Package org.elasticsearch.common.geo

Examples of org.elasticsearch.common.geo.GeoDistance

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        GeoPointParser geoPointParser = new GeoPointParser(aggregationName, InternalGeoDistance.TYPE, context, ORIGIN_FIELD);

        List<RangeAggregator.Range> ranges = null;
        DistanceUnit unit = DistanceUnit.DEFAULT;
        GeoDistance distanceType = GeoDistance.DEFAULT;
        boolean keyed = false;

        XContentParser.Token token;
        String currentFieldName = null;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
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    @Override
    public SortField parse(XContentParser parser, SearchContext context) throws Exception {
        String fieldName = null;
        List<GeoPoint> geoPoints = new ArrayList<>();
        DistanceUnit unit = DistanceUnit.DEFAULT;
        GeoDistance geoDistance = GeoDistance.DEFAULT;
        boolean reverse = false;
        MultiValueMode sortMode = null;
        String nestedPath = null;
        Filter nestedFilter = null;

        boolean normalizeLon = true;
        boolean normalizeLat = true;

        XContentParser.Token token;
        String currentName = parser.currentName();
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
            if (token == XContentParser.Token.FIELD_NAME) {
                currentName = parser.currentName();
            } else if (token == XContentParser.Token.START_ARRAY) {
                parseGeoPoints(parser, geoPoints);

                fieldName = currentName;
            } else if (token == XContentParser.Token.START_OBJECT) {
                // the json in the format of -> field : { lat : 30, lon : 12 }
                if ("nested_filter".equals(currentName) || "nestedFilter".equals(currentName)) {
                    ParsedFilter parsedFilter = context.queryParserService().parseInnerFilter(parser);
                    nestedFilter = parsedFilter == null ? null : parsedFilter.filter();
                } else {
                    fieldName = currentName;
                    GeoPoint point = new GeoPoint();
                    GeoUtils.parseGeoPoint(parser, point);
                    geoPoints.add(point);
                }
            } else if (token.isValue()) {
                if ("reverse".equals(currentName)) {
                    reverse = parser.booleanValue();
                } else if ("order".equals(currentName)) {
                    reverse = "desc".equals(parser.text());
                } else if (currentName.equals("unit")) {
                    unit = DistanceUnit.fromString(parser.text());
                } else if (currentName.equals("distance_type") || currentName.equals("distanceType")) {
                    geoDistance = GeoDistance.fromString(parser.text());
                } else if ("normalize".equals(currentName)) {
                    normalizeLat = parser.booleanValue();
                    normalizeLon = parser.booleanValue();
                } else if ("sort_mode".equals(currentName) || "sortMode".equals(currentName) || "mode".equals(currentName)) {
                    sortMode = MultiValueMode.fromString(parser.text());
                } else if ("nested_path".equals(currentName) || "nestedPath".equals(currentName)) {
                    nestedPath = parser.text();
                } else {
                    GeoPoint point = new GeoPoint();
                    point.resetFromString(parser.text());
                    geoPoints.add(point);
                    fieldName = currentName;
                }
            }
        }

        if (normalizeLat || normalizeLon) {
            for (GeoPoint point : geoPoints) {
                GeoUtils.normalizePoint(point, normalizeLat, normalizeLon);
            }
        }

        if (sortMode == null) {
            sortMode = reverse ? MultiValueMode.MAX : MultiValueMode.MIN;
        }

        if (sortMode == MultiValueMode.SUM) {
            throw new ElasticsearchIllegalArgumentException("sort_mode [sum] isn't supported for sorting by geo distance");
        }

        FieldMapper<?> mapper = context.smartNameFieldMapper(fieldName);
        if (mapper == null) {
            throw new ElasticsearchIllegalArgumentException("failed to find mapper for [" + fieldName + "] for geo distance based sort");
        }
        final MultiValueMode finalSortMode = sortMode; // final reference for use in the anonymous class
        final IndexGeoPointFieldData geoIndexFieldData = context.fieldData().getForField(mapper);
        final FixedSourceDistance[] distances = new FixedSourceDistance[geoPoints.size()];
        for (int i = 0; i< geoPoints.size(); i++) {
            distances[i] = geoDistance.fixedSourceDistance(geoPoints.get(i).lat(), geoPoints.get(i).lon(), unit);
        }
        ObjectMapper objectMapper;
        if (nestedPath != null) {
            ObjectMappers objectMappers = context.mapperService().objectMapper(nestedPath);
            if (objectMappers == null) {
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        Object vFrom = null;
        Object vTo = null;
        boolean includeLower = true;
        boolean includeUpper = true;
        DistanceUnit unit = DistanceUnit.DEFAULT;
        GeoDistance geoDistance = GeoDistance.DEFAULT;
        String optimizeBbox = "memory";
        boolean normalizeLon = true;
        boolean normalizeLat = true;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
            if (token == XContentParser.Token.FIELD_NAME) {
                currentFieldName = parser.currentName();
            } else if (token == XContentParser.Token.START_ARRAY) {
                GeoUtils.parseGeoPoint(parser, point);
                fieldName = currentFieldName;
            } else if (token == XContentParser.Token.START_OBJECT) {
                // the json in the format of -> field : { lat : 30, lon : 12 }
                fieldName = currentFieldName;
                GeoUtils.parseGeoPoint(parser, point);
            } else if (token.isValue()) {
                if (currentFieldName.equals("from")) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vFrom = parser.text(); // a String
                    } else {
                        vFrom = parser.numberValue(); // a Number
                    }
                } else if (currentFieldName.equals("to")) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vTo = parser.text(); // a String
                    } else {
                        vTo = parser.numberValue(); // a Number
                    }
                } else if ("include_lower".equals(currentFieldName) || "includeLower".equals(currentFieldName)) {
                    includeLower = parser.booleanValue();
                } else if ("include_upper".equals(currentFieldName) || "includeUpper".equals(currentFieldName)) {
                    includeUpper = parser.booleanValue();
                } else if ("gt".equals(currentFieldName)) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vFrom = parser.text(); // a String
                    } else {
                        vFrom = parser.numberValue(); // a Number
                    }
                    includeLower = false;
                } else if ("gte".equals(currentFieldName) || "ge".equals(currentFieldName)) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vFrom = parser.text(); // a String
                    } else {
                        vFrom = parser.numberValue(); // a Number
                    }
                    includeLower = true;
                } else if ("lt".equals(currentFieldName)) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vTo = parser.text(); // a String
                    } else {
                        vTo = parser.numberValue(); // a Number
                    }
                    includeUpper = false;
                } else if ("lte".equals(currentFieldName) || "le".equals(currentFieldName)) {
                    if (token == XContentParser.Token.VALUE_NULL) {
                    } else if (token == XContentParser.Token.VALUE_STRING) {
                        vTo = parser.text(); // a String
                    } else {
                        vTo = parser.numberValue(); // a Number
                    }
                    includeUpper = true;
                } else if (currentFieldName.equals("unit")) {
                    unit = DistanceUnit.fromString(parser.text());
                } else if (currentFieldName.equals("distance_type") || currentFieldName.equals("distanceType")) {
                    geoDistance = GeoDistance.fromString(parser.text());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LAT_SUFFIX)) {
                    point.resetLat(parser.doubleValue());
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.LAT_SUFFIX.length());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LON_SUFFIX)) {
                    point.resetLon(parser.doubleValue());
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.LON_SUFFIX.length());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.GEOHASH_SUFFIX)) {
                    GeoHashUtils.decode(parser.text(), point);
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.GEOHASH_SUFFIX.length());
                } else if ("_name".equals(currentFieldName)) {
                    filterName = parser.text();
                } else if ("_cache".equals(currentFieldName)) {
                    cache = parser.booleanValue();
                } else if ("_cache_key".equals(currentFieldName) || "_cacheKey".equals(currentFieldName)) {
                    cacheKey = new CacheKeyFilter.Key(parser.text());
                } else if ("optimize_bbox".equals(currentFieldName) || "optimizeBbox".equals(currentFieldName)) {
                    optimizeBbox = parser.textOrNull();
                } else if ("normalize".equals(currentFieldName)) {
                    normalizeLat = parser.booleanValue();
                    normalizeLon = parser.booleanValue();
                } else {
                    point.resetFromString(parser.text());
                    fieldName = currentFieldName;
                }
            }
        }

        Double from = null;
        Double to = null;
        if (vFrom != null) {
            if (vFrom instanceof Number) {
                from = unit.toMeters(((Number) vFrom).doubleValue());
            } else {
                from = DistanceUnit.parse((String) vFrom, unit, DistanceUnit.DEFAULT);
            }
            from = geoDistance.normalize(from, DistanceUnit.DEFAULT);
        }
        if (vTo != null) {
            if (vTo instanceof Number) {
                to = unit.toMeters(((Number) vTo).doubleValue());
            } else {
                to = DistanceUnit.parse((String) vTo, unit, DistanceUnit.DEFAULT);
            }
            to = geoDistance.normalize(to, DistanceUnit.DEFAULT);
        }

        if (normalizeLat || normalizeLon) {
            GeoUtils.normalizePoint(point, normalizeLat, normalizeLon);
        }
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        GeoPoint point = new GeoPoint();
        String fieldName = null;
        double distance = 0;
        Object vDistance = null;
        DistanceUnit unit = DistanceUnit.DEFAULT;
        GeoDistance geoDistance = GeoDistance.DEFAULT;
        String optimizeBbox = "memory";
        boolean normalizeLon = true;
        boolean normalizeLat = true;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
            if (token == XContentParser.Token.FIELD_NAME) {
                currentFieldName = parser.currentName();
            } else if (token == XContentParser.Token.START_ARRAY) {
                fieldName = currentFieldName;
                GeoUtils.parseGeoPoint(parser, point);
            } else if (token == XContentParser.Token.START_OBJECT) {
                // the json in the format of -> field : { lat : 30, lon : 12 }
                String currentName = parser.currentName();
                fieldName = currentFieldName;
                while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
                    if (token == XContentParser.Token.FIELD_NAME) {
                        currentName = parser.currentName();
                    } else if (token.isValue()) {
                        if (currentName.equals(GeoPointFieldMapper.Names.LAT)) {
                            point.resetLat(parser.doubleValue());
                        } else if (currentName.equals(GeoPointFieldMapper.Names.LON)) {
                            point.resetLon(parser.doubleValue());
                        } else if (currentName.equals(GeoPointFieldMapper.Names.GEOHASH)) {
                            GeoHashUtils.decode(parser.text(), point);
                        } else {
                            throw new QueryParsingException(parseContext.index(), "[geo_distance] filter does not support [" + currentFieldName + "]");
                        }
                    }
                }
            } else if (token.isValue()) {
                if (currentFieldName.equals("distance")) {
                    if (token == XContentParser.Token.VALUE_STRING) {
                        vDistance = parser.text(); // a String
                    } else {
                        vDistance = parser.numberValue(); // a Number
                    }
                } else if (currentFieldName.equals("unit")) {
                    unit = DistanceUnit.fromString(parser.text());
                } else if (currentFieldName.equals("distance_type") || currentFieldName.equals("distanceType")) {
                    geoDistance = GeoDistance.fromString(parser.text());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LAT_SUFFIX)) {
                    point.resetLat(parser.doubleValue());
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.LAT_SUFFIX.length());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LON_SUFFIX)) {
                    point.resetLon(parser.doubleValue());
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.LON_SUFFIX.length());
                } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.GEOHASH_SUFFIX)) {
                    GeoHashUtils.decode(parser.text(), point);
                    fieldName = currentFieldName.substring(0, currentFieldName.length() - GeoPointFieldMapper.Names.GEOHASH_SUFFIX.length());
                } else if ("_name".equals(currentFieldName)) {
                    filterName = parser.text();
                } else if ("_cache".equals(currentFieldName)) {
                    cache = parser.booleanValue();
                } else if ("_cache_key".equals(currentFieldName) || "_cacheKey".equals(currentFieldName)) {
                    cacheKey = new CacheKeyFilter.Key(parser.text());
                } else if ("optimize_bbox".equals(currentFieldName) || "optimizeBbox".equals(currentFieldName)) {
                    optimizeBbox = parser.textOrNull();
                } else if ("normalize".equals(currentFieldName)) {
                    normalizeLat = parser.booleanValue();
                    normalizeLon = parser.booleanValue();
                } else {
                    point.resetFromString(parser.text());
                    fieldName = currentFieldName;
                }
            }
        }

        if (vDistance == null) {
            throw new QueryParsingException(parseContext.index(), "geo_distance requires 'distance' to be specified");
        } else if (vDistance instanceof Number) {
            distance = DistanceUnit.DEFAULT.convert(((Number) vDistance).doubleValue(), unit);
        } else {
            distance = DistanceUnit.parse((String) vDistance, unit, DistanceUnit.DEFAULT);
        }
        distance = geoDistance.normalize(distance, DistanceUnit.DEFAULT);

        if (normalizeLat || normalizeLon) {
            GeoUtils.normalizePoint(point, normalizeLat, normalizeLon);
        }
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Related Classes of org.elasticsearch.common.geo.GeoDistance

  • org.elasticsearch