private List getExistingMergesOnBranch()

in src/main/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreator.java [446:467]

• 21 lines of code
• 4 McCabe index (conditional complexity)

  private List<Integer> getExistingMergesOnBranch(
      String upstreamRevision, String topic, String downstreamBranch)
      throws RestApiException, InvalidQueryParameterException, StorageException,
          ConfigInvalidException {
    try (ManualRequestContext ctx = oneOffRequestContext.openAs(config.getContextUserId())) {
      List<Integer> downstreamChangeNumbers = new ArrayList<>();
      List<ChangeInfo> changes = getChangesInTopicAndBranch(topic, downstreamBranch);

      for (ChangeInfo change : changes) {
        String changeRevision = change.currentRevision;
        RevisionInfo revision = change.revisions.get(changeRevision);
        List<CommitInfo> parents = revision.commit.parents;
        if (parents.size() > 1) {
          String secondParent = parents.get(1).commit;
          if (secondParent.equals(upstreamRevision)) {
            downstreamChangeNumbers.add(change._number);
          }
        }
      }
      return downstreamChangeNumbers;
    }
  }