package tutorial.storm.trident.operations; import storm.trident.operation.BaseFilter; import storm.trident.tuple.TridentTuple; import twitter4j.Status; /** * @author Enno Shioji ([email protected]) */ public class OnlyGeo extends BaseFilter { @Override public boolean isKeep(TridentTuple tuple) { Status status = (Status) tuple.get(0); return !(null == status.getPlace() || null == status.getPlace().getCountryCode()); } }