/**
* Build a sparse vector directly from the list of IDs. This allows a scored ID list builder to be
* used to efficiently accumulate a sparse vector. If the same ID is added multiple times, the
* first instance is used.
*
* @return A sparse vector containing the data accumulated.
*/
public ImmutableSparseVector buildVector() {
MutableSparseVector msv = MutableSparseVector.create(ids);
final int size = size();
for (int i = 0; i < size; i++) {
msv.set(ids.get(i), scores.get(i));
}
for (ChannelStorage chan : channels.values()) {
MutableSparseVector vchan = msv.getOrAddChannelVector(chan.symbol);
for (int i = 0; i < size; i++) {
vchan.set(ids.get(i), chan.values.get(i));
}
}
for (TypedChannelStorage<?> chan : typedChannels.values()) {
Long2ObjectMap vchan = msv.getOrAddChannel(chan.symbol);
for (int i = 0; i < size; i++) {
vchan.put(ids.get(i), chan.values.get(i));
}
}
return msv.freeze();
}
