indexing description: "All project admin messages inherit from this class" author: "Claudia Kuster, Bernhard S. Buss" date: "21.May.2006$" revision: "$Revision$" class EMU_PROJECT_MSG inherit EMU_MESSAGE create feature -- Attributes project_name: STRING -- Each message is associated with a project project_password: STRING -- every project message needs the password of the project. invariant project_name_not_void: project_name /= void project_name_not_empty: not project_name.is_empty password_valid: project_password /= Void and then not project_password.is_empty end