/// <summary>
/// Finds all of the relationship classes using the specified <paramref name="source" /> and
/// <paramref name="relationshipRole" /> that has been assigned
/// any of the <paramref name="modelNames" />.
/// </summary>
/// <param name="source">The object class.</param>
/// <param name="relationshipRole">The relationship role.</param>
/// <param name="modelNames">The class model names.</param>
/// <returns>
/// Returns a
/// <see cref="T:IList{ESRI.ArcGIS.Geodatabase.IRelationshipClass}" />
/// representing those relationships that are assigned one or more of the class model names.
/// </returns>
/// <exception cref="ArgumentNullException">modelNames</exception>
public static IEnumerable <IRelationshipClass> GetRelationshipClasses(this ITable source, esriRelRole relationshipRole, params string[] modelNames)
{
if (source == null)
{
return(null);
}
IObjectClass table = source as IObjectClass;
if (table == null)
{
return(null);
}
return(table.GetRelationshipClasses(relationshipRole, modelNames));
}
/// <summary>
/// Finds the <see cref="IRelationshipClass" /> using the specified <paramref name="source" /> and
/// <paramref name="relationshipRole" /> that has been assigned any of the <paramref name="modelNames" />.
/// </summary>
/// <param name="source">The object class.</param>
/// <param name="relationshipRole">The relationship role.</param>
/// <param name="modelNames">The class model names.</param>
/// <param name="throwException">
/// if set to <c>true</c> if an exception should be thrown when the model name is not
/// assigned.
/// </param>
/// <returns>
/// Returns a <see cref="ESRI.ArcGIS.Geodatabase.IRelationshipClass" /> representing the relationship assigned any of
/// the class model names, otherwise <c>null</c>.
/// </returns>
/// <exception cref="ArgumentNullException">modelNames</exception>
/// <exception cref="MissingClassModelNameException"></exception>
public static IRelationshipClass GetRelationshipClass(this IObjectClass source, esriRelRole relationshipRole, string[] modelNames, bool throwException)
{
if (source == null)
{
return(null);
}
if (modelNames == null)
{
throw new ArgumentNullException("modelNames");
}
IEnumerable <IRelationshipClass> list = source.GetRelationshipClasses(relationshipRole, modelNames);
var relClass = list.FirstOrDefault();
if (relClass == null && throwException)
{
throw new MissingClassModelNameException(source, relationshipRole, modelNames);
}
return(relClass);
}
/// <summary>
/// Finds all of the relationship classes using the specified <paramref name="source" /> and
/// <paramref name="relationshipRole" /> that has been assigned
/// any of the <paramref name="modelNames" />.
/// </summary>
/// <param name="source">The object class.</param>
/// <param name="relationshipRole">The relationship role.</param>
/// <param name="modelNames">The class model names.</param>
/// <returns>
/// Returns a
/// <see cref="T:IList{ESRI.ArcGIS.Geodatabase.IRelationshipClass}" />
/// representing those relationships that are assigned one or more of the class model names.
/// </returns>
/// <exception cref="ArgumentNullException">modelNames</exception>
public static IEnumerable <IRelationshipClass> GetRelationshipClassesAsync(this IObjectClass source, esriRelRole relationshipRole, params string[] modelNames)
{
return(Task.Wait(() => source.GetRelationshipClasses(relationshipRole, modelNames)));
}