Eddie,
The code you showed really helped me!
Using those and also UIMA's parameter architecture, I don't need to
hard-code any Class names which I like to remove in my scenario.
Thank you very much.
Isaac
On 2/5/08, Eddie Epstein <[EMAIL PROTECTED]> wrote:
> One screwup in my example code was in getting the Types needed for the
> filtered iterator. It is bad to create dummy FS in the CAS just to get a
> type object :(
>
> Instead of
> constraint.add((new Person(jcas)).getType());
> use
> constraint.add(jcas.getTypeSystem().getType("test.Person"));
>
> Eddie
>
> On Feb 4, 2008 7:30 PM, Eddie Epstein <[EMAIL PROTECTED]> wrote:
>
> > Hi Isaac,
> >
> > There is a simpler way to do this. Using FilteredIterators you can limit
> > an iterator to just returning types of interest. Using "type priorities" you
> > can guarantee the order that types are returned for annotations with the
> > same begin and end positions.
> >
> > Using both of these would allow a single pass iteration to eliminate
> > unwanted type instances.
> >
> > In the CDE for your component, on the Indexes tab, add a priority list
> > that puts Person in front of the other types. The resultant component
> > descriptor would look like this:
> >
> > <typePriorities>
> > <priorityList>
> > <type>yourtype.Person</type>
> > <type>yourtype.Organization</type>
> > <type>yourtype.Company</type>
> > ...
> > </priorityList>
> > </typePriorities>
> >
> >
> > Some code below.
> >
> > FSIterator it = jcas.getAnnotationIndex().iterator();
> > FSTypeConstraint constraint = cas.getConstraintFactory
> > ().createTypeConstraint();
> > constraint.add((new Person(jcas)).getType());
> > constraint.add((new Organization(jcas)).getType());
> > constraint.add((new Company(jcas)).getType());
> > it = jcas.createFilteredIterator(it, constraint);
> >
> > it.moveToFirst();
> > Annotation a = null;
> > int pB = -1;
> > int pE = -1;
> > LinkedList<Annotation> toDel = new LinkedList<Annotation>();
> > while (it.hasNext()) {
> > a = (Annotation) it.get();
> > it.moveToNext();
> > if (a instanceof Person) {
> > // grab position for testing subsequent FS
> > pB = a.getBegin();
> > pE = a.getEnd();
> > }
> > else {
> > // not a Person; see if it has same position as the last
> > Person
> > if (pB == a.getBegin() && pE == a.getEnd()) {
> > toDel.add(a);
> > }
> > }
> > }
> >
> > // must modify index outside iterator loop
> > for (int i = 0; i < toDel.size(); i++) {
> > toDel.get(i).removeFromIndexes();
> > }
> >
> >
> > Regards,
> > Eddie
> >
> >
>
