@Override public void execute(Tuple tuple) { List<Object> id = tuple.select(_idFields); GlobalStreamId streamId = new GlobalStreamId(tuple.getSourceComponent(), tuple.getSourceStreamId()); if (!_pending.containsKey(id)) { _pending.put(id, new HashMap<GlobalStreamId, Tuple>()); } Map<GlobalStreamId, Tuple> parts = _pending.get(id); if (parts.containsKey(streamId)) { throw new RuntimeException("Received same side of single join twice"); } parts.put(streamId, tuple); if (parts.size() == _numSources) { _pending.remove(id); List<Object> joinResult = new ArrayList<Object>(); for (String outField : _outFields) { GlobalStreamId loc = _fieldLocations.get(outField); joinResult.add(parts.get(loc).getValueByField(outField)); } _collector.emit(new ArrayList<Tuple>(parts.values()), joinResult); for (Tuple part : parts.values()) { _collector.ack(part); } } }
/** * Returns list of groups for a user * * @param user get groups for this user * @return list of groups for a given user */ @Override public Set<String> getGroups(String user) throws IOException { if(cachedGroups.containsKey(user)) { return cachedGroups.get(user); } Set<String> groups = getUnixGroups(user); if(!groups.isEmpty()) cachedGroups.put(user,groups); return groups; }
@Override public void execute(Tuple tuple) { List<Object> id = tuple.select(_idFields); GlobalStreamId streamId = new GlobalStreamId(tuple.getSourceComponent(), tuple.getSourceStreamId()); if (!_pending.containsKey(id)) { _pending.put(id, new HashMap<GlobalStreamId, Tuple>()); } Map<GlobalStreamId, Tuple> parts = _pending.get(id); if (parts.containsKey(streamId)) throw new RuntimeException("Received same side of single join twice"); parts.put(streamId, tuple); if (parts.size() == _numSources) { _pending.remove(id); List<Object> joinResult = new ArrayList<Object>(); for (String outField : _outFields) { GlobalStreamId loc = _fieldLocations.get(outField); joinResult.add(parts.get(loc).getValueByField(outField)); } _collector.emit(new ArrayList<Tuple>(parts.values()), joinResult); for (Tuple part : parts.values()) { _collector.ack(part); } } }