public bool UseComparator(TagValueCollection tagValueFilterCollection, bool universalMatchAllowed)
{
int filterCounter = 0;
// Check if the filter values match those in the template
foreach (BaseTagValue baseTagValue in tagValueFilterCollection)
{
Hl7TagValue hl7TagValue = null;
if (baseTagValue is Hl7TagValue)
{
hl7TagValue = (Hl7TagValue)baseTagValue;
}
else if (baseTagValue is DicomTagValue)
{
DicomTagValue dicomTagValue = (DicomTagValue)baseTagValue;
hl7TagValue = new Hl7TagValue(DicomHl7TagMapTemplate.DicomToHl7Tag(dicomTagValue.Tag), dicomTagValue.Value);
}
if (hl7TagValue.Tag != null)
{
foreach (Hl7ComparisonTag thisComparisonTag in this.Template.ComparisonTags)
{
// Tags are the same
if (thisComparisonTag.Tag == hl7TagValue.Tag)
{
if (universalMatchAllowed == true)
{
// When universal matching either a zero-length or exact match are OK
if ((hl7TagValue.Value == System.String.Empty) ||
(thisComparisonTag.DataFormat.ToHl7Format() == hl7TagValue.Value))
{
filterCounter++;
}
}
else if ((universalMatchAllowed == false) &&
(thisComparisonTag.DataFormat.ToHl7Format() == hl7TagValue.Value))
{
// Not universal matching so only an exact match is OK
filterCounter++;
}
break;
}
}
}
}
bool useThisComparator = (tagValueFilterCollection.Count == filterCounter) ? true : false;
return(useThisComparator);
}
private TagValueCollection GenerateTagValueCollection(TagValueCollection tagValueFilterCollection)
{
TagValueCollection localTagValueCollection = new TagValueCollection();
// Check if the comparator can be used with a Universal Match on the Value of the Tag
// - that is zero-length Value.
if (this.UseComparator(tagValueFilterCollection, true) == true)
{
foreach (BaseTagValue baseTagValue in tagValueFilterCollection)
{
Hl7TagValue hl7TagValue = null;
if (baseTagValue is Hl7TagValue)
{
hl7TagValue = (Hl7TagValue)baseTagValue;
}
else if (baseTagValue is DicomTagValue)
{
DicomTagValue dicomTagValue = (DicomTagValue)baseTagValue;
hl7TagValue = new Hl7TagValue(DicomHl7TagMapTemplate.DicomToHl7Tag(dicomTagValue.Tag), dicomTagValue.Value);
}
// If the Value is empty (Universal Match) then try to get the actual
// value from the comparator so that is actual value will be used against
// other comparators.
if (hl7TagValue.Tag != null)
{
if (hl7TagValue.Value == System.String.Empty)
{
// try to get a value for this Tag from this comparator
System.String lValue = getValue(hl7TagValue.Tag);
// Add a new Tag Value - with Value coming from this comparator
// to the local filter.
Hl7TagValue lHl7TagValue = new Hl7TagValue(hl7TagValue.Tag, lValue);
localTagValueCollection.Add(lHl7TagValue);
}
else
{
// Just add the given Tag Value pair to the local filter
localTagValueCollection.Add(hl7TagValue);
}
}
}
}
// Return the local filter
return(localTagValueCollection);
}
/// <summary>
/// Compare the two messages.
/// </summary>
/// <param name="tagValueFilterCollection">Tag Value Filter.</param>
/// <param name="resultsReporter">Results reporter.</param>
/// <param name="thatBaseComparator">Reference comparator.</param>
/// <returns>bool - true = messages compared, false messages not compared</returns>
public override bool Compare(TagValueCollection tagValueFilterCollection, ResultsReporter resultsReporter, BaseComparator thatBaseComparator)
{
bool compared = false;
if (thatBaseComparator is Hl7Comparator)
{
Hl7Comparator thatHl7Comparator = (Hl7Comparator)thatBaseComparator;
// Check if both templates have been initialized correctly
if ((this.Template == null) ||
(thatHl7Comparator.Template == null))
{
return(false);
}
// Check for comparator equality
if (this == thatHl7Comparator)
{
return(true);
}
// filter out comparators for the same message types
if ((this.Template.MessageType == thatHl7Comparator.Template.MessageType) &&
(this.Template.MessageSubType == thatHl7Comparator.Template.MessageSubType))
{
return(false);
}
// generate a local Tag Value collection from this
// - this collection will include any tag value pair from the original collection and
// the tag value pairs of any tags only (in the original collection) that match from this
// comparator - that is the values are taken from this comparator.
