How to use

co.cask.cdap.data2.dataset2.lib.table.ObjectStoreDataset

constructor

 @Override
 public ObjectStoreDataset<?> getDataset(DatasetContext datasetContext, DatasetSpecification spec,
                     Map<String, String> arguments, ClassLoader classLoader) throws IOException {
  DatasetSpecification kvTableSpec = spec.getSpecification("objects");
  KeyValueTable table = tableDef.getDataset(datasetContext, kvTableSpec, arguments, classLoader);

  TypeRepresentation typeRep = GSON.fromJson(spec.getProperty("type"), TypeRepresentation.class);
  Schema schema = GSON.fromJson(spec.getProperty("schema"), Schema.class);
  return new ObjectStoreDataset(spec.getName(), table, typeRep, schema, classLoader);
 }
}

 @Override
 public ObjectStoreDataset<?> getDataset(DatasetContext datasetContext, DatasetSpecification spec,
                     Map<String, String> arguments, ClassLoader classLoader) throws IOException {
  DatasetSpecification kvTableSpec = spec.getSpecification("objects");
  KeyValueTable table = tableDef.getDataset(datasetContext, kvTableSpec, arguments, classLoader);

  TypeRepresentation typeRep = GSON.fromJson(spec.getProperty("type"), TypeRepresentation.class);
  Schema schema = GSON.fromJson(spec.getProperty("schema"), Schema.class);
  return new ObjectStoreDataset(spec.getName(), table, typeRep, schema, classLoader);
 }
}

Schema schema = new ReflectionSchemaGenerator().generate(type);
final ObjectStoreDataset<Custom> objectStore = new ObjectStoreDataset<>("kv", kvTable, typeRep, schema, loader);
TransactionExecutor txnl = dsFrameworkUtil.newInMemoryTransactionExecutor(objectStore);