@Override
public final int diff(final Item it, final Collation coll, final InputInfo ii)
throws QueryException {
return it.type.isUntyped()
? coll == null ? Token.diff(string(), it.string(ii)) : coll.compare(string(), it.string(ii))
: -it.diff(this, coll, ii);
}
@Override
public String toString() {
final TokenBuilder tb = new TokenBuilder().add(var.toString()).add(' ').add(ASSIGN);
tb.add(' ').add(expr.toString());
if (coll != null) tb.add(' ').add(COLLATION).add(" \"").add(coll.uri()).add('"');
return tb.toString();
}
@Override
public final boolean eq(
final Item it, final Collation coll, final StaticContext sc, final InputInfo ii)
throws QueryException {
return it.type.isUntyped()
? coll == null
? Token.eq(string(), it.string(ii))
: coll.compare(string(), it.string(ii)) == 0
: it.eq(this, coll, sc, ii);
}