yanglee/Freezable

Implements the Freezable pattern as part of your build

This is an add-in for Fody

Implements the Freezable pattern

Introduction to Fody

Nuget

Nuget package http://nuget.org/packages/Freezable.Fody

To Install from the Nuget Package Manager Console

PM> Install-Package Freezable.Fody

Add an interface

public interface IFreezable
{
    void Freeze();
}

Add a freezable class

public class Person : IFreezable
{
    bool isFrozen;
    public string Name { get; set; }

    public void Freeze()
    {
        isFrozen = true;
    }
}

What gets compiled

public class Person : IFreezable
{

    volatile bool isFrozen;
    public void Freeze()
    {
        isFrozen = true;
    }

    void CheckIfFrozen()
    {
        if (isFrozen)
        {
            throw new InvalidOperationException("Attempted to modify a frozen instance");
        }
    }

    string name;
    public string Name
    {
        get { return name; }
        set
        {
            CheckIfFrozen();
            name = value;
        }
    }

}        

Icon

Icon courtesy of The Noun Project