How to use

createIssueLink

method

in

com.atlassian.jira.issue.link.IssueLinkManager

@Override
public void createSubTaskIssueLink(Issue parentIssue, Issue subTaskIssue, ApplicationUser remoteUser) throws CreateException
{
  if (parentIssue == null)
  {
    throw new IllegalArgumentException("Parent Issue cannot be null.");
  }
  else if (subTaskIssue == null)
  {
    throw new IllegalArgumentException("Sub-Task Issue cannot be null.");
  }
  // Determine the next sequence of the issue
  final Collection subTaskIssueLinks = getSubTaskIssueLinks(parentIssue.getId());
  // Determine the sequence of the new sub-task link
  final long sequence = subTaskIssueLinks == null ? 0 : subTaskIssueLinks.size();
  issueLinkManager.createIssueLink(parentIssue.getId(), subTaskIssue.getId(), getSubTaskIssueLinkType().getId(), sequence, remoteUser);
}

@Override
public Either<NegativeResponseStatus, SuccessfulResponse> copyLocalIssueLink(Issue localIssue, String remoteIssueKey, Long remoteIssueId, SimplifiedIssueLinkType issueLinkType, LinkCreationDirection localDirection, LinkCreationDirection remoteDirection) {
  try {
    //In contrary to remote links, local are always created in both directions so is is not possible to create only one-way local link.
    //So here we care only local direction (ie creating link from source issue)
    if (localDirection == LinkCreationDirection.OUTWARD) {
      issueLinkManager.createIssueLink(localIssue.getId(), remoteIssueId, issueLinkType.getId(), null, jiraAuthenticationContext.getLoggedInUser());
    } else if (localDirection == LinkCreationDirection.INWARD) {
      issueLinkManager.createIssueLink(remoteIssueId, localIssue.getId(), issueLinkType.getId(), null, jiraAuthenticationContext.getLoggedInUser());
    }
    return SuccessfulResponse.buildEither(jiraLocation);
  } catch (CreateException e) {
    return Either.left(NegativeResponseStatus.errorOccured(jiraLocation, e.getMessage()));
  }
}

private void createLocalLink(final IssueLinkType linkType, final MutableIssue destinationIssue)
{
  try
  {
    if (linkDesc.equals(linkType.getOutward()))
    {
      issueLinkManager.createIssueLink(getIssue().getLong("id"), destinationIssue.getId(), linkType.getId(), null, getLoggedInUser());
    }
    else
    {
      issueLinkManager.createIssueLink(destinationIssue.getId(), getIssue().getLong("id"), linkType.getId(), null, getLoggedInUser());
    }
  }
  catch (Exception e)
  {
    log.error("Error occurred creating link: " + e, e);
    addErrorMessage(getText("admin.errors.issues.an.error.occured", e));
  }
}

private void linkIssue(IssueLinkType linkType, MutableIssue destinationIssue)
{
  try
  {
    if (linkDesc.equals(linkType.getOutward()))
    {
      issueLinkManager.createIssueLink(getIssue().getLong("id"), destinationIssue.getId(), linkType.getId(), null, getLoggedInUser());
    }
    else
    {
      issueLinkManager.createIssueLink(destinationIssue.getId(), getIssue().getLong("id"), linkType.getId(), null, getLoggedInUser());
    }
    userHistoryManager.addItemToHistory(ISSUELINKTYPE, getLoggedInUser(), valueOf(linkType.getId()), linkDesc);
  }
  catch (Exception e)
  {
    log.error("Error occurred creating link: " + e, e);
    addErrorMessage(getText("admin.errors.issues.an.error.occured", e));
  }
}

issueLinkManager.createIssueLink(workingIssueId, cloneIssue.getId(), issueLink.getIssueLinkType().getId(), null,
    getLoggedInUser());
issueLinkManager.createIssueLink(cloneIssue.getId(), workingIssueId, issueLink.getIssueLinkType().getId(), null,
    getLoggedInUser());

private void linkCloningIssueToOriginalOne(final Issue cloneIssue) throws CreateException
{
  // Record the mapping from old ID to new ID
  newIssueIdMap.put(getOriginalIssue().getId(), cloneIssue.getId());
  // Create link between the cloned issue and the original - sequence on links does not matter.
  final IssueLinkType cloneIssueLinkType = getCloneIssueLinkType();
  if (cloneIssueLinkType != null)
  {
    issueLinkManager.createIssueLink(getIssue().getLong("id"), getOriginalIssue().getId(), cloneIssueLinkType.getId(), null,
        getLoggedInUser());
  }
}

issueLinkManager.createIssueLink(sourceIssue.getId(), destinationIssue.getId(), linkType.getId(), null, result.getUser());
issueLinkManager.createIssueLink(destinationIssue.getId(), sourceIssue.getId(), linkType.getId(), null, result.getUser());

try
  issueLinkManager.createIssueLink(inwardIssue.getId(), outwardIssue.getId(), linkType.getId(), null, authContext.getUser());
  issueLinkId = issueLinkManager.getIssueLink(inwardIssue.getId(), outwardIssue.getId(), linkType.getId()).getId();