/**
* Returns the Item in the given Relation associated with the given time.
*
* @param relation the name of the relation
* @param time the time
* @throws IllegalStateException if the Segment durations have not been calculated in the
* Utterance or if the given relation is not present in the Utterance
*/
public Item getItem(String relation, float time) {
Relation segmentRelation = null;
if ((segmentRelation = getRelation(Relation.SEGMENT)) == null) {
throw new IllegalStateException("Utterance has no Segment relation");
}
String pathName = null;
if (relation.equals(Relation.SEGMENT)) {
// do nothing
} else if (relation.equals(Relation.SYLLABLE)) {
pathName = "R:SylStructure.parent.R:Syllable";
} else if (relation.equals(Relation.SYLLABLE_STRUCTURE)) {
pathName = "R:SylStructure.parent.parent";
} else if (relation.equals(Relation.WORD)) {
pathName = "R:SylStructure.parent.parent.R:Word";
} else if (relation.equals(Relation.TOKEN)) {
pathName = "R:SylStructure.parent.parent.R:Token.parent";
} else if (relation.equals(Relation.PHRASE)) {
pathName = "R:SylStructure.parent.parent.R:Phrase.parent";
} else {
throw new IllegalArgumentException("Utterance.getItem(): relation cannot be " + relation);
}
PathExtractor path = new PathExtractorImpl(pathName, false);
// get the Item in the Segment Relation with the given time
Item segmentItem = SegmentRelationUtils.getItem(segmentRelation, time);
if (relation.equals(Relation.SEGMENT)) {
return segmentItem;
} else if (segmentItem != null) {
return path.findItem(segmentItem);
} else {
return null;
}
}
@Override
public boolean shouldProcessRecursively(WalkerContext context, StorageCollectionItem coll) {
return collectionPredicate.apply(pathExtractor.extractCollectionItemPath(coll));
}
@Override
public boolean shouldProcess(WalkerContext context, StorageItem item) {
return itemPredicate.apply(pathExtractor.extractItemPath(item));
}