How to use

writePayload

method

in

org.apache.flink.queryablestate.network.messages.MessageSerializer

/**
 * Serializes the response sent to the
 * {@link org.apache.flink.queryablestate.network.Client}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param response        The response to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <RESP extends MessageBody> ByteBuf serializeResponse(
    final ByteBufAllocator alloc,
    final long requestId,
    final RESP response) {
  Preconditions.checkNotNull(response);
  return writePayload(alloc, requestId, MessageType.REQUEST_RESULT, response.serialize());
}

/**
 * Serializes the request sent to the
 * {@link org.apache.flink.queryablestate.network.AbstractServerBase}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param request        The request to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <REQ extends MessageBody> ByteBuf serializeRequest(
    final ByteBufAllocator alloc,
    final long requestId,
    final REQ request) {
  Preconditions.checkNotNull(request);
  return writePayload(alloc, requestId, MessageType.REQUEST, request.serialize());
}

/**
 * Serializes the request sent to the
 * {@link org.apache.flink.queryablestate.network.AbstractServerBase}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param request        The request to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <REQ extends MessageBody> ByteBuf serializeRequest(
    final ByteBufAllocator alloc,
    final long requestId,
    final REQ request) {
  Preconditions.checkNotNull(request);
  return writePayload(alloc, requestId, MessageType.REQUEST, request.serialize());
}

/**
 * Serializes the response sent to the
 * {@link org.apache.flink.queryablestate.network.Client}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param response        The response to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <RESP extends MessageBody> ByteBuf serializeResponse(
    final ByteBufAllocator alloc,
    final long requestId,
    final RESP response) {
  Preconditions.checkNotNull(response);
  return writePayload(alloc, requestId, MessageType.REQUEST_RESULT, response.serialize());
}

/**
 * Serializes the request sent to the
 * {@link org.apache.flink.queryablestate.network.AbstractServerBase}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param request        The request to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <REQ extends MessageBody> ByteBuf serializeRequest(
    final ByteBufAllocator alloc,
    final long requestId,
    final REQ request) {
  Preconditions.checkNotNull(request);
  return writePayload(alloc, requestId, MessageType.REQUEST, request.serialize());
}

/**
 * Serializes the response sent to the
 * {@link org.apache.flink.queryablestate.network.Client}.
 *
 * @param alloc            The {@link ByteBufAllocator} used to allocate the buffer to serialize the message into.
 * @param requestId        The id of the request to which the message refers to.
 * @param response        The response to be serialized.
 * @return A {@link ByteBuf} containing the serialized message.
 */
public static <RESP extends MessageBody> ByteBuf serializeResponse(
    final ByteBufAllocator alloc,
    final long requestId,
    final RESP response) {
  Preconditions.checkNotNull(response);
  return writePayload(alloc, requestId, MessageType.REQUEST_RESULT, response.serialize());
}