/// <summary>
/// Returns the Item in the given Relation associated with the given time.
/// </summary>
/// <param name="relation">The name of the relation.</param>
/// <param name="time">The time.</param>
/// <returns></returns>
/// <exception>if the Segment durations have not been
/// calculated in the Utterance or if the given relation is not
/// present in the Utterance</exception>
public virtual Item GetItem(string relation, float time)
{
Relation segmentRelation = null;
string pathName;
if (relation.Equals(Relation.Word))
{
pathName = "R:SylStructure.parent.parent.R:Word";
}
else if (relation.Equals(Relation.Token))
{
pathName = "R:SylStructure.parent.parent.R:Token.parent";
}
else
{
throw new ArgumentException(
"Utterance.getItem(): relation cannot be " + relation);
}
PathExtractor path = new PathExtractor(pathName, false);
// get the Item in the Segment Relation with the given time
Item segmentItem = GetItem(segmentRelation, time);
if (segmentItem != null)
{
return(path.FindItem(segmentItem));
}
return(null);
}
protected DecisionNode(string feature, object value, int qtrue, int qfalse)
: base(value)
{
_path = new PathExtractor(feature, true);
Qtrue = qtrue;
Qfalse = qfalse;
}