Example usage for com.mongodb QueryBuilder start

Introduction

In this page you can find the example usage for com.mongodb QueryBuilder start.

Prototype

public static QueryBuilder start()

Source Link

Document

Returns a new QueryBuilder.

Usage

From source file:org.ossmeter.platform.client.api.SparkResource.java

License:Open Source License

public Representation doRepresent() {
    // Check cache
    String sd = SparkCache.getSparkCache().getSparkData(getRequest().getResourceRef().toString());

    if (sd != null) {
        JsonNode obj;/*from   www . ja  v a 2  s.  c o m*/
        try {
            System.out.println("SD: " + sd);
            obj = mapper.readTree(sd);
            return Util.createJsonRepresentation(obj);
        } catch (Exception e) {
            e.printStackTrace(); // FIXME
            getResponse().setStatus(Status.SERVER_ERROR_INTERNAL);
            ObjectNode node = mapper.createObjectNode();
            node.put("status", "error");
            node.put("msg", "Error whilst retrieving sparkline.");
            return Util.createJsonRepresentation(node);
        }
    }

    // Miss. Hit database.
    String projectId = (String) getRequest().getAttributes().get("projectid");
    String metric = (String) getRequest().getAttributes().get("metricid");

    String[] metrics = metric.split("\\+");
    System.err.println("metrics to get: " + metrics);
    ArrayNode sparks = mapper.createArrayNode();
    for (String metricId : metrics) {

        String agg = getQueryValue("agg");
        String start = getQueryValue("startDate");
        String end = getQueryValue("endDate");

        QueryBuilder builder = QueryBuilder.start();
        if (agg != null && agg != "") {
            //         builder.... // TODO
        }
        try {
            if (start != null && start != "") {
                builder.and("__datetime").greaterThanEquals(new Date(start).toJavaDate());
            }
            if (end != null && end != "") {
                builder.and("__datetime").lessThanEquals(new Date(end).toJavaDate());
            }
        } catch (ParseException e) {
            getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
            ObjectNode node = mapper.createObjectNode();
            node.put("status", "error");
            node.put("msg", "Invalid date. Format must be YYYYMMDD.");
            node.put("request", generateRequestJson(projectId, metricId));
            return Util.createJsonRepresentation(node);
        }

        BasicDBObject query = (BasicDBObject) builder.get();

        ProjectRepository projectRepo = platform.getProjectRepositoryManager().getProjectRepository();
        Project project = projectRepo.getProjects().findOneByShortName(projectId);
        if (project == null) {
            getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
            return Util.createJsonRepresentation(
                    generateErrorMessage(mapper, "No project matched that requested.", projectId, metricId));

        }

        MetricVisualisationExtensionPointManager manager = MetricVisualisationExtensionPointManager
                .getInstance();
        Map<String, MetricVisualisation> registeredVisualisations = manager.getRegisteredVisualisations();
        System.out.println("registered visualisations: " + registeredVisualisations.keySet());
        MetricVisualisation vis = manager.findVisualisationById(metricId);

        if (vis == null) {
            getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
            return Util.createJsonRepresentation(generateErrorMessage(mapper,
                    "No visualiser found with specified ID.", projectId, metricId));
        }

        DB db = platform.getMetricsRepository(project).getDb();

        System.setProperty("java.awt.headless", "true");

        byte[] sparky;
        try {
            sparky = vis.getSparky(db, query);
            ObjectNode sparkData = vis.getSparkData();

            if (sparky != null) {
                String uuid = UUID.randomUUID().toString();
                SparkCache.getSparkCache().putSpark(uuid, sparky);
                sparkData.put("spark", "/spark/" + uuid);
            }
            sparkData.put("metricId", metricId);
            sparkData.put("projectId", projectId);

            // And add to the return list
            sparks.add(sparkData);
        } catch (ParseException e) {
            //            getResponse().setStatus(Status.SERVER_ERROR_INTERNAL);
            // TODO Log this as series - needs investigating by admin
            sparks.add(generateErrorMessage(mapper, "Error whilst generating sparkle. Unable to parse data.",
                    projectId, metricId));
        } catch (UnsparkableVisualisationException e) {
            //            getResponse().setStatus(Status.SERVER_ERROR_INTERNAL);
            sparks.add(generateErrorMessage(mapper,
                    "Visualisation not sparkable. Metrics must be time series in order to be sparkable.",
                    projectId, metricId));
        } catch (IOException e) {
            e.printStackTrace(); // FIXME
            //            getResponse().setStatus(Status.SERVER_ERROR_INTERNAL);
            sparks.add(generateErrorMessage(mapper, "Error whilst generating sparkle.", projectId, metricId));
        }
    }

    // Put in the cache

    if (sparks.size() == 1) {
        SparkCache.getSparkCache().putSparkData(getRequest().getResourceRef().toString(),
                (ObjectNode) sparks.get(0));
        return Util.createJsonRepresentation(sparks.get(0));
    } else {
        SparkCache.getSparkCache().putSparkData(getRequest().getResourceRef().toString(), sparks);
        return Util.createJsonRepresentation(sparks);
    }
}

From source file:org.pentaho.di.trans.dataservice.optimization.mongod.MongodbPredicate.java

License:Apache License

protected DBObject conditionAsDBObject() throws PushDownOptimizationException {
    return buildMongoCondition(condition, QueryBuilder.start()).get();
}

From source file:org.pentaho.di.trans.dataservice.optimization.mongod.MongodbPredicate.java

License:Apache License

private DBObject[] conditionListToDBObjectArray(List<Condition> conditions)
        throws PushDownOptimizationException {
    BasicDBList basicDbList = new BasicDBList();
    for (Condition condition : conditions) {
        QueryBuilder childContainer = QueryBuilder.start();
        buildMongoCondition(condition, childContainer);
        basicDbList.add(childContainer.get());
    }//from www  .  j  a v  a  2  s  .co  m
    return basicDbList.toArray(new DBObject[basicDbList.size()]);
}