if (!isNullOrEmpty(pendingDescription)) {
        builder.append("PENDING, info=[").append(pendingDescription).append("]");
      } else if (isDone()) {
        addDoneString(builder);
      } else {
        builder.append("PENDING");
      }
    }
    return builder.append("]").toString();
  }

  /**

                        master.put(key, existing);
                        if (!pending.isEmpty()) {
                            predecessors.put(key, pending);
                            pending = new ArrayList<>();
                        }
                    } else {
                        pending.add(element);
                    }
                }

    }

    protected abstract String doBuildColumnString(String dm);

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

    @Override
    public String buildDisplayString(String name, boolean column, boolean relation) { // #pending
        return toString();
    }

    // ===================================================================================

    public ListResultBean<Role> selectList(CBCall<RoleCB> cbLambda) {
        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<Role> selectPage(CBCall<RoleCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<Role>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<RoleCB> cbLambda, EntityRowHandler<Role> entityLambda) {

        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<CrawlingInfo> selectPage(CBCall<CrawlingInfoCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<CrawlingInfo>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<CrawlingInfoCB> cbLambda, EntityRowHandler<CrawlingInfo> entityLambda) {

        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<BoostDocumentRule> selectPage(CBCall<BoostDocumentRuleCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<BoostDocumentRule>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<BoostDocumentRuleCB> cbLambda, EntityRowHandler<BoostDocumentRule> entityLambda) {

        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<DataConfig> selectPage(CBCall<DataConfigCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<DataConfig>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<DataConfigCB> cbLambda, EntityRowHandler<DataConfig> entityLambda) {

        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<JobLog> selectPage(CBCall<JobLogCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<JobLog>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<JobLogCB> cbLambda, EntityRowHandler<JobLog> entityLambda) {

    }

    protected abstract String doBuildColumnString(String dm);

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

    @Override
    public String buildDisplayString(String name, boolean column, boolean relation) { // #pending
        return toString();
    }

    // ===================================================================================

                        master.put(key, element);

                        if (!pending.isEmpty()) {
                            predecessors.put(key, pending);
                            pending = new ArrayList<>();
                        }
                    } else {
                        pending.add(element);
                    }
                }