Пример #1
0
 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);
 }
Пример #2
0
 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();
 }
Пример #3
0
 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);
 }
Пример #4
0
 public void put(Optional<Request> putRequest) {
   if (!valid) {
     Logger.error("CANNOT PUT! NO VALID CONNECTION");
     return;
   }
   putRequest.ifPresent(
       pr ->
           pr.getPut()
               .ifPresent(
                   p -> {
                     try {
                       final Table table = connection.getTable(TableName.valueOf(pr.table));
                       table.put(p);
                       table.close();
                     } catch (IOException e) {
                       e.printStackTrace();
                     }
                   }));
 }
Пример #5
0
 public Optional<byte[]> get(
     Optional<String> table,
     Optional<String> family,
     Optional<String> qualifier,
     Optional<String> key) {
   if (!valid) {
     Logger.error("CANNOT GET! NO VALID CONNECTION");
     return Optional.empty();
   }
   if (table.isPresent()
       && family.isPresent()
       && qualifier.isPresent()
       && key.isPresent()
       && !key.get().isEmpty()) {
     try {
       final Table htable = connection.getTable(TableName.valueOf(table.get()));
       Result result = htable.get(new Get(key.get().getBytes("UTF8")));
       return Optional.ofNullable(
           result.getValue(family.get().getBytes("UTF8"), qualifier.get().getBytes("UTF8")));
     } catch (IOException e) {
       e.printStackTrace();
     }
   }
   return Optional.empty();
 }