/// <summary>
/// Creates the database context for a connection to the specified server,
/// by using a custom EDMX path and retrieving the other options from the backend configuration.
/// </summary>
/// <typeparam name="T">The ObjectContext type to create.</typeparam>
/// <param name="edmxPath">The path to the .edmx-file. This path must be relative to the project.
/// See <see cref="ContextCreationOptions.EdmxPath"/> for further information.</param>
/// <returns>The created database context (derived from <see cref="ObjectContext"/>).</returns>
public static T CreateContext <T>(string edmxPath) where T : ObjectContext
{
Assertions.AssertNotEmpty(edmxPath, "edmxPath");
ContextCreationOptions options = ContextCreationOptions.CreateFromSettings();
options.EdmxPath = edmxPath;
return(CreateContext <T>(options));
}
/// <summary>
/// Creates the <see cref="ContextCreationOptions"/> and uses the values from the backend configuration.
/// </summary>
/// <returns>An instance of <see cref="ContextCreationOptions"/> which uses the values from the backend configuration.</returns>
public static ContextCreationOptions CreateFromSettings()
{
ContextCreationOptions options = new ContextCreationOptions();
options.HostName = ServiceFactory.BackendConfigurator.Get("Server.DB.HostName");
options.Port = int.Parse(ServiceFactory.BackendConfigurator.Get("Server.DB.Port"));
options.UserId = ServiceFactory.BackendConfigurator.Get("Server.DB.UserId");
options.Password = ServiceFactory.BackendConfigurator.Get("Server.DB.Password");
options.DatabaseName = ServiceFactory.BackendConfigurator.Get("Server.DB.DatabaseName");
return options;
}
/// <summary>
/// Creates the <see cref="ContextCreationOptions"/> and uses the values from the backend configuration.
/// </summary>
/// <returns>An instance of <see cref="ContextCreationOptions"/> which uses the values from the backend configuration.</returns>
public static ContextCreationOptions CreateFromSettings()
{
ContextCreationOptions options = new ContextCreationOptions();
options.HostName = ServiceFactory.BackendConfigurator.Get("Server.DB.HostName");
options.Port = int.Parse(ServiceFactory.BackendConfigurator.Get("Server.DB.Port"));
options.UserId = ServiceFactory.BackendConfigurator.Get("Server.DB.UserId");
options.Password = ServiceFactory.BackendConfigurator.Get("Server.DB.Password");
options.DatabaseName = ServiceFactory.BackendConfigurator.Get("Server.DB.DatabaseName");
return(options);
}
/// <summary>
/// Creates the database context for a connection to the specified server.
/// </summary>
/// <typeparam name="T">The ObjectContext type to create.</typeparam>
/// <param name="options">The options to use for connection.</param>
/// <returns>The created database context (derived from <see cref="ObjectContext"/>).</returns>
public static T CreateContext <T>(ContextCreationOptions options) where T : ObjectContext
{
Assertions.AssertNotNull(options, "options");
string connectionString = string.Format(ConnectionStringTemplate,
options.EdmxPath,
options.HostName,
options.Port,
options.UserId,
options.Password,
options.DatabaseName);
return((T)Activator.CreateInstance(typeof(T), connectionString));
}
