public Optional<List<Response>> getBatch(Optional<List<Request>> requests) {
if (!valid) {
Logger.error("CANNOT GET! NO VALID CONNECTION");
return Optional.empty();
}
List<Response> responses = new ArrayList<>();
requests.ifPresent(
reqs ->
reqs.forEach(r -> get(Optional.of(r)).ifPresent(response -> responses.add(response))));
return Optional.of(responses);
}
public Optional<Response> get(Optional<Request> request) {
if (!valid) {
Logger.error("CANNOT GET! NO VALID CONNECTION");
return Optional.empty();
}
Response response = new Response();
if (request.isPresent()) {
Request r = request.get();
response.key = r.key;
response.table = r.table;
try {
final Table htable = connection.getTable(TableName.valueOf(r.table));
Result result = htable.get(new Get(r.key));
if (result == null || result.isEmpty()) {
return Optional.empty();
}
r.columns.forEach(
c ->
response.columns.add(
new Request.Column(
c.family,
c.qualifier,
result.getValue(c.family.getBytes(), c.qualifier.getBytes()))));
} catch (IOException e) {
e.printStackTrace();
}
}
return Optional.of(response);
}
public Optional<Put> getPut() {
if (valid()) {
Put p = new Put(key);
columns.forEach(c -> p.addColumn(c.family.getBytes(), c.qualifier.getBytes(), c.value));
return Optional.of(p);
}
return Optional.empty();
}