public static void ToGdbObjectMsgList(
[NotNull] IEnumerable <Feature> features,
[NotNull] ICollection <GdbObjectMsg> resultGdbObjects,
[NotNull] ICollection <ObjectClassMsg> resultGdbClasses)
{
Stopwatch watch = null;
if (_msg.IsVerboseDebugEnabled)
{
watch = Stopwatch.StartNew();
}
var classesByClassId = new Dictionary <long, FeatureClass>();
// Optimization (in Pro, the Map SR seems to be generally equal to the FCs SR, if they match)
bool omitDetailedShapeSpatialRef = true;
foreach (Feature feature in features)
{
FeatureClass featureClass = feature.GetTable();
Geometry shape = feature.GetShape();
// NOTE: The following calls are expensive:
// - Geometry.GetShape() (internally, the feature's spatial creation seems costly)
// - FeatureClassDefintion.GetSpatialReference()
// In case of a large feature count, they should be avoided on a per-feature basis:
if (!classesByClassId.ContainsKey(featureClass.GetID()))
{
resultGdbClasses.Add(ToObjectClassMsg(featureClass));
classesByClassId.Add(featureClass.GetID(), featureClass);
SpatialReference featureClassSpatialRef =
featureClass.GetDefinition().GetSpatialReference();
if (!SpatialReference.AreEqual(
featureClassSpatialRef, shape.SpatialReference, false, true))
{
omitDetailedShapeSpatialRef = false;
}
}
else
{
// TODO: Better solution: hash class ID with workspace handle in ToObjectClassMsg()
// Make sure they are from the same workspace to avoid conflicting class ids
Assert.AreEqual(classesByClassId[featureClass.GetID()].GetDatastore().Handle,
featureClass.GetDatastore().Handle,
"Conflicting class id from different workspaces. Please report.");
}
resultGdbObjects.Add(ToGdbObjectMsg(feature, shape, omitDetailedShapeSpatialRef));
}
_msg.DebugStopTiming(watch, "Converted {0} features to DTOs", resultGdbObjects.Count);
}