/**
* Add a scored ID. The ID is copied into the builder, not referenced. All side channels on the ID
* must have already been added with one of the {@code addChannel} methods.
*
* @param id The ID.
* @return The builder (for chaining).
*/
public ScoredIdListBuilder add(ScoredId id) {
Preconditions.checkState(ids != null, "builder has been finished");
// check whether all symbols are valid
Collection<SymbolValue<?>> chans = id.getChannels();
if (!ignoreUnknown) {
for (SymbolValue<?> chan : chans) {
TypedSymbol<?> sym = chan.getSymbol();
boolean good =
sym.getType().equals(Double.class)
? channels.containsKey(sym.getRawSymbol())
: typedChannels.containsKey(sym);
if (!good) {
throw new IllegalArgumentException("channel " + sym + " not known");
}
}
}
// now we're ready to add
int idx = ids.size();
add(id.getId(), id.getScore());
assert ids.size() == idx + 1;
assert scores.size() == idx + 1;
for (SymbolValue<?> sv : chans) {
TypedSymbol<?> sym = sv.getSymbol();
if (sym.getType().equals(Double.class) && channels.containsKey(sym.getRawSymbol())) {
ChannelStorage chan = channels.get(sym.getRawSymbol());
assert chan.values.size() == idx + 1;
if (sv instanceof DoubleSymbolValue) {
chan.values.set(idx, ((DoubleSymbolValue) sv).getDoubleValue());
} else {
Object v = sv.getValue();
chan.values.set(idx, (Double) v);
}
} else {
TypedChannelStorage chan = typedChannels.get(sv.getSymbol());
if (chan != null) {
assert chan.values.size() == idx + 1;
chan.values.set(idx, sv.getValue());
}
}
}
return this;
}
/**
* Get the number of items currently in the builder.
*
* @return The number of items in the builder.
*/
public int size() {
assert ids.size() == scores.size();
return ids.size();
}