/// <summary>
/// Creates a new <see cref="LdClient"/> singleton instance and attempts to initialize feature flags.
/// </summary>
/// <remarks>
/// <para>
/// In offline mode, this constructor will return immediately. Otherwise, it will wait and block on
/// the current thread until initialization and the first response from the LaunchDarkly service is
/// returned, up to the specified timeout. If the timeout elapses, the returned instance will have
/// an <see cref="Initialized"/> property of <see langword="false"/>.
/// </para>
/// <para>
/// If you would rather this happen asynchronously, use <see cref="InitAsync(string, User)"/>. To
/// specify additional configuration options rather than just the mobile key, use
/// <see cref="Init(Configuration, User, TimeSpan)"/> or <see cref="InitAsync(Configuration, User)"/>.
/// </para>
/// <para>
/// You must use one of these static factory methods to instantiate the single instance of LdClient
/// for the lifetime of your application.
/// </para>
/// </remarks>
/// <returns>the singleton <see cref="LdClient"/> instance</returns>
/// <param name="mobileKey">the mobile key given to you by LaunchDarkly</param>
/// <param name="user">the user needed for client operations (must not be <see langword="null"/>);
/// if the user's <see cref="User.Key"/> is <see langword="null"/> and <see cref="User.Anonymous"/>
/// is <see langword="true"/>, it will be assigned a key that uniquely identifies this device</param>
/// <param name="maxWaitTime">the maximum length of time to wait for the client to initialize</param>
public static LdClient Init(string mobileKey, User user, TimeSpan maxWaitTime)
{
var config = Configuration.Default(mobileKey);
return(Init(config, user, maxWaitTime));
}
/// <summary>
/// Creates a new <see cref="LdClient"/> singleton instance and attempts to initialize feature flags asynchronously.
/// </summary>
/// <remarks>
/// <para>
/// The returned task will yield the <see cref="LdClient"/> instance once the first response from
/// the LaunchDarkly service is returned (or immediately if it is in offline mode).
/// </para>
/// <para>
/// You must use one of these static factory methods to instantiate the single instance of LdClient
/// for the lifetime of your application.
/// </para>
/// </remarks>
/// <returns>the singleton <see cref="LdClient"/> instance</returns>
/// <param name="mobileKey">the mobile key given to you by LaunchDarkly</param>
/// <param name="user">the user needed for client operations (must not be <see langword="null"/>);
/// if the user's <see cref="User.Key"/> is <see langword="null"/> and <see cref="User.Anonymous"/>
/// is <see langword="true"/>, it will be assigned a key that uniquely identifies this device</param>
public static async Task <LdClient> InitAsync(string mobileKey, User user)
{
var config = Configuration.Default(mobileKey);
return(await InitAsync(config, user));
}
/// <summary>
/// Creates and returns new LdClient singleton instance, then starts the workflow for
/// fetching feature flags.
///
/// This constructor will wait and block on the current thread until initialization and the
/// first response from the LaunchDarkly service is returned, if you would rather this happen
/// in an async fashion you can use <see cref="InitAsync(string, User)"/>
///
/// This is the creation point for LdClient, you must use this static method or the more specific
/// <see cref="Init(Configuration, User)"/> to instantiate the single instance of LdClient
/// for the lifetime of your application.
/// </summary>
/// <returns>The singleton LdClient instance.</returns>
/// <param name="mobileKey">The mobile key given to you by LaunchDarkly.</param>
/// <param name="user">The user needed for client operations.</param>
public static LdClient Init(string mobileKey, User user)
{
var config = Configuration.Default(mobileKey);
return(Init(config, user));
}