private void abandonDownstream()

in src/main/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreator.java [602:622]

• 20 lines of code
• 5 McCabe index (conditional complexity)

  private void abandonDownstream(ChangeInfo change, String revision)
      throws ConfigInvalidException, StorageException {
    try {
      Set<String> downstreamBranches = config.getDownstreamBranches(change.branch, change.project);
      if (downstreamBranches.isEmpty()) {
        log.debug("Downstream branches of {} on {} are empty", change.branch, change.project);
        return;
      }

      for (String downstreamBranch : downstreamBranches) {
        List<Integer> existingDownstream =
            getExistingMergesOnBranch(revision, change.topic, downstreamBranch);
        log.debug("Abandoning existing downstreams: {}", existingDownstream);
        for (Integer changeNumber : existingDownstream) {
          abandonChange(changeNumber);
        }
      }
    } catch (RestApiException | IOException | InvalidQueryParameterException e) {
      log.error("Failed to abandon downstreams of {}", change.id, e);
    }
  }