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();
}
