@Override
 public List<String> getEPersonDeleteConstraints(Context context, EPerson ePerson)
     throws SQLException {
   List<String> constraints = new ArrayList<String>();
   if (CollectionUtils.isNotEmpty(claimedTaskService.findByEperson(context, ePerson))) {
     constraints.add("cwf_claimtask");
   }
   if (CollectionUtils.isNotEmpty(poolTaskService.findByEPerson(context, ePerson))) {
     constraints.add("cwf_pooltask");
   }
   if (CollectionUtils.isNotEmpty(workflowItemRoleService.findByEPerson(context, ePerson))) {
     constraints.add("cwf_workflowitemrole");
   }
   return constraints;
 }
  /**
   * Commit the contained item to the main archive. The item is associated with the relevant
   * collection, added to the search index, and any other tasks such as assigning dates are
   * performed.
   *
   * @param context The relevant DSpace Context.
   * @param wfi workflow item
   * @return the fully archived item.
   * @throws IOException A general class of exceptions produced by failed or interrupted I/O
   *     operations.
   * @throws SQLException An exception that provides information on a database access error or other
   *     errors.
   * @throws AuthorizeException Exception indicating the current user of the context does not have
   *     permission to perform a particular action.
   */
  @Override
  public Item archive(Context context, XmlWorkflowItem wfi)
      throws SQLException, IOException, AuthorizeException {
    // FIXME: Check auth
    Item item = wfi.getItem();
    Collection collection = wfi.getCollection();

    // Remove (if any) the workflowItemroles for this item
    workflowItemRoleService.deleteForWorkflowItem(context, wfi);

    log.info(
        LogManager.getHeader(
            context,
            "archive_item",
            "workflow_item_id="
                + wfi.getID()
                + "item_id="
                + item.getID()
                + "collection_id="
                + collection.getID()));

    installItemService.installItem(context, wfi);

    // Notify
    notifyOfArchive(context, item, collection);

    // Clear any remaining workflow metadata
    itemService.clearMetadata(
        context, item, WorkflowRequirementsService.WORKFLOW_SCHEMA, Item.ANY, Item.ANY, Item.ANY);
    itemService.update(context, item);

    // Log the event
    log.info(
        LogManager.getHeader(
            context,
            "install_item",
            "workflow_item_id=" + wfi.getID() + ", item_id=" + item.getID() + "handle=FIXME"));

    return item;
  }
  /**
   * Return the workflow item to the workspace of the submitter. The workflow item is removed, and a
   * workspace item created.
   *
   * @param c Context
   * @param wfi WorkflowItem to be 'dismantled'
   * @return the workspace item
   * @throws java.io.IOException ...
   * @throws java.sql.SQLException ...
   * @throws org.dspace.authorize.AuthorizeException ...
   */
  protected WorkspaceItem returnToWorkspace(Context c, XmlWorkflowItem wfi)
      throws SQLException, IOException, AuthorizeException {
    // authorize a DSpaceActions.REJECT
    // stop workflow
    deleteAllTasks(c, wfi);

    c.turnOffAuthorisationSystem();
    // Also clear all info for this step
    workflowRequirementsService.clearInProgressUsers(c, wfi);

    // Remove (if any) the workflowItemroles for this item
    workflowItemRoleService.deleteForWorkflowItem(c, wfi);

    Item myitem = wfi.getItem();
    // Restore permissions for the submitter
    grantUserAllItemPolicies(c, myitem, myitem.getSubmitter());

    // FIXME: How should this interact with the workflow system?
    // FIXME: Remove license
    // FIXME: Provenance statement?
    // Create the new workspace item row
    WorkspaceItem workspaceItem = workspaceItemService.create(c, wfi);
    workspaceItem.setMultipleFiles(wfi.hasMultipleFiles());
    workspaceItem.setMultipleTitles(wfi.hasMultipleTitles());
    workspaceItem.setPublishedBefore(wfi.isPublishedBefore());
    workspaceItemService.update(c, workspaceItem);

    // myitem.update();
    log.info(
        LogManager.getHeader(
            c,
            "return_to_workspace",
            "workflow_item_id=" + wfi.getID() + "workspace_item_id=" + workspaceItem.getID()));

    // Now remove the workflow object manually from the database
    xmlWorkflowItemService.deleteWrapper(c, wfi);
    return workspaceItem;
  }