TagValueCollection lTagValueFilterCollection = GenerateTagValueCollection(tagValueFilterCollection);
// check to see if the comparision filters match - without Univeral Matching
// - now try to match this local filter collection against thatDicomComparator
// - comparators that match will have the same tag value pairs (including the value) as
// each other.
if ((tagValueFilterCollection.Count == lTagValueFilterCollection.Count) &&
(thatHl7Comparator.UseComparator(lTagValueFilterCollection, false) == true))
{
MessageComparisonResults messageComparisonResults
= new MessageComparisonResults(this.Name,
thatHl7Comparator.Name,
this.Template.MessageType,
thatHl7Comparator.Template.MessageType,
this.Template.MessageSubType,
thatHl7Comparator.Template.MessageSubType);
// Iterate over this comparator
foreach (Hl7ComparisonTag thisComparisonTag in this.Template.ComparisonTags)
{
// try to get the equivalent tag in thatHl7Comparator
Hl7ComparisonTag thatComparisonTag = thatHl7Comparator.Template.ComparisonTags.Find(thisComparisonTag.Tag);
if (thatComparisonTag != null)
{
AttributeComparisonResults attributeComparisonResults
= new AttributeComparisonResults(SegmentNames.Name(thisComparisonTag.Tag.Segment),
thisComparisonTag.Tag.FieldIndex,
thisComparisonTag.DataFormat.ToHl7Format(),
thatComparisonTag.DataFormat.ToHl7Format());
attributeComparisonResults.Name = DicomHl7TagMapTemplate.Hl7NameFromHl7Tag(thisComparisonTag.Tag);
if (thisComparisonTag.DataFormat.Equals(thatComparisonTag.DataFormat) == false)
{
DvtkData.Validation.ValidationMessage validationMessage = new DvtkData.Validation.ValidationMessage();
validationMessage.Type = DvtkData.Validation.MessageType.Error;
validationMessage.Message = "Attribute values do not match.";
attributeComparisonResults.Messages.Add(validationMessage);
}
messageComparisonResults.Add(attributeComparisonResults);
}
}
resultsReporter.WriteMessageComparisonResults(messageComparisonResults);
compared = true;
}
}
else if (thatBaseComparator is DicomComparator)
{
DicomComparator thatDicomComparator = (DicomComparator)thatBaseComparator;
// Check if both templates have been initialized correctly
if ((this.Template == null) ||
(thatDicomComparator.Template == null))
{
return(false);
}
// generate a local Tag Value collection from this
// - this collection will include any tag value pair from the original collection and
// the tag value pairs of any tags only (in the original collection) that match from this
// comparator - that is the values are taken from this comparator.
TagValueCollection lTagValueFilterCollection = GenerateTagValueCollection(tagValueFilterCollection);
// check to see if the comparision filters match - without Univeral Matching
// - now try to match this local filter collection against thatDicomComparator
// - comparators that match will have the same tag value pairs (including the value) as
// each other.
if ((tagValueFilterCollection.Count == lTagValueFilterCollection.Count) &&
(thatDicomComparator.UseComparator(lTagValueFilterCollection, false) == true))
{
MessageComparisonResults messageComparisonResults
= new MessageComparisonResults(this.Name,
thatDicomComparator.Name,
this.Template.MessageType,
thatDicomComparator.Template.Command,
this.Template.MessageSubType,
thatDicomComparator.Template.SopClassUid);
// Iterate over this comparator
foreach (Hl7ComparisonTag thisComparisonTag in this.Template.ComparisonTags)
{
// try to get the equivalent tag in thatDicomComparator
DicomComparisonTag thatComparisonTag = thatDicomComparator.Template.ComparisonTags.Find(DicomHl7TagMapTemplate.Hl7ToDicomTag(thisComparisonTag.Tag));
if (thatComparisonTag != null)
{
AttributeComparisonResults attributeComparisonResults
= new AttributeComparisonResults(thatComparisonTag.Tag,
SegmentNames.Name(thisComparisonTag.Tag.Segment),
thisComparisonTag.Tag.FieldIndex,
thisComparisonTag.DataFormat.ToHl7Format(),
thatComparisonTag.DataFormat.ToDicomFormat());
if (thisComparisonTag.DataFormat.Equals(thatComparisonTag.DataFormat) == false)
{
DvtkData.Validation.ValidationMessage validationMessage = new DvtkData.Validation.ValidationMessage();
validationMessage.Type = DvtkData.Validation.MessageType.Error;
validationMessage.Message = "Attribute values do not match.";
attributeComparisonResults.Messages.Add(validationMessage);
}
messageComparisonResults.Add(attributeComparisonResults);
}
}
resultsReporter.WriteMessageComparisonResults(messageComparisonResults);
compared = true;
}
}
return(compared);
}
