@Test
  public void should_keep_changes_made_by_user() {
    DefaultIssue issue =
        new DefaultIssue()
            .setKey("ABCDE")
            .setRuleKey(RuleKey.of("squid", "AvoidCycles"))
            .setComponentKey("struts:org.apache.struts.Action")
            .setNew(false);

    // Before starting scan
    issue.setAssignee(null);
    issue.setCreationDate(DateUtils.parseDate("2012-01-01"));
    issue.setUpdateDate(DateUtils.parseDate("2012-02-02"));

    // Changed by scan
    issue.setLine(200);
    issue.setSeverity(Severity.BLOCKER);
    issue.setManualSeverity(false);
    issue.setAuthorLogin("simon");
    issue.setChecksum("CHECKSUM-ABCDE");
    issue.setResolution(null);
    issue.setStatus(Issue.STATUS_REOPENED);

    // Issue as seen and changed by end-user
    IssueDto dbIssue =
        new IssueDto()
            .setKee("ABCDE")
            .setRuleId(10)
            .setRuleKey("squid", "AvoidCycles")
            .setComponentUuid("100")
            .setComponentKey("struts:org.apache.struts.Action")
            .setLine(10)
            .setResolution(Issue.RESOLUTION_FALSE_POSITIVE)
            .setStatus(Issue.STATUS_RESOLVED)
            .setAssignee("arthur")
            .setSeverity(Severity.MAJOR)
            .setManualSeverity(false);

    new UpdateConflictResolver().mergeFields(dbIssue, issue);

    assertThat(issue.key()).isEqualTo("ABCDE");
    assertThat(issue.componentKey()).isEqualTo("struts:org.apache.struts.Action");

    // Scan wins on :
    assertThat(issue.line()).isEqualTo(200);
    assertThat(issue.severity()).isEqualTo(Severity.BLOCKER);
    assertThat(issue.manualSeverity()).isFalse();

    // User wins on :
    assertThat(issue.assignee()).isEqualTo("arthur");
    assertThat(issue.resolution()).isEqualTo(Issue.RESOLUTION_FALSE_POSITIVE);
    assertThat(issue.status()).isEqualTo(Issue.STATUS_RESOLVED);
  }
 public boolean setResolution(
     DefaultIssue issue, @Nullable String resolution, IssueChangeContext context) {
   if (!Objects.equals(resolution, issue.resolution())) {
     issue.setFieldChange(context, RESOLUTION, issue.resolution(), resolution);
     issue.setResolution(resolution);
     issue.setUpdateDate(context.date());
     issue.setChanged(true);
     issue.setSendNotifications(true);
     return true;
   }
   return false;
 }
 private void resolveResolution(IssueDto dbIssue, DefaultIssue issue) {
   issue.setResolution(dbIssue.getResolution());
 }