/// <summary>
/// Join an enumeration of elements to the pipeline
/// </summary>
/// <typeparam name="T">type of elements to join</typeparam>
/// <param name="observed">observed operation</param>
/// <param name="activator">join parameters</param>
/// <returns>resulting operation</returns>
public static JoinOperation <T> Join <T>(this IObservableOperation observed, JoinActivator <T> activator)
{
var op = new JoinOperation <T>(activator);
observed.Subscribe(op);
return(op);
}
/// <summary>
/// Join an enumeration of elements to the pipeline
/// </summary>
/// <typeparam name="T">type of elements to join</typeparam>
/// <param name="observed">observed operation</param>
/// <param name="list">enumeration of elements to join</param>
/// <param name="checkMatch">callback method to check if an element is matching the row</param>
/// <param name="processrow">callback method called to process the row</param>
/// <returns>resulting operation</returns>
public static JoinOperation <T> Join <T>(this IObservableOperation observed, IEnumerable <T> list, Func <Row, T, bool> checkMatch, Func <Row, T, Row> processrow)
{
var activator = new JoinActivator <T>();
activator.List = list;
activator.CheckMatch = checkMatch;
activator.ProcessRow = processrow;
return(observed.Join(activator));
}
/// <summary> /// Join operation constructor /// </summary> /// <param name="activator">Join operation activator</param> public JoinOperation(JoinActivator <T> activator) => _activator = activator;
