/// <summary> Process the specified Feature. </summary>
public override IEnumerable <KeyValuePair <string, IFMEOFeature> > ProcessFeature(string inputTag, IFMEOFeature feature)
{
// Depending on how we have chosen to process features in this factory we could:
// a) Process and output each feature immediately or
// b) Process and store features into a list, then when all features have been collected, process and output them.
// Under a) the bulk of the work occurs in this function since features are output immediately as soon as they are done processing.
// Under b) the bulk of the work occurs in the close() function.
if (feature != null)
{
StringBuilder sb = new StringBuilder();
sb.Append("## " + GetType().Name + " - Processing Feature, Attributes=[");
foreach (string attrib in feature.GetAllAttributeNames())
{
sb.Append(attrib).Append("='").Append(feature.GetAttributeAsString(attrib)).Append("', ");
}
sb.Length -= 2; sb.Append("]");
_bridge.LogFile.LogMessageString(sb.ToString(), FMEOMessageLevel.Inform);
// For this sample we output the feature with a specific OutputTag.
// For this module the related fmx file defines one unique output tag called "OUTPUT"...
yield return(new KeyValuePair <string, IFMEOFeature>("OUTPUT", feature));
// But we can use the '_bridge.OutputTags' member to query the available collection of output tags...
// foreach (string outputTag in _bridge.OutputTags) yield return new KeyValuePair<string,IFMEOFeature>(outputTag, feature);
}
yield break;
}
/// <summary> Returns the value of the specified attribute or expression as String. </summary>
private static string GetOrResolveAttributeValue(IFMEOFeature feature, string value)
{
if (value != null && value.Length > 0)
{
if (value.StartsWith("@"))
{
value = feature.GetOrResolveAttributeAsString(value);
if (value != null && value.StartsWith("@"))
{
value = null;
}
}
else
{
value = feature.GetAttributeAsString(value);
}
}
return(value);
}
