/src/AddressBook/Addressbook.cs
+++ b/csharp/src/AddressBook/Addressbook.cs
@@ -76,6 +76,9 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       get { return global::Google.ProtocolBuffers.Examples.AddressBook.Addressbook.internal__static_tutorial_Person__FieldAccessorTable; }
     }
 
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
     public Person() { }
 
     public Person(Person other) {
@@ -89,30 +92,44 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       return new Person(this);
     }
 
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      phone_.Freeze();
+    }
+
     public const int NameFieldNumber = 1;
     private string name_ = "";
     public string Name {
       get { return name_; }
-      set { name_ = value ?? ""; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        name_ = value ?? "";
+      }
     }
 
-
     public const int IdFieldNumber = 2;
     private int id_;
     public int Id {
       get { return id_; }
-      set { id_ = value; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        id_ = value;
+      }
     }
 
-
     public const int EmailFieldNumber = 3;
     private string email_ = "";
     public string Email {
       get { return email_; }
-      set { email_ = value ?? ""; }
+      set {
+        pb::Freezable.CheckMutable(this);
+        email_ = value ?? "";
+      }
     }
 
-
     public const int PhoneFieldNumber = 4;
     private readonly pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneNumber> phone_ = new pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneNumber>();
     public pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneNumber> Phone {
@@ -254,6 +271,9 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
           get { return global::Google.ProtocolBuffers.Examples.AddressBook.Addressbook.internal__static_tutorial_Person_PhoneNumber__FieldAccessorTable; }
         }
 
+        private bool _frozen = false;
+        public bool IsFrozen { get { return _frozen; } }
+
         public PhoneNumber() { }
 
         public PhoneNumber(PhoneNumber other) {
@@ -265,22 +285,33 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
           return new PhoneNumber(this);
         }
 
+        public void Freeze() {
+          if (IsFrozen) {
+            return;
+          }
+          _frozen = true;
+        }
+
         public const int NumberFieldNumber = 1;
         private string number_ = "";
         public string Number {
           get { return number_; }
-          set { number_ = value ?? ""; }
+          set {
+            pb::Freezable.CheckMutable(this);
+            number_ = value ?? "";
+          }
         }
 
-
         public const int TypeFieldNumber = 2;
         private global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType type_ = global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType.HOME;
         public global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType Type {
           get { return type_; }
-          set { type_ = value; }
+          set {
+            pb::Freezable.CheckMutable(this);
+            type_ = value;
+          }
         }
 
-
         public override bool Equals(object other) {
           return Equals(other as PhoneNumber);
         }
@@ -382,6 +413,9 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       get { return global::Google.ProtocolBuffers.Examples.AddressBook.Addressbook.internal__static_tutorial_AddressBook__FieldAccessorTable; }
     }
 
+    private bool _frozen = false;
+    public bool IsFrozen { get { return _frozen; } }
+
     public AddressBook() { }
 
     public AddressBook(AddressBook other) {
@@ -392,6 +426,14 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       return new AddressBook(this);
     }
 
+    public void Freeze() {
+      if (IsFrozen) {
+        return;
+      }
+      _frozen = true;
+      person_.Freeze();
+    }
+
     public const int PersonFieldNumber = 1;
     private readonly pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person> person_ = new pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person>();
     public pbc::RepeatedField<global::Google.ProtocolBuffers.Examples.AddressBook.Person> Person {
-- 
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