Examples with RecentPointValueTimeModel com.serotonin.m2m2.web.mvc.rest.v1.model.pointValue.RecentPointValueTimeModel used on opensource projects

Example 1 with RecentPointValueTimeModel

use of com.serotonin.m2m2.web.mvc.rest.v1.model.pointValue.RecentPointValueTimeModel in project ma-modules-public by infiniteautomation.

the class PointValueRestController method getLatestPointValues.

/**
 * Get the latest point values for a point
 *
 * @param xid
 * @param limit
 * @return
 */
@ApiOperation(value = "Get Latest Point Values Directly from the Runtime Manager, this makes Cached and Intra-Interval data available.", notes = "Default limit 100, time descending order, Default to return cached data. For the most efficient use of this endpoint " + " the data point's default cache size should be the size that you will typically query the latest values of.")
@RequestMapping(method = RequestMethod.GET, value = "/{xid}/latest", produces = { "application/json", "text/csv" })
public ResponseEntity<List<RecentPointValueTimeModel>> getLatestPointValues(HttpServletRequest request, @ApiParam(value = "Point xid", required = true, allowMultiple = false) @PathVariable String xid, @ApiParam(value = "Return rendered value as String", required = false, defaultValue = "false", allowMultiple = false) @RequestParam(required = false, defaultValue = "false") boolean useRendered, @ApiParam(value = "Return converted value using displayed unit", required = false, defaultValue = "false", allowMultiple = false) @RequestParam(required = false, defaultValue = "false") boolean unitConversion, @ApiParam(value = "Limit results", allowMultiple = false, defaultValue = "100") @RequestParam(value = "limit", defaultValue = "100") int limit, @ApiParam(value = "Return cached data?", allowMultiple = false, defaultValue = "true") @RequestParam(value = "useCache", defaultValue = "true") boolean useCache) {
    RestProcessResult<List<RecentPointValueTimeModel>> result = new RestProcessResult<List<RecentPointValueTimeModel>>(HttpStatus.OK);
    User user = this.checkUser(request, result);
    if (result.isOk()) {
        DataPointVO vo = DataPointDao.instance.getByXid(xid);
        if (vo == null) {
            result.addRestMessage(getDoesNotExistMessage());
            return result.createResponseEntity();
        }
        try {
            if (Permissions.hasDataPointReadPermission(user, vo)) {
                // Check to see if we can convert (Must be a Numeric Value)
                if (unitConversion && (vo.getPointLocator().getDataTypeId() != DataTypes.NUMERIC)) {
                    result.addRestMessage(HttpStatus.NOT_ACCEPTABLE, new TranslatableMessage("common.default", "Can't convert non-numeric types."));
                    return result.createResponseEntity();
                }
                // If we are an image type we should build the URLS
                UriComponentsBuilder imageServletBuilder = UriComponentsBuilder.fromPath("/imageValue/hst{ts}_{id}.jpg");
                List<RecentPointValueTimeModel> models;
                if (useCache) {
                    // In an effort not to expand the PointValueCache we avoid the
                    // PointValueFacade
                    DataPointRT rt = Common.runtimeManager.getDataPoint(vo.getId());
                    if (rt != null) {
                        List<PointValueTime> cache = rt.getCacheCopy();
                        if (limit < cache.size()) {
                            List<PointValueTime> pvts = cache.subList(0, limit);
                            models = new ArrayList<>(limit);
                            for (PointValueTime pvt : pvts) models.add(createRecentPointValueTimeModel(vo, pvt, imageServletBuilder, useRendered, unitConversion, true));
                        } else {
                            // We need to merge 2 lists
                            List<PointValueTime> disk = Common.databaseProxy.newPointValueDao().getLatestPointValues(vo.getId(), limit);
                            Set<RecentPointValueTimeModel> all = new HashSet<RecentPointValueTimeModel>(limit);
                            for (PointValueTime pvt : cache) all.add(createRecentPointValueTimeModel(vo, pvt, imageServletBuilder, useRendered, unitConversion, true));
                            for (PointValueTime pvt : disk) {
                                if (all.size() >= limit)
                                    break;
                                else
                                    all.add(createRecentPointValueTimeModel(vo, pvt, imageServletBuilder, useRendered, unitConversion, false));
                            }
                            models = new ArrayList<>(all);
                            // Override the comparison method
                            Collections.sort(models, new Comparator<RecentPointValueTimeModel>() {

