/// <summary>
/// Executes a given <see cref="IQuery"/> and returns a collection of the <see cref="DomainObject"/>s returned by the query.
/// </summary>
/// <typeparam name="T">The type of <see cref="DomainObjects"/> to be returned from the query.</typeparam>
/// <param name="query">The query to execute. Must not be <see langword="null"/>.</param>
/// <returns>
/// A collection containing the <see cref="DomainObject"/>s returned by the query.
/// </returns>
/// <exception cref="System.ArgumentNullException"><paramref name="query"/> is <see langword="null"/>.</exception>
/// <exception cref="UnexpectedQueryResultException">The objects returned by the <paramref name="query"/> do not match the expected type
/// <typeparamref name="T"/> or the configured collection type is not assignable to <see cref="ObjectList{T}"/> with the given <typeparamref name="T"/>.</exception>
/// <exception cref="System.ArgumentException"><paramref name="query"/> does not have a <see cref="Configuration.QueryType"/> of <see cref="Configuration.QueryType.Collection"/>.</exception>
/// <exception cref="Remotion.Data.DomainObjects.Persistence.Configuration.StorageProviderConfigurationException">
/// The <see cref="IQuery.StorageProviderDefinition"/> of <paramref name="query"/> could not be found.
/// </exception>
/// <exception cref="Remotion.Data.DomainObjects.Persistence.PersistenceException">
/// The <see cref="Remotion.Data.DomainObjects.Persistence.StorageProvider"/> for the given <see cref="IQuery"/> could not be instantiated.
/// </exception>
/// <exception cref="Remotion.Data.DomainObjects.Persistence.StorageProviderException">
/// An error occurred while executing the query.
/// </exception>
public QueryResult <T> GetCollection <T> (IQuery query) where T : DomainObject
{
ArgumentUtility.CheckNotNull("query", query);
if (query.QueryType != QueryType.Collection)
{
throw new ArgumentException("A scalar or custom query cannot be used with GetCollection.", "query");
}
var resultArray = _objectLoader
.GetOrLoadCollectionQueryResult(query)
.Select(data => ConvertLoadedDomainObject <T> (data.GetDomainObjectReference())).ToArray();
var queryResult = new QueryResult <T> (query, resultArray);
return(_transactionEventSink.RaiseFilterQueryResultEvent(queryResult));
}
public ICollection <ILoadedObjectData> GetOrLoadCollectionQueryResult(IQuery query)
{
return(_decorated.GetOrLoadCollectionQueryResult(query));
}
