How to use

build

method

in

org.springframework.cloud.dataflow.core.StreamAppDefinition$Builder

/**
 * Redacts sensitive property values in a stream.
 *
 * @param streamDefinition the stream definition to sanitize
 * @return Stream definition text that has sensitive data redacted.
 */
public String sanitizeStream(StreamDefinition streamDefinition) {
  List<StreamAppDefinition> sanitizedAppDefinitions = streamDefinition.getAppDefinitions().stream()
      .map(app -> StreamAppDefinition.Builder
          .from(app)
          .setProperties(this.sanitizeProperties(app.getProperties()))
          .build(streamDefinition.getName())
      ).collect(Collectors.toList());
  return this.streamDslConverter.toDsl(sanitizedAppDefinitions);
}

/**
 * Redacts sensitive property values in a stream.
 *
 * @param streamDefinition the stream definition to sanitize
 * @return Stream definition text that has sensitive data redacted.
 */
public String sanitizeStream(StreamDefinition streamDefinition) {
  List<StreamAppDefinition> sanitizedAppDefinitions = streamDefinition.getAppDefinitions().stream()
      .map(app -> StreamAppDefinition.Builder
          .from(app)
          .setProperties(this.sanitizeProperties(app.getProperties()))
          .build(streamDefinition.getName())
      ).collect(Collectors.toList());
  return this.streamDslConverter.toDsl(sanitizedAppDefinitions);
}

private void updateStreamDefinitionFromReleaseManifest(String streamName, String releaseManifest) {
  List<SpringCloudDeployerApplicationManifest> appManifests = new SpringCloudDeployerApplicationManifestReader()
      .read(releaseManifest);
  Map<String, SpringCloudDeployerApplicationManifest> appManifestMap = new HashMap<>();
  for (SpringCloudDeployerApplicationManifest am : appManifests) {
    String name = am.getSpec().getApplicationProperties().get(DataFlowPropertyKeys.STREAM_APP_LABEL);
    appManifestMap.put(name, am);
  }
  StreamDefinition streamDefinition = this.streamDefinitionRepository.findById(streamName)
      .orElseThrow(() -> new NoSuchStreamDefinitionException(streamName));
  LinkedList<StreamAppDefinition> updatedStreamAppDefinitions = new LinkedList<>();
  for (StreamAppDefinition appDefinition : streamDefinition.getAppDefinitions()) {
    StreamAppDefinition.Builder appDefinitionBuilder = StreamAppDefinition.Builder.from(appDefinition);
    SpringCloudDeployerApplicationManifest applicationManifest = appManifestMap.get(appDefinition.getName());
    // overrides app definition properties with those from the release manifest
    appDefinitionBuilder.setProperties(applicationManifest.getSpec().getApplicationProperties());
    updatedStreamAppDefinitions.addLast(appDefinitionBuilder.build(streamDefinition.getName()));
  }
  String dslText = new StreamDefinitionToDslConverter().toDsl(updatedStreamAppDefinitions);
  StreamDefinition updatedStreamDefinition = new StreamDefinition(streamName, dslText);
  logger.debug("Updated StreamDefinition: " + updatedStreamDefinition);
  // TODO consider adding an explicit UPDATE method to the streamDefRepository
  // Note: Not transactional and can lead to loosing the stream definition
  this.streamDefinitionRepository.delete(updatedStreamDefinition);
  this.streamDefinitionRepository.save(updatedStreamDefinition);
  this.auditRecordService.populateAndSaveAuditRecord(
      AuditOperationType.STREAM, AuditActionType.UPDATE, streamName, this.auditServiceUtils.convertStreamDefinitionToAuditData(streamDefinition));
}

private void updateStreamDefinitionFromReleaseManifest(String streamName, String releaseManifest) {
  List<SpringCloudDeployerApplicationManifest> appManifests = new SpringCloudDeployerApplicationManifestReader()
      .read(releaseManifest);
  Map<String, SpringCloudDeployerApplicationManifest> appManifestMap = new HashMap<>();
  for (SpringCloudDeployerApplicationManifest am : appManifests) {
    String name = am.getSpec().getApplicationProperties().get(DataFlowPropertyKeys.STREAM_APP_LABEL);
    appManifestMap.put(name, am);
  }
  StreamDefinition streamDefinition = this.streamDefinitionRepository.findOne(streamName);
  LinkedList<StreamAppDefinition> updatedStreamAppDefinitions = new LinkedList<>();
  for (StreamAppDefinition appDefinition : streamDefinition.getAppDefinitions()) {
    StreamAppDefinition.Builder appDefinitionBuilder = StreamAppDefinition.Builder.from(appDefinition);
    SpringCloudDeployerApplicationManifest applicationManifest = appManifestMap.get(appDefinition.getName());
    // overrides app definition properties with those from the release manifest
    appDefinitionBuilder.setProperties(applicationManifest.getSpec().getApplicationProperties());
    updatedStreamAppDefinitions.addLast(appDefinitionBuilder.build(streamDefinition.getName()));
  }
  String dslText = new StreamDefinitionToDslConverter().toDsl(updatedStreamAppDefinitions);
  StreamDefinition updatedStreamDefinition = new StreamDefinition(streamName, dslText);
  logger.debug("Updated StreamDefinition: " + updatedStreamDefinition);
  // TODO consider adding an explicit UPDATE method to the streamDefRepository
  // Note: Not transactional and can lead to loosing the stream definition
  this.streamDefinitionRepository.delete(updatedStreamDefinition);
  this.streamDefinitionRepository.save(updatedStreamDefinition);
  this.auditRecordService.populateAndSaveAuditRecord(
      AuditOperationType.STREAM, AuditActionType.UPDATE, streamName, this.auditServiceUtils.convertStreamDefinitionToAuditData(streamDefinition));
}

streamAppDefinitions.add(builder.build(streamName));