/**
* Sends {bytesToSend} via {@link #echoClient} and validates echo response if {@link
* validateResponse} is {@code true}.
*
* @param bytesToSend Bytes to send via {@link #echoClient}.
* @param executorService {@link ExecutorService} to use to handle result of the {@link
* TcpSequentialClient#send(TcpMessage)} method.
* @return {@link CompletionStage} that represents success ({@code true}) or failure ({@code
* false}) of validation of echo response.
*/
private final CompletionStage<Boolean> echo(
final byte[] bytesToSend, final ExecutorService executorService) {
final CompletionStage<Optional<TcpResponse<byte[]>>> echoResponse =
echoClient.send(new TcpMessage<>(bytesToSend, echoResponseTimeoutMillis));
return echoResponse.thenApplyAsync(
(response) -> {
final TcpResponse<byte[]> tcpResponse = response.get();
final byte[] respondedBytes = tcpResponse.get();
final Boolean result =
validateResponse ? Arrays.equals(bytesToSend, respondedBytes) : TRUE;
if (!result) {
tcpResponse.abort();
}
return result;
},
executorService);
}
/**
* Shuts down {@link TcpSequentialClient} that was specified to construct this {@link
* EchoUtf8StringRestRequestHandler}.
*/
@Override
protected final void shutdownHook() {
echoClient.shutdown();
}