Examples with DataGridSearchOperatorEnum com.emc.metalnx.core.domain.entity.enums.DataGridSearchOperatorEnum used on opensource projects

Example 1 with DataGridSearchOperatorEnum

use of com.emc.metalnx.core.domain.entity.enums.DataGridSearchOperatorEnum in project metalnx-web by irods-contrib.

the class MetadataController method searchByMetadata.

@RequestMapping(value = "/search/", method = RequestMethod.POST)
@ResponseBody
public String searchByMetadata(@RequestParam(required = false) final String jsonMetadataSearch, @RequestParam("draw") final int draw, @RequestParam("start") final int start, @RequestParam("length") final int length) throws DataGridConnectionRefusedException {
    ObjectMapper mapper = new ObjectMapper();
    Map<String, Object> jsonResponse = new HashMap<String, Object>();
    jsonResponse.put("draw", String.valueOf(draw));
    jsonResponse.put("recordsTotal", String.valueOf(0));
    jsonResponse.put("recordsFiltered", String.valueOf(0));
    jsonResponse.put("data", new ArrayList<String>());
    String jsonString = "";
    try {
        if (jsonMetadataSearch != null) {
            currPage = (int) (Math.floor(start / length) + 1);
            this.jsonMetadataSearch = jsonMetadataSearch;
        }
        // Creating parser
        JsonNode jsonObject = mapper.readTree(this.jsonMetadataSearch);
        currSearch = new ArrayList<>();
        JsonNode attributes = jsonObject.get("attribute");
        JsonNode operators = jsonObject.get("operator");
        JsonNode values = jsonObject.get("value");
        JsonNode units = jsonObject.get("unit");
        for (int i = 0; i < attributes.size(); i++) {
            String attr = attributes.get(i).textValue();
            String val = values.get(i).textValue();
            String unit = units.get(i).textValue();
            String opt = operators.get(i).textValue();
            DataGridSearchOperatorEnum op = DataGridSearchOperatorEnum.valueOf(opt);
            DataGridMetadataSearch ms = new DataGridMetadataSearch(attr, val, unit, op);
            currSearch.add(ms);
        }
        DataGridPageContext pageContext = new DataGridPageContext();
        List<DataGridCollectionAndDataObject> dgCollDataObjs = metadataService.findByMetadata(currSearch, pageContext, currPage, length);
        jsonResponse.put("recordsTotal", String.valueOf(pageContext.getTotalNumberOfItems()));
        jsonResponse.put("recordsFiltered", String.valueOf(pageContext.getTotalNumberOfItems()));
        jsonResponse.put("data", dgCollDataObjs);
    } catch (DataGridConnectionRefusedException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not search by metadata: ", e.getMessage());
    }
    try {
        jsonString = mapper.writeValueAsString(jsonResponse);
    } catch (JsonProcessingException e) {
        logger.error("Could not parse hashmap in metadata search to json: {}", e.getMessage());
    }
    return jsonString;
}