Examples with RegionEntryData org.apache.geode.rest.internal.web.controllers.support.RegionEntryData used on opensource projects

Example 1 with RegionEntryData

use of org.apache.geode.rest.internal.web.controllers.support.RegionEntryData in project geode by apache.

the class PdxBasedCrudController method read.

/**
   * Reading data for set of keys
   * 
   * @param region gemfire region name
   * @param keys string containing comma seperated keys
   * @return JSON document
   */
@RequestMapping(method = RequestMethod.GET, value = "/{region}/{keys}", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
@ApiOperation(value = "read data for specific keys", notes = "Read data for specific set of keys in region.", response = void.class)
@ApiResponses({ @ApiResponse(code = 200, message = "OK."), @ApiResponse(code = 400, message = "Bad Request."), @ApiResponse(code = 401, message = "Invalid Username or Password."), @ApiResponse(code = 403, message = "Insufficient privileges for operation."), @ApiResponse(code = 404, message = "Region does not exist."), @ApiResponse(code = 500, message = "GemFire throws an error or exception.") })
@PreAuthorize("@securityService.authorize('READ', #region, #keys)")
public ResponseEntity<?> read(@PathVariable("region") String region, @PathVariable("keys") final String[] keys, @RequestParam(value = "ignoreMissingKey", required = false) final String ignoreMissingKey) {
    logger.debug("Reading data for keys ({}) in Region ({})", ArrayUtils.toString(keys), region);
    final HttpHeaders headers = new HttpHeaders();
    region = decode(region);
    if (keys.length == 1) {
        /* GET op on single key */
        Object value = getValue(region, keys[0]);
        // if region.get(K) return null (i.e INVLD or TOMBSTONE case) We consider 404, NOT Found case
        if (value == null) {
            throw new ResourceNotFoundException(String.format("Key (%1$s) does not exist for region (%2$s) in cache!", keys[0], region));
        }
        final RegionEntryData<Object> data = new RegionEntryData<>(region);
        headers.set("Content-Location", toUri(region, keys[0]).toASCIIString());
        data.add(value);
        return new ResponseEntity<RegionData<?>>(data, headers, HttpStatus.OK);
    } else {
        // fail fast for the case where ignoreMissingKey param is not specified correctly.
        if (ignoreMissingKey != null && !(ignoreMissingKey.equalsIgnoreCase("true") || ignoreMissingKey.equalsIgnoreCase("false"))) {
            String errorMessage = String.format("ignoreMissingKey param (%1$s) is not valid. valid usage is ignoreMissingKey=true!", ignoreMissingKey);
            return new ResponseEntity<>(convertErrorAsJson(errorMessage), HttpStatus.BAD_REQUEST);
        }
        if (!("true".equalsIgnoreCase(ignoreMissingKey))) {
            List<String> unknownKeys = checkForMultipleKeysExist(region, keys);
            if (unknownKeys.size() > 0) {
                String unknownKeysAsStr = StringUtils.collectionToDelimitedString(unknownKeys, ",");
                String erroString = String.format("Requested keys (%1$s) not exist in region (%2$s)", StringUtils.collectionToDelimitedString(unknownKeys, ","), region);
                return new ResponseEntity<>(convertErrorAsJson(erroString), headers, HttpStatus.BAD_REQUEST);
            }
        }
        final Map<Object, Object> valueObjs = getValues(region, keys);
        // Do we need to remove null values from Map..?
        // To Remove null value entries from map.
        // valueObjs.values().removeAll(Collections.singleton(null));
        // currently we are not removing keys having value null from the result.
        String keyList = StringUtils.collectionToDelimitedString(valueObjs.keySet(), ",");
        headers.set("Content-Location", toUri(region, keyList).toASCIIString());
        final RegionData<Object> data = new RegionData<>(region);
        data.add(valueObjs.values());
        return new ResponseEntity<RegionData<?>>(data, headers, HttpStatus.OK);
    }
}

Example 2 with RegionEntryData

use of org.apache.geode.rest.internal.web.controllers.support.RegionEntryData in project geode by apache.

the class PdxBasedCrudController method create.

/**
   * Creating entry into the region
   * 
   * @param region region name where data will be created
   * @param key gemfire region key
   * @param json JSON document that is stored against the key
   * @return JSON document
   */
@RequestMapping(method = RequestMethod.POST, value = "/{region}", consumes = MediaType.APPLICATION_JSON_VALUE, produces = { MediaType.APPLICATION_JSON_VALUE })
@ApiOperation(value = "create entry", notes = "Create (put-if-absent) data in region", response = void.class)
@ApiResponses({ @ApiResponse(code = 201, message = "Created."), @ApiResponse(code = 400, message = "Data specified (JSON doc) in the request body is invalid."), @ApiResponse(code = 401, message = "Invalid Username or Password."), @ApiResponse(code = 403, message = "Insufficient privileges for operation."), @ApiResponse(code = 404, message = "Region does not exist."), @ApiResponse(code = 409, message = "Key already exist in region."), @ApiResponse(code = 500, message = "GemFire throws an error or exception.") })
@PreAuthorize("@securityService.authorize('DATA', 'WRITE', #region)")
public ResponseEntity<?> create(@PathVariable("region") String region, @RequestParam(value = "key", required = false) String key, @RequestBody final String json) {
    key = generateKey(key);
    logger.debug("Posting (creating/putIfAbsent) JSON document ({}) to Region ({}) with Key ({})...", json, region, key);
    region = decode(region);
    Object existingPdxObj = null;
    // Check whether the user has supplied single JSON doc or Array of JSON docs
    final JSONTypes jsonType = validateJsonAndFindType(json);
    if (JSONTypes.JSON_ARRAY.equals(jsonType)) {
        existingPdxObj = postValue(region, key, convertJsonArrayIntoPdxCollection(json));
    } else {
        existingPdxObj = postValue(region, key, convert(json));
    }
    final HttpHeaders headers = new HttpHeaders();
    headers.setLocation(toUri(region, key));
    if (existingPdxObj != null) {
        final RegionEntryData<Object> data = new RegionEntryData<>(region);
        data.add(existingPdxObj);
        headers.setContentType(MediaType.APPLICATION_JSON);
        return new ResponseEntity<RegionEntryData<?>>(data, headers, HttpStatus.CONFLICT);
    } else {
        return new ResponseEntity<String>(headers, HttpStatus.CREATED);
    }
}