Examples with ExpandItem org.n52.shetland.filter.ExpandItem used on opensource projects

Example 1 with ExpandItem

use of org.n52.shetland.filter.ExpandItem in project sensorweb-server-sta by 52North.

the class ObservedPropertyService method fetchExpandEntities.

@Override
protected ObservablePropertyEntity fetchExpandEntities(PhenomenonEntity entity, ExpandFilter expandOption) throws STACRUDException, STAInvalidQueryException {
    for (ExpandItem expandItem : expandOption.getItems()) {
        String expandProperty = expandItem.getPath();
        if (ObservedPropertyEntityDefinition.NAVIGATION_PROPERTIES.contains(expandProperty)) {
            Page<DatastreamEntity> obsP = getDatastreamService().getEntityCollectionByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.OBSERVED_PROPERTIES, expandItem.getQueryOptions());
            ObservablePropertyEntity obsProp = new ObservablePropertyEntity(entity);
            return obsProp.setDatastreams(obsP.get().collect(Collectors.toSet()));
        } else {
            throw new STAInvalidQueryException("Invalid expandOption supplied. Cannot find " + expandProperty + " on Entity of type 'ObservableProperty'");
        }
    }
    return new ObservablePropertyEntity(entity);
}

Example 2 with ExpandItem

use of org.n52.shetland.filter.ExpandItem in project sensorweb-server-sta by 52North.

the class SensorService method fetchExpandEntities.

@Override
protected SensorEntity fetchExpandEntities(ProcedureEntity entity, ExpandFilter expandOption) throws STACRUDException, STAInvalidQueryException {
    for (ExpandItem expandItem : expandOption.getItems()) {
        String expandProperty = expandItem.getPath();
        if (SensorEntityDefinition.NAVIGATION_PROPERTIES.contains(expandProperty)) {
            Page<DatastreamEntity> observedProps = getDatastreamService().getEntityCollectionByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.SENSORS, expandItem.getQueryOptions());
            SensorEntity sensor = new SensorEntity(entity);
            return sensor.setDatastreams(observedProps.get().collect(Collectors.toSet()));
        } else {
            throw new STAInvalidQueryException("Invalid expandOption supplied. Cannot find " + expandProperty + " on Entity of type 'Sensor'");
        }
    }
    return new SensorEntity(entity);
}

Example 3 with ExpandItem

use of org.n52.shetland.filter.ExpandItem in project sensorweb-server-sta by 52North.

the class HistoricalLocationService method fetchExpandEntities.

@Override
protected HistoricalLocationEntity fetchExpandEntities(HistoricalLocationEntity entity, ExpandFilter expandOption) throws STACRUDException, STAInvalidQueryException {
    for (ExpandItem expandItem : expandOption.getItems()) {
        String expandProperty = expandItem.getPath();
        if (HistoricalLocationEntityDefinition.NAVIGATION_PROPERTIES.contains(expandProperty)) {
            switch(expandProperty) {
                case STAEntityDefinition.LOCATIONS:
                    Page<LocationEntity> locations = getLocationService().getEntityCollectionByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.HISTORICAL_LOCATIONS, expandItem.getQueryOptions());
                    entity.setLocations(locations.get().collect(Collectors.toSet()));
                    break;
                case STAEntityDefinition.THING:
                    PlatformEntity things = getThingService().getEntityByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.HISTORICAL_LOCATIONS, null, expandItem.getQueryOptions());
                    entity.setThing(things);
                    break;
                default:
                    throw new RuntimeException("This can never happen!");
            }
        } else {
            throw new STAInvalidQueryException("Invalid expandOption supplied. Cannot find " + expandProperty + " on Entity of type 'HistoricalLocation'");
        }
    }
    return entity;
}

Example 4 with ExpandItem

use of org.n52.shetland.filter.ExpandItem in project sensorweb-server-sta by 52North.

the class DatastreamService method fetchExpandEntities.

@Override
protected DatastreamEntity fetchExpandEntities(DatastreamEntity entity, ExpandFilter expandOption) throws STACRUDException, STAInvalidQueryException {
    for (ExpandItem expandItem : expandOption.getItems()) {
        String expandProperty = expandItem.getPath();
        if (DatastreamEntityDefinition.NAVIGATION_PROPERTIES.contains(expandProperty)) {
            switch(expandProperty) {
                case STAEntityDefinition.SENSOR:
                    ProcedureEntity sensor = getSensorService().getEntityByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.DATASTREAMS, null, expandItem.getQueryOptions());
                    entity.setProcedure(sensor);
                    break;
                case STAEntityDefinition.THING:
                    PlatformEntity thing = getThingService().getEntityByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.DATASTREAMS, null, expandItem.getQueryOptions());
                    entity.setThing(thing);
                    break;
                case STAEntityDefinition.OBSERVED_PROPERTY:
                    PhenomenonEntity obsProp = getObservedPropertyService().getEntityByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.DATASTREAMS, null, expandItem.getQueryOptions());
                    entity.setObservableProperty(obsProp);
                    break;
                case STAEntityDefinition.OBSERVATIONS:
                    Page<ObservationEntity<?>> observations = getObservationService().getEntityCollectionByRelatedEntityRaw(entity.getStaIdentifier(), STAEntityDefinition.DATASTREAMS, expandItem.getQueryOptions());
                    entity.setObservations(observations.get().collect(Collectors.toSet()));
                    break;
                default:
                    logger.error("Trying to expand unrelated Entity!");
                    throw new RuntimeException("This can never happen!");
            }
        } else {
            throw new STAInvalidQueryException("Invalid expandOption supplied. Cannot find " + expandProperty + " on Entity of type 'Datastream'");
        }
    }
    return entity;
}

Example 5 with ExpandItem

use of org.n52.shetland.filter.ExpandItem in project arctic-sea by 52North.

the class STAQueryOptionVisitor method handleSlashRewrite.

// Rewrite slash to normal expand systemQueryOption
private ExpandItem handleSlashRewrite(STAQueryOptionsGrammar.ExpandItemContext ctx, QueryOptions baseref) {
    QueryOptions base = baseref;
    if (!ctx.memberExpr().SLASH().isEmpty()) {
        for (int i = ctx.memberExpr().ALPHAPLUS().size() - 1; i >= 1; i--) {
            ExpandItem expandItem = new ExpandItem(ctx.memberExpr().ALPHAPLUS(i).getText(), base);
            ExpandFilter expandFilter = new ExpandFilter(expandItem);
            base = new QueryOptions("", Collections.singleton(expandFilter));
        }
    }
    return new ExpandItem(ctx.memberExpr().ALPHAPLUS(0).getText(), base);
}