                                // Compare such that data sets are returned in time
                                // descending order
                                // which turns out is opposite of compare to method for
                                // PointValueTime objects
                                @Override
                                public int compare(RecentPointValueTimeModel o1, RecentPointValueTimeModel o2) {
                                    if (o1.getTimestamp() < o2.getTimestamp())
                                        return 1;
                                    if (o1.getTimestamp() > o2.getTimestamp())
                                        return -1;
                                    return 0;
                                }
                            });
                        }
                    } else {
                        List<PointValueTime> pvts = Common.databaseProxy.newPointValueDao().getLatestPointValues(vo.getId(), limit);
                        models = new ArrayList<>(limit);
                        for (PointValueTime pvt : pvts) models.add(createRecentPointValueTimeModel(vo, pvt, imageServletBuilder, useRendered, unitConversion, false));
                    }
                } else {
                    models = new ArrayList<>(limit);
                    List<PointValueTime> pvts = Common.databaseProxy.newPointValueDao().getLatestPointValues(vo.getId(), limit);
                    for (PointValueTime pvt : pvts) models.add(createRecentPointValueTimeModel(vo, pvt, imageServletBuilder, useRendered, unitConversion, false));
                }
                return result.createResponseEntity(models);
            } else {
                result.addRestMessage(getUnauthorizedMessage());
                return result.createResponseEntity();
            }
        } catch (PermissionException e) {
            LOG.error(e.getMessage(), e);
            result.addRestMessage(getUnauthorizedMessage());
            return result.createResponseEntity();
        }
    } else {
        return result.createResponseEntity();
    }
}

Example 2 with RecentPointValueTimeModel

use of com.serotonin.m2m2.web.mvc.rest.v1.model.pointValue.RecentPointValueTimeModel in project ma-modules-public by infiniteautomation.

the class PointValueRestController method createRecentPointValueTimeModel.

/**
 * @param vo
 * @param pvt
 * @param useRendered
 * @param unitConversion
 * @param b
 * @return
 */
private RecentPointValueTimeModel createRecentPointValueTimeModel(DataPointVO vo, PointValueTime pvt, UriComponentsBuilder imageServletBuilder, boolean useRendered, boolean unitConversion, boolean cached) {
    RecentPointValueTimeModel model;
    if (useRendered) {
        // Render the values as Strings with the suffix and or units
        model = new RecentPointValueTimeModel(pvt, cached);
        model.setType(DataTypeEnum.convertTo(pvt.getValue().getDataType()));
        model.setValue(Functions.getRenderedText(vo, pvt));
        model.setTimestamp(pvt.getTime());
        if (pvt.isAnnotated())
            model.setAnnotation(((AnnotatedPointValueTime) pvt).getAnnotation(Common.getTranslations()));
    } else if (unitConversion) {
        // Convert the numeric value using the unit and rendered unit
        model = new RecentPointValueTimeModel(pvt, cached);
        model.setType(DataTypeEnum.convertTo(pvt.getValue().getDataType()));
        model.setValue(vo.getUnit().getConverterTo(vo.getRenderedUnit()).convert(pvt.getValue().getDoubleValue()));
        model.setTimestamp(pvt.getTime());
        if (pvt.isAnnotated())
            model.setAnnotation(((AnnotatedPointValueTime) pvt).getAnnotation(Common.getTranslations()));
    } else {
        model = new RecentPointValueTimeModel(pvt, cached);
    }
    if (vo.getPointLocator().getDataTypeId() == DataTypes.IMAGE)
        model.setValue(imageServletBuilder.buildAndExpand(model.getTimestamp(), vo.getId()).toUri());
    return model;
}