public SourceEnumerator(ITranslator trans, XmlDocument root)
: base(trans)
{
Value = new XmlNodeField(root);
}
// Public Methods (2)
/// <summary>
/// Called by each enumerator along the chain of enumerators.
/// Example: Source.Person.FirstName would call this method twice:
/// Once for "Source.Person", and again for "Source.Person.FirstName".
/// </summary>
public IValueType GetValue(EnumeratorBase xmlSourceEnum, string[] path, int index)
{
XmlNodeField nodeField = xmlSourceEnum.Value as XmlNodeField; // FIXED: changed type from XmlNode to XmlNodeField
/* Note: 'xmlSourceEnum' is the parent enumerator, and "path" is what to get from it.
* In best practice, each enumerator should have 'Value' set to the node location for
* that specified enumerator only.
*/
// ... validate the parameters ...
if (nodeField == null || nodeField.IsUndefined || path.Length == 0 || path[0] != SourceEnumerator.Name)
{
return(null);
}
XmlNode node = nodeField.FieldValue;
if (path.Length > 1)
{
switch (path[1])
{
case HeaderEnumerator.Name:
if (path.Length > 2)
{
switch (path[2])
{
case CreationDateEnumerator.Name:
return(new DateTimeField(node.SelectSingleNode("MSH.7").InnerText));
}
}
else
{
return(new XmlNodeField(node.FirstChild.SelectSingleNode("MSH")));
}
break;
case PatientEnumerator.Name:
if (path.Length > 2)
{
switch (path[2])
{
case FirstNameEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.5/PID.5.2").InnerText));
case MiddleNameEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.5/PID.5.3").InnerText));
case LastNameEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.5/PID.5.1").InnerText));
case DoBEnumerator.Name:
return(new DateTimeField(node.SelectSingleNode("PID.7").InnerText));
case GenderEnumerator.Name:
switch (node.SelectSingleNode("PID.8").InnerText)
{
case "F":
return(new StringField("Female"));
case "M":
return(new StringField("Male"));
case "O":
return(new StringField("Other"));
case "U":
default:
return(new StringField("Unknown"));
}
case AccountNumberEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.18").InnerText));
case PatientIDEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.2").InnerText));
case OHIPEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.19").InnerText));
}
}
else
{
return(new XmlNodeField(node.FirstChild.SelectSingleNode("PID")));
}
break;
case VisitEnumerator.Name:
if (path.Length > 2)
{
switch (path[2])
{
case AdmittingPhysicianIDEnumerator.Name:
return(new NumericField(node.SelectSingleNode("PV1.17.1").InnerText));
case AttendingPhysicianIDEnumerator.Name:
return(new NumericField(node.SelectSingleNode("PV1.7.1").InnerText));
case FacilityEnumerator.Name:
return(new StringField(node.SelectSingleNode("PV1.3.4").InnerText));
case PointOfCareEnumerator.Name:
return(new StringField(node.SelectSingleNode("PV1.3.1").InnerText));
case RoomEnumerator.Name:
return(new StringField(node.SelectSingleNode("PV1.3.2").InnerText));
case BedEnumerator.Name:
return(new StringField(node.SelectSingleNode("PV1.3.3").InnerText));
}
}
else
{
return(new XmlNodeField(node.FirstChild.SelectSingleNode("PV1")));
}
break;
// The PersonEnumerator is not going to be used, its inherited enumerators will be used instead
#region PersonEnumerator Translation
case PersonEnumerator.Name:
if (path.Length > 2) // any more in the path?
{
switch (path[2]) // yes, this is a request for one of the name parts ...
{
case FirstNameEnumerator.Name: // Note: "ORU_R01/PID/" is not used here.
return(new StringField(node.SelectSingleNode("PID.5/PID.5.2").InnerText));
case MiddleNameEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.5/PID.5.3").InnerText));
case LastNameEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.5/PID.5.1").InnerText));
case DoBEnumerator.Name:
return(new DateTimeField(node.SelectSingleNode("PID.7").InnerText));
case GenderEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.8").InnerText));
case AccountNumberEnumerator.Name:
return(new StringField(node.SelectSingleNode("PID.18").InnerText));
// TODO: Could this be a NumericField instead? Is it safe?
}
}
else // nope, this is a request for the node only ...
{
return(new XmlNodeField(node.FirstChild.SelectSingleNode("PID")));
}
break;
#endregion
///////////////////////////////////////////////////////////////////////////////////////////////
}
}
// Note: This return is reached only of only the source path name is specified.
return(new XmlNodeField(null, true));
}
