/**
* Autogenerate a full sentence describing the answer. This is designed mainly for answers coming
* from databases, though a baseline version for fulltext answers shouldn't be that difficult
* either.
*/
public synchronized String getAnswerSentence() {
try {
// top answer
QuestionAnswer a0 = this.answers.get(0);
// pick the bottom snippet (to skip awards; XXX,
// sort them by something tangible), but
// preferring a witness-carrying snippet
List<Integer> revSIDs = Lists.reverse(a0.getSnippetIDs());
AnsweringSnippet s0 = this.snippets.get(revSIDs.get(0));
for (Integer wsid : revSIDs) {
AnsweringSnippet sw = this.snippets.get(wsid);
if (sw instanceof AnsweringProperty && ((AnsweringProperty) sw).getWitnessLabel() != null) {
s0 = sw;
break;
}
}
AnswerSource src0 = this.sources.get(s0.getSourceID());
if (s0 instanceof AnsweringProperty) {
AnsweringProperty ap0 = (AnsweringProperty) s0;
boolean showIsBeforeProperty = ap0.getPropertyLabel().toLowerCase().endsWith(" by");
StringBuilder sb = new StringBuilder();
sb.append(src0.getTitle());
sb.append(" ");
if (showIsBeforeProperty) sb.append("is ");
sb.append(ap0.getPropertyLabel().replaceAll(".*: ", "").toLowerCase());
sb.append(" ");
if (ap0.getWitnessLabel() != null) {
sb.append("(for ");
sb.append(ap0.getWitnessLabel());
sb.append(") ");
}
if (!showIsBeforeProperty) sb.append("is ");
sb.append(a0.getText());
sb.append(".");
return sb.toString();
} else {
// TODO
return null;
}
} catch (IndexOutOfBoundsException e) {
return null;
}
}
public synchronized void addSnippet(AnsweringSnippet snippet) {
snippets.put(snippet.getSnippetID(), snippet);
}