/// <summary>
/// Detects the petsistence exception translators in the given object factory.
/// </summary>
/// <param name="objectFactory">The object factory for obtaining all IPersistenceExceptionTranslators.</param>
/// <returns>A chained IPersistenceExceptionTranslator, combining all PersistenceExceptionTranslators found in the factory
/// </returns>
/// <seealso cref="ChainedPersistenceExceptionTranslator"/>
protected IPersistenceExceptionTranslator DetectPersistenceExceptionTranslators(IListableObjectFactory objectFactory)
{
// Find all translators, being careful not to activate FactoryObjects.
IDictionary <string, object> pets =
ObjectFactoryUtils.ObjectsOfTypeIncludingAncestors(objectFactory,
typeof(IPersistenceExceptionTranslator), false,
false);
if (pets.Count == 0)
{
throw new InvalidOperationException("No persistence exception translators found in container. Cannot perform exception translation.");
}
ChainedPersistenceExceptionTranslator cpet = new ChainedPersistenceExceptionTranslator();
foreach (KeyValuePair <string, object> pet in pets)
{
cpet.AddTranslator((IPersistenceExceptionTranslator)pet.Value);
}
return(cpet);
}
/// <summary>
/// Find object instances that match the <paramref name="requiredType"/>.
/// </summary>
/// <remarks>
/// <p>
/// Called by autowiring. If a subclass cannot obtain information about object
/// names by <see cref="System.Type"/>, a corresponding exception should be thrown.
/// </p>
/// </remarks>
/// <param name="requiredType">
/// The type of the objects to look up.
/// </param>
/// <returns>
/// An <see cref="System.Collections.IDictionary"/> of object names and object
/// instances that match the <paramref name="requiredType"/>, or
/// <see langword="null"/> if none is found.
/// </returns>
/// <exception cref="Spring.Objects.ObjectsException">
/// In case of errors.
/// </exception>
protected override IDictionary FindMatchingObjects(Type requiredType)
{
return(ObjectFactoryUtils.ObjectsOfTypeIncludingAncestors(
this, requiredType, true, true));
}
