private void readDataFeatures(IFMEOReader fmeReader, ref int featureCount)
{
// Initialize counters
int numFeatures = 0;
// Now, read all the different features
IFMEOFeature fmeFeature = m_fmeSession.CreateFeature();
while (fmeReader.Read(fmeFeature))
{
// Log the feature to the log file
m_fmeLogFile.LogFeature(fmeFeature, FMEOMessageLevel.Inform, -1);
// Increment feature count
numFeatures++;
// For every feature, we will put it into m_featureTypeDictionary
insertIntoFeatureTypeDictionary(fmeFeature);
// Check if we need to update status bar
if ((numFeatures % m_kUpdateInterval) == 0)
{
updateStatusBar("Read " + numFeatures.ToString() + " features...");
}
// Create a new feature for the next read
fmeFeature = m_fmeSession.CreateFeature();
}
fmeFeature.Dispose();
featureCount = numFeatures;
}
/// <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);
}
private void insertIntoFeatureTypeDictionary(IFMEOFeature pFeature)
{
string currFeatureType = pFeature.FeatureType;
// First, we check for where to put the feature inside m_featureTypeDictionary
// Check to see if an entry for currFeatureType already exists
if (!m_featureTypeDictionary.ContainsKey(currFeatureType))
{
// We must create a new entry to the m_featureTypeDictionary
IFMEOFeatureVectorOnDisk newVectorOnDisk =
m_fmeSession.CreateFeatureVectorOnDisk(m_kMaxFeatureInMemory);
// Add the new entry to the dictionary
m_featureTypeDictionary.Add(currFeatureType, newVectorOnDisk);
}
// Now, we put the feature into the proper IFMEOFeatureVectorOnDisk
IFMEOFeatureVectorOnDisk currVectorOnDisk = m_featureTypeDictionary[currFeatureType];
currVectorOnDisk.Append(pFeature);
}
/// <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> Process the specified Feature. </summary>
public override IEnumerable <KeyValuePair <string, IFMEOFeature> > ProcessFeature(string inputTag, IFMEOFeature feature)
{
if (feature != null)
{
string lvalue = GetOrResolveAttributeValue(feature, _lhandKeyword);
string rvalue = _rhandKeyword;
if (_rvalueHash.Count == 0)
{
rvalue = GetOrResolveAttributeValue(feature, _rhandKeyword);
}
bool ok = false;
// First checks and validations.
if (lvalue == null)
{
ok = _operatorEnum == OperatorEnum.IsMissing;
goto gotoReturnFeature;
}
lvalue = FixQuotedEmptyString(lvalue);
rvalue = FixQuotedEmptyString(rvalue);
// Compare the attribute value.
switch (_operatorEnum)
{
case OperatorEnum.HasAvalidValue:
ok = lvalue != null && lvalue.Length > 0;
break;
case OperatorEnum.IsMissing:
ok = lvalue == null;
break;
case OperatorEnum.NotEqual:
ok = _rvalueHash.Count > 0 ? !_rvalueHash.ContainsKey(lvalue) : !rvalue.Equals(lvalue);
break;
case OperatorEnum.BeginsWith:
{
if (_rvalueHash.Count > 0)
{
foreach (string rv in _rvalueHash.Keys)
{
if (lvalue.StartsWith(rv))
{
ok = true; break;
}
}
}
else
{
ok = lvalue.StartsWith(rvalue);
}
break;
}
case OperatorEnum.EndsWith:
{
if (_rvalueHash.Count > 0)
{
foreach (string rv in _rvalueHash.Keys)
{
if (lvalue.EndsWith(rv))
{
ok = true; break;
}
}
}
else
{
ok = lvalue.EndsWith(rvalue);
}
break;
}
case OperatorEnum.Less:
{
double doubleValue = double.Parse(lvalue, s_englishCultureInfo);
if (_rvalueList.Count > 0)
{
foreach (double rv in _rvalueList)
{
if (doubleValue < rv)
{
ok = true; break;
}
}
}
else
{
double rv = double.Parse(rvalue, s_englishCultureInfo);
ok = doubleValue < rv;
}
break;
}
case OperatorEnum.LessOrEqual:
{
double doubleValue = double.Parse(lvalue, s_englishCultureInfo);
if (_rvalueList.Count > 0)
{
foreach (double rv in _rvalueList)
{
if (doubleValue <= rv)
{
ok = true; break;
}
}
}
else
{
double rv = double.Parse(rvalue, s_englishCultureInfo);
ok = doubleValue <= rv;
}
break;
}
case OperatorEnum.Greater:
{
double doubleValue = double.Parse(lvalue, s_englishCultureInfo);
if (_rvalueList.Count > 0)
{
foreach (double rv in _rvalueList)
{
if (doubleValue > rv)
{
ok = true; break;
}
}
}
else
{
double rv = double.Parse(rvalue, s_englishCultureInfo);
ok = doubleValue > rv;
}
break;
}
case OperatorEnum.GreaterOrEqual:
{
double doubleValue = double.Parse(lvalue, s_englishCultureInfo);
if (_rvalueList.Count > 0)
{
foreach (double rv in _rvalueList)
{
if (doubleValue >= rv)
{
ok = true; break;
}
}
}
else
{
double rv = double.Parse(rvalue, s_englishCultureInfo);
ok = doubleValue >= rv;
}
break;
}
default:
ok = _rvalueHash.Count > 0 ? _rvalueHash.ContainsKey(lvalue) : rvalue.Equals(lvalue);
break;
}
gotoReturnFeature:
yield return(new KeyValuePair <string, IFMEOFeature>(ok ? "PASSED" : "FAILED", feature));
}
yield break;
}
