builder.field(DEPTH, depth);
        }
        if (lastModified != null) {
            builder.field(LAST_MODIFIED, lastModified);
        }
        if (createTime != null) {
            builder.field(CREATE_TIME, createTime);
        }
        builder.field(WEIGHT, weight);
        builder.endObject();
        return builder;
    }

            builder.field(METHOD, method);
        }
        if (mimeType != null) {
            builder.field(MIME_TYPE, mimeType);
        }
        if (createTime != null) {
            builder.field(CREATE_TIME, createTime);
        }
        if (executionTime != null) {
            builder.field(EXECUTION_TIME, executionTime);
        }
        if (contentLength != null) {

    protected static final String LAST_MODIFIED = "lastModified";

    protected static final String CREATE_TIME = "createTime";

    protected static final String _DOC = "_doc";

    protected static final String[] timestampFields = { LAST_MODIFIED, CREATE_TIME };

    protected static final HashFunction murmur3Hash = Hashing.murmur3_128(0);

    @Resource

        "type": "integer"
      },
      "parentUrl": {
        "type": "keyword"
      },
      "method": {
        "type": "keyword"
      },
      "weight": {
        "type": "float"
      },
      "createTime": {
        "type": "long"
      },
      "lastModified": {
        "type": "long"
      },
      "sessionId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      }

      },
      "sessionId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      },
      "executionTime": {
        "type": "long"
      },
      "createTime": {
        "type": "long"
      },
      "accessResultData": {
        "properties": {
          "transformerName": {
            "type": "keyword"
          },
          "encoding": {

            final SearchRequestBuilder builder = c.prepareSearch(index);
            callback.accept(builder);
            builder.setFetchSource(new String[] { "parentUrl", "method", "mimeType", "sessionId", "url", "executionTime", "createTime",
                    "contentLength", "lastModified", "ruleId", "httpStatusCode", "status" }, null);
            return builder.execute();
        });

        return getList(OpenSearchUrlQueue.class, sessionId, null, 0, pollingFetchSize,
                SortBuilders.fieldSort(OpenSearchUrlQueue.WEIGHT).order(SortOrder.DESC),
                SortBuilders.fieldSort(CREATE_TIME).order(SortOrder.ASC));
    }

    @Override
    public void saveSession(final String sessionId) {
        // TODO use cache
    }

    @Override