/// <summary>
/// Initializes a new instance of the <see cref="SensusService.Anonymization.Anonymizable"/> class.
/// </summary>
/// <param name="propertyDisplayName">Property display name.</param>
/// <param name="availableAnonymizerTypes">Available anonymizer types.</param>
/// <param name="defaultAnonymizerIndex">Default anonymizer index. Pass -1 for no anonymization.</param>
public Anonymizable(string propertyDisplayName, Type[] availableAnonymizerTypes, int defaultAnonymizerIndex)
{
_propertyDisplayName = propertyDisplayName;
if (availableAnonymizerTypes == null)
availableAnonymizerTypes = new Type[0];
// we're always going to add the value omitting anonymizer at the start of the anonymizers list. if
// the default is >= 0 add 1 to produce the result that the caller desires. only do this if the
// caller has passed in anonymizer types. if they didn't and they set the default anonymizer to
// 0, then they are asking for the value omitting anonymizer by default -- in this case we should
// not increment.
if (defaultAnonymizerIndex >= 0 && availableAnonymizerTypes.Length > 0)
++defaultAnonymizerIndex;
// instantiate available anonymizers
_availableAnonymizers = new List<Anonymizer>();
_availableAnonymizers.Add(new ValueOmittingAnonymizer()); // omitting the value is always an option
foreach (Type availableAnonymizerType in availableAnonymizerTypes)
{
Anonymizer availableAnonymizer = Activator.CreateInstance(availableAnonymizerType) as Anonymizer;
if (availableAnonymizer == null)
throw new SensusException("Attempted to create an anonymizer from a type that does not derive from Anonymizer.");
_availableAnonymizers.Add(availableAnonymizer);
}
if (defaultAnonymizerIndex < -1 || defaultAnonymizerIndex >= _availableAnonymizers.Count)
throw new SensusException("Attempted to set default anonymizer for property outside the bounds of available types: " + defaultAnonymizerIndex);
// set default anonymizer if requested
if (defaultAnonymizerIndex >= 0)
_defaultAnonymizer = _availableAnonymizers[defaultAnonymizerIndex];
}
public void SetAnonymizer(PropertyInfo property, Anonymizer anonymizer)
{
lock (_propertyAnonymizer)
{
_propertyAnonymizer[property] = anonymizer;
}
}
