TopologyBuilder builder = new TopologyBuilder();
SpoutDeclarer declarer = builder.setSpout(coordinator, new TransactionalSpoutCoordinator(_spout));
for(Map conf: _spoutConfs) {
declarer.addConfigurations(conf);
}
declarer.addConfiguration(Config.TOPOLOGY_TRANSACTIONAL_ID, _id);
BoltDeclarer emitterDeclarer =
builder.setBolt(_spoutId,
new CoordinatedBolt(new TransactionalSpoutBatchExecutor(_spout),
null,