public void test_waitForNext_withPositiveInterval() throws InterruptedException {
        configHelper.setReloadInterval(20L);

        long startTime = System.currentTimeMillis();
        configHelper.waitForNext();
        long endTime = System.currentTimeMillis();

        long elapsed = endTime - startTime;
        assertTrue("Expected at least 15ms sleep, got " + elapsed + "ms", elapsed >= 15);

    private final boolean permanent;

    private long startTime;

    private int status = ACTIVE;

    TimeoutTask(final TimeoutTarget timeoutTarget, final int timeout, final boolean permanent) {
        this.timeoutTarget = timeoutTarget;
        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        this.startTime = System.currentTimeMillis();
    }

    /**

                + ", scriptData=" + scriptData + ", scriptResult=" + scriptResult + ", scriptType=" + scriptType + ", startTime="
                + startTime + ", target=" + target + ", docMeta=" + docMeta + "]";
    }

        this.scriptType = value;
    }

    public Long getStartTime() {
        checkSpecifiedProperty("startTime");
        return startTime;
    }

    public void setStartTime(Long value) {
        registerModifiedProperty("startTime");
        this.startTime = value;
    }

    public String getTarget() {
        checkSpecifiedProperty("target");

            "type" : "keyword"
          },
          "scriptResult" : {
            "type" : "keyword"
          },
          "scriptType" : {
            "type" : "keyword"
          },
          "startTime" : {
            "type" : "long"
          },
          "target" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {

      },
      "scriptData": {
        "type": "keyword"
      },
      "scriptResult": {
        "type": "keyword"
      },
      "lastUpdated": {
        "type": "long"
      },
      "startTime": {
        "type": "long"
      },
      "endTime": {
        "type": "long"
      }
    }

     */
    public String scriptResult;

    /**
     * The timestamp when the job started execution.
     * This is a required field indicating when the job began.
     */
    @Required
    public String startTime;

    /**
     * The timestamp when the job completed execution.
     * This field indicates when the job finished, if it has completed.
     */
    public String endTime;

    /**

    /** Search criteria: target */
    public String target;

    /** Search criteria: script type */
    public String scriptType;

    /** Search criteria: start time */
    public String startTime;

    /**
     * Clears all pagination data and search criteria.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;

            doColumn("scriptResult");
        }

        public void columnScriptType() {
            doColumn("scriptType");
        }

        public void columnStartTime() {
            doColumn("startTime");
        }

        public void columnTarget() {
            doColumn("target");
        }
    }

            result.setScriptResult(DfTypeUtil.toString(source.get("scriptResult")));
            result.setScriptType(DfTypeUtil.toString(source.get("scriptType")));
            result.setStartTime(DfTypeUtil.toLong(source.get("startTime")));
            result.setTarget(DfTypeUtil.toString(source.get("target")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {