Examples with TemporalConstraintsProtos org.locationtech.geowave.service.grpc.protobuf.TemporalConstraintsProtos used on opensource projects

Example 1 with TemporalConstraintsProtos

use of org.locationtech.geowave.service.grpc.protobuf.TemporalConstraintsProtos in project geowave by locationtech.

the class GeoWaveGrpcVectorService method spatialTemporalQuery.

@Override
public void spatialTemporalQuery(final SpatialTemporalQueryParametersProtos request, final StreamObserver<FeatureProtos> responseObserver) {
    final String storeName = request.getSpatialParams().getBaseParams().getStoreName();
    final StoreLoader storeLoader = new StoreLoader(storeName);
    // first check to make sure the data store exists
    if (!storeLoader.loadFromConfig(GeoWaveGrpcServiceOptions.geowaveConfigFile)) {
        throw new ParameterException("Cannot find store name: " + storeLoader.getStoreName());
    }
    final DataStore dataStore = storeLoader.createDataStore();
    VectorQueryBuilder bldr = VectorQueryBuilder.newBuilder();
    String typeName = request.getSpatialParams().getBaseParams().getTypeName();
    String indexName = request.getSpatialParams().getBaseParams().getIndexName();
    if (typeName.equalsIgnoreCase("")) {
        typeName = null;
    } else {
        bldr = bldr.addTypeName(typeName);
    }
    if (indexName.equalsIgnoreCase("")) {
        indexName = null;
    } else {
        bldr = bldr.indexName(indexName);
    }
    final int constraintCount = request.getTemporalConstraintsCount();
    SpatialTemporalConstraintsBuilder stBldr = bldr.constraintsFactory().spatialTemporalConstraints();
    for (int i = 0; i < constraintCount; i++) {
        final TemporalConstraintsProtos t = request.getTemporalConstraints(i);
        stBldr.addTimeRange(Interval.of(Instant.ofEpochMilli(Timestamps.toMillis(t.getStartTime())), Instant.ofEpochMilli(Timestamps.toMillis(t.getEndTime()))));
    }
    Geometry queryGeom = null;
    try {
        queryGeom = new WKBReader(JTSFactoryFinder.getGeometryFactory()).read(request.getSpatialParams().getGeometry().toByteArray());
        stBldr = stBldr.spatialConstraints(queryGeom);
        stBldr = stBldr.spatialConstraintsCompareOperation(CompareOperation.valueOf(request.getCompareOperation()));
    } catch (final FactoryRegistryException | org.locationtech.jts.io.ParseException e) {
        LOGGER.error("Exception encountered creating query geometry", e);
    }
    try (final CloseableIterator<SimpleFeature> iterator = dataStore.query(bldr.constraints(stBldr.build()).build())) {
        while (iterator.hasNext()) {
            final SimpleFeature simpleFeature = iterator.next();
            final SimpleFeatureType type = simpleFeature.getType();
            final FeatureProtos.Builder b = FeatureProtos.newBuilder();
            final FeatureAttributeProtos.Builder attBuilder = FeatureAttributeProtos.newBuilder();
            for (int i = 0; i < type.getAttributeDescriptors().size(); i++) {
                setAttributeBuilderValue(simpleFeature.getAttribute(i), attBuilder);
                b.putAttributes(type.getAttributeDescriptors().get(i).getLocalName(), attBuilder.build());
            }
            final FeatureProtos f = b.build();
            responseObserver.onNext(f);
        }
        responseObserver.onCompleted();
    }
}

Example 2 with TemporalConstraintsProtos

use of org.locationtech.geowave.service.grpc.protobuf.TemporalConstraintsProtos in project geowave by locationtech.

the class GeoWaveGrpcTestClient method spatialTemporalQuery.

public ArrayList<FeatureProtos> spatialTemporalQuery() throws ParseException {
    LOGGER.info("Performing Spatial Temporal Query...");
    final VectorStoreParametersProtos baseParams = VectorStoreParametersProtos.newBuilder().setStoreName(GeoWaveGrpcTestUtils.storeName).build();
    final TimeZone tz = TimeZone.getTimeZone("UTC");
    // Quoted "Z" to indicate
    final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm'Z'");
    // UTC,
    // no timezone offset
    df.setTimeZone(tz);
    final SpatialQueryParametersProtos spatialQuery = SpatialQueryParametersProtos.newBuilder().setBaseParams(baseParams).setGeometry(copyFrom(GeoWaveGrpcTestUtils.wkbSpatialQuery)).build();
    final TemporalConstraintsProtos t = TemporalConstraintsProtos.newBuilder().setStartTime(Timestamps.fromMillis(df.parse(GeoWaveGrpcTestUtils.temporalQueryStartTime).getTime())).setEndTime(Timestamps.fromMillis(df.parse(GeoWaveGrpcTestUtils.temporalQueryEndTime).getTime())).build();
    final SpatialTemporalQueryParametersProtos request = SpatialTemporalQueryParametersProtos.newBuilder().setSpatialParams(spatialQuery).addTemporalConstraints(0, t).setCompareOperation("CONTAINS").build();
    Iterator<FeatureProtos> features;
    final ArrayList<FeatureProtos> feature_list = new ArrayList<>();
    features = vectorBlockingStub.spatialTemporalQuery(request);
    // iterate over features
    while (features.hasNext()) {
        final FeatureProtos feature = features.next();
        feature_list.add(feature);
    }
    return feature_list;
}