How to use

getId

method

in

org.eclipse.ditto.signals.base.Signal

  @Override
  public void accept(final ExternalMessage externalMessage, final Signal<?> signal) {
    externalMessage.getEnforcementFilter().ifPresent(enforcementFilter -> {
      log.debug("Connection Signal ID Enforcement enabled - matching Signal ID <{}> with filter: {}",
          signal.getId(), enforcementFilter);
      enforcementFilter.match(signal.getId(), signal.getDittoHeaders());
    });
  }
}

/**
 * Wrap a signal in a sharded message envelope addressed to the correct {@code EnforcerActor}.
 *
 * @param signal the signal to wrap.
 * @return the sharded message envelope.
 */
public static ShardedMessageEnvelope wrapForEnforcer(final Signal<?> signal) {
  final EntityId entityId;
  if (MessageCommand.RESOURCE_TYPE.equals(signal.getResourceType())) {
    entityId = EntityId.of(ThingCommand.RESOURCE_TYPE, signal.getId());
  } else {
    entityId = EntityId.of(signal.getResourceType(), signal.getId());
  }
  return createEnvelope(entityId, signal);
}

  @Override
  public void accept(final ExternalMessage externalMessage, final Signal<?> signal) {
    externalMessage.getEnforcementFilter().ifPresent(enforcementFilter -> {
      log.debug("Connection Signal ID Enforcement enabled: {}", enforcementFilter);
      enforcementFilter.match(signal.getId(), signal.getDittoHeaders());
    });
  }
}

@Override
public DittoHeaders apply(final InboundExternalMessage inboundExternalMessage) {
  final Signal<?> signal = inboundExternalMessage.getSignal();
  final ExternalMessage externalMessage = inboundExternalMessage.getSource();
  return externalMessage.getHeaderMapping().map(mapping -> {
    final DittoHeaders dittoHeaders = signal.getDittoHeaders();
    final String thingId = signal.getId();
    final DittoHeadersBuilder dittoHeadersBuilder = dittoHeaders.toBuilder();
    mapping.getMapping().entrySet().stream()
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(), dittoHeaders, HEADERS_PLACEHOLDER, true))
        )
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(), thingId, THING_PLACEHOLDER, true))
        )
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(),
                inboundExternalMessage.getTopicPath(),
                TOPIC_PLACEHOLDER, true))
        )
        .forEach(e -> dittoHeadersBuilder.putHeader(e.getKey(), e.getValue()));
    LogUtil.enhanceLogWithCorrelationId(log, signal);
    final DittoHeaders newHeaders = dittoHeadersBuilder.build();
    log.debug("Result of header mapping <{}> are these headers: {}", mapping, newHeaders);
    return newHeaders;
  }).orElse(signal.getDittoHeaders());
}

@Override
public DittoHeaders apply(final InboundExternalMessage inboundExternalMessage) {
  final Signal<?> signal = inboundExternalMessage.getSignal();
  final ExternalMessage externalMessage = inboundExternalMessage.getSource();
  return externalMessage.getHeaderMapping().map(mapping -> {
    final DittoHeaders dittoHeaders = signal.getDittoHeaders();
    final String thingId = signal.getId();
    final DittoHeadersBuilder dittoHeadersBuilder = dittoHeaders.toBuilder();
    mapping.getMapping().entrySet().stream()
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(), dittoHeaders, HEADERS_PLACEHOLDER, true))
        )
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(), thingId, THING_PLACEHOLDER, true))
        )
        .map(e -> newEntry(e.getKey(),
            PlaceholderFilter.apply(e.getValue(),
                inboundExternalMessage.getTopicPath(),
                TOPIC_PLACEHOLDER, true))
        )
        .forEach(e -> dittoHeadersBuilder.putHeader(e.getKey(), e.getValue()));
    LogUtil.enhanceLogWithCorrelationId(log, signal);
    final DittoHeaders newHeaders = dittoHeadersBuilder.build();
    log.debug("Result of header mapping <{}> are these headers: {}", mapping, newHeaders);
    return newHeaders;
  }).orElse(signal.getDittoHeaders());
}

PlaceholderFilter.apply(e.getValue(), sourceSignal.getId(), THING_PLACEHOLDER, true))

PlaceholderFilter.apply(e.getValue(), sourceSignal.getId(), THING_PLACEHOLDER, true))

PlaceholderFilter.filterTargets(subscribedAndAuthorizedTargets, signal.getId(),
    unresolvedPlaceholder -> log.info(UNRESOLVED_PLACEHOLDERS_MESSAGE, unresolvedPlaceholder));

PlaceholderFilter.filterTargets(subscribedAndAuthorizedTargets, signal.getId(),
    unresolvedPlaceholder -> log.info(UNRESOLVED_PLACEHOLDERS_MESSAGE, unresolvedPlaceholder));

final String signalId = transformedSignal.getId();
final String signalType = transformedSignal.getType();
if (signalId.isEmpty()) {

    signal.getId());
final ThingNotAccessibleException error = ThingNotAccessibleException.newBuilder(entityId().getId())
    .dittoHeaders(signal.getDittoHeaders())