/**
* The result starts out as a deep copy of left (so it inherits things like left's id and metadata
* on things which can't be unioned like sections and sentences), and then annotations from right
* are added.
*/
public MergeTokenAlignedCommunications(Communication left, Communication right) {
this.union = new Communication(left);
int nsection = left.getSectionListSize();
if (nsection != right.getSectionListSize())
throw new IllegalArgumentException(
"left has " + nsection + " sections but right has " + right.getSectionListSize());
for (int i = 0; i < nsection; i++) {
Section sl = left.getSectionList().get(i);
Section sr = right.getSectionList().get(i);
MergedSection m;
try {
m = new MergedSection(sl, sr);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("in section " + i, e);
}
union.getSectionList().set(i, m.getUnion());
}
}
