protected List<Object> executeInConcurrency(
SqlSessionCallback action, SortedMap<String, DataSource> dsMap) {
List<ConcurrentShardRequest> requests = Lists.newArrayList();
for (Map.Entry<String, DataSource> entry : dsMap.entrySet()) {
ConcurrentShardRequest request = new ConcurrentShardRequest();
request.setAction(action);
request.setDataSource(entry.getValue());
request.setExecutor(dataSourceSpecificExecutors.get(entry.getKey()));
requests.add(request);
}
return getConcurrentShardRequestProcessor().process(requests);
}
