/// <summary>Analyze multiple event types and determine common property sets that form property groups. </summary>
/// <param name="allProperties">property names to look at</param>
/// <param name="deltaEventTypes">all types contributing</param>
/// <param name="names">names of properies</param>
/// <returns>groups</returns>
public static PropertyGroupDesc[] AnalyzeGroups(String[] allProperties, EventType[] deltaEventTypes,
String[] names)
{
if (deltaEventTypes.Length != names.Length)
{
throw new ArgumentException("Delta event type number and name number of elements don't match");
}
allProperties = CopyAndSort(allProperties);
var result = new LinkedHashMap <MultiKey <String>, PropertyGroupDesc>();
var currentGroupNum = 0;
for (int i = 0; i < deltaEventTypes.Length; i++)
{
MultiKey <String> props = GetPropertiesContributed(deltaEventTypes[i], allProperties);
if (props.Array.Length == 0)
{
Log.Warn("Event type named '" + names[i] +
"' does not contribute (or override) any properties of the revision event type");
continue;
}
PropertyGroupDesc propertyGroup = result.Get(props);
IDictionary <EventType, String> typesForGroup;
if (propertyGroup == null)
{
typesForGroup = new Dictionary <EventType, String>();
propertyGroup = new PropertyGroupDesc(currentGroupNum++, typesForGroup, props.Array);
result.Put(props, propertyGroup);
}
else
{
typesForGroup = propertyGroup.Types;
}
typesForGroup.Put(deltaEventTypes[i], names[i]);
}
PropertyGroupDesc[] array = Collections.ToArray(result.Values);
if (Log.IsDebugEnabled)
{
Log.Debug(".analyzeGroups " + array.Render());
}
return(array);
}
/// <summary>Ctor. </summary>
/// <param name="keyPropertyGetters">key getters</param>
/// <param name="changesetPropertyGetters">property getters</param>
/// <param name="group">group this belongs to</param>
public RevisionTypeDesc(EventPropertyGetter[] keyPropertyGetters, EventPropertyGetter[] changesetPropertyGetters, PropertyGroupDesc group)
{
this.keyPropertyGetters = keyPropertyGetters;
this.changesetPropertyGetters = changesetPropertyGetters;
this.group = group;
}