Memento Pattern Code Review

Define the Memento Object

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  • Download Description:memento pattern download
  • .NET Framework:3.5
  • .NET Language:C#
  • Date Published:2009-07-01
  • Download Size:11 KB

Code Review

Code Walkthrough

Define the Memento class (object) which is responsible for implementing the functionality to save and restore application state.

[Serializable] class Memento { MemoryStream m_stream = new MemoryStream(); BinaryFormatter m_formatter = new BinaryFormatter();
public Object Restore() { this.m_stream.Seek(0, SeekOrigin.Begin); Object o = this.m_formatter.Deserialize(this.m_stream); this.m_stream.Close(); return (o); } public Memento Save(Object o) { this.m_formatter.Serialize(this.m_stream, o); return this; } }

The application data is saved (serialized) into a binary format.

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