How to use

build

method

in

org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos$MultiUserAuthorizations$Builder

/**
 * Creates the user auth data to be written to zookeeper.
 * @param userAuths
 * @return Bytes form of user auths details to be written to zookeeper.
 */
public static byte[] getUserAuthsDataToWriteToZooKeeper(Map<String, List<Integer>> userAuths) {
 MultiUserAuthorizations.Builder builder = MultiUserAuthorizations.newBuilder();
 for (Entry<String, List<Integer>> entry : userAuths.entrySet()) {
  UserAuthorizations.Builder userAuthsBuilder = UserAuthorizations.newBuilder();
  userAuthsBuilder.setUser(ByteString.copyFrom(Bytes.toBytes(entry.getKey())));
  for (Integer label : entry.getValue()) {
   userAuthsBuilder.addAuth(label);
  }
  builder.addUserAuths(userAuthsBuilder.build());
 }
 return ProtobufUtil.prependPBMagic(builder.build().toByteArray());
}

/**
 * Creates the user auth data to be written to zookeeper.
 * @param userAuths
 * @return Bytes form of user auths details to be written to zookeeper.
 */
public static byte[] getUserAuthsDataToWriteToZooKeeper(Map<String, List<Integer>> userAuths) {
 MultiUserAuthorizations.Builder builder = MultiUserAuthorizations.newBuilder();
 for (Entry<String, List<Integer>> entry : userAuths.entrySet()) {
  UserAuthorizations.Builder userAuthsBuilder = UserAuthorizations.newBuilder();
  userAuthsBuilder.setUser(ByteStringer.wrap(Bytes.toBytes(entry.getKey())));
  for (Integer label : entry.getValue()) {
   userAuthsBuilder.addAuth(label);
  }
  builder.addUserAuths(userAuthsBuilder.build());
 }
 return ProtobufUtil.prependPBMagic(builder.build().toByteArray());
}

/**
 * Reads back User auth data written to zookeeper.
 * @param data
 * @return User auth details
 * @throws DeserializationException
 */
public static MultiUserAuthorizations readUserAuthsFromZKData(byte[] data) 
  throws DeserializationException {
 if (ProtobufUtil.isPBMagicPrefix(data)) {
  int pblen = ProtobufUtil.lengthOfPBMagic();
  try {
   MultiUserAuthorizations.Builder builder = MultiUserAuthorizations.newBuilder();
   ProtobufUtil.mergeFrom(builder, data, pblen, data.length - pblen);
   return builder.build();
  } catch (IOException e) {
   throw new DeserializationException(e);
  }
 }
 return null;
}

/**
 * Reads back User auth data written to zookeeper.
 * @param data
 * @return User auth details
 * @throws DeserializationException
 */
public static MultiUserAuthorizations readUserAuthsFromZKData(byte[] data) 
  throws DeserializationException {
 if (ProtobufUtil.isPBMagicPrefix(data)) {
  int pblen = ProtobufUtil.lengthOfPBMagic();
  try {
   MultiUserAuthorizations.Builder builder = MultiUserAuthorizations.newBuilder();
   ProtobufUtil.mergeFrom(builder, data, pblen, data.length - pblen);
   return builder.build();
  } catch (IOException e) {
   throw new DeserializationException(e);
  }
 }
 return null;
}