/// <param name="theRoot">root of depth first iteration, which starts with the first child
/// </param>
/// <returns> an iterator that skips groups and empty segments, returning only populated
/// segments
/// </returns>
public static System.Collections.IEnumerator createPopulatedSegmentIterator(Group theRoot)
{
System.Collections.IEnumerator allIterator = new NuGenReadOnlyMessageIterator(theRoot);
NuGenFilterIterator.Predicate segmentsOnly = new AnonymousClassPredicate();
NuGenFilterIterator segmentIterator = new NuGenFilterIterator(allIterator, segmentsOnly);
EncodingCharacters ec = new EncodingCharacters('|', "^~\\&");
NuGenFilterIterator.Predicate populatedOnly = new AnonymousClassPredicate1(ec);
return(new NuGenFilterIterator(segmentIterator, populatedOnly));
}
/// <summary> Iterates through the message tree to the next segment/group location (regardless
/// of whether an instance of the segment exists). If the end of the tree is
/// reached, starts over at the root. Only enters the first repetition of a
/// repeating group -- explicit navigation (using the drill...() methods) is
/// necessary to get to subsequent reps.
/// </summary>
/// <param name="segmentsOnly">if true, only stops at segments (not groups)
/// </param>
/// <param name="loop">if true, loops back to beginning when end of msg reached; if false,
/// throws HL7Exception if end of msg reached
/// </param>
public virtual void iterate(bool segmentsOnly, bool loop)
{
Structure start = null;
if (this.currentChild == -1)
{
start = this.currentGroup;
}
else
{
start = (this.currentGroup.get_Renamed(this.childNames[this.currentChild]));
}
//using a non-existent direction and not allowing segment creation means that only
//the first rep of anything is traversed.
System.Collections.IEnumerator it = new NuGenMessageIterator(start, "doesn't exist", false);
if (segmentsOnly)
{
NuGenFilterIterator.Predicate predicate = new AnonymousClassPredicate(this);
it = new NuGenFilterIterator(it, predicate);
}
if (it.MoveNext())
{
Structure next = (Structure)it.Current;
drillHere(next);
}
else if (loop)
{
this.reset();
}
else
{
throw new NuGenHL7Exception("End of message reached while iterating without loop", NuGenHL7Exception.APPLICATION_INTERNAL_ERROR);
}
}
public NuGenFilterIterator(System.Collections.IEnumerator iter, NuGenFilterIterator.Predicate predicate)
{
this.iter = iter;
this.predicate = predicate;
}
/// <summary> Iterates through the message tree to the next segment/group location (regardless
/// of whether an instance of the segment exists). If the end of the tree is
/// reached, starts over at the root. Only enters the first repetition of a
/// repeating group -- explicit navigation (using the drill...() methods) is
/// necessary to get to subsequent reps.
/// </summary>
/// <param name="segmentsOnly">if true, only stops at segments (not groups)
/// </param>
/// <param name="loop">if true, loops back to beginning when end of msg reached; if false,
/// throws HL7Exception if end of msg reached
/// </param>
public virtual void iterate(bool segmentsOnly, bool loop)
{
Structure start = null;
if (this.currentChild == - 1)
{
start = this.currentGroup;
}
else
{
start = (this.currentGroup.get_Renamed(this.childNames[this.currentChild]));
}
//using a non-existent direction and not allowing segment creation means that only
//the first rep of anything is traversed.
System.Collections.IEnumerator it = new NuGenMessageIterator(start, "doesn't exist", false);
if (segmentsOnly)
{
NuGenFilterIterator.Predicate predicate = new AnonymousClassPredicate(this);
it = new NuGenFilterIterator(it, predicate);
}
if (it.MoveNext())
{
Structure next = (Structure) it.Current;
drillHere(next);
}
else if (loop)
{
this.reset();
}
else
{
throw new NuGenHL7Exception("End of message reached while iterating without loop", NuGenHL7Exception.APPLICATION_INTERNAL_ERROR);
}
}
/// <param name="theRoot">root of depth first iteration, which starts with the first child
/// </param>
/// <returns> an iterator that skips groups and empty segments, returning only populated
/// segments
/// </returns>
public static System.Collections.IEnumerator createPopulatedSegmentIterator(Group theRoot)
{
System.Collections.IEnumerator allIterator = new NuGenReadOnlyMessageIterator(theRoot);
NuGenFilterIterator.Predicate segmentsOnly = new AnonymousClassPredicate();
NuGenFilterIterator segmentIterator = new NuGenFilterIterator(allIterator, segmentsOnly);
EncodingCharacters ec = new EncodingCharacters('|', "^~\\&");
NuGenFilterIterator.Predicate populatedOnly = new AnonymousClassPredicate1(ec);
return new NuGenFilterIterator(segmentIterator, populatedOnly);
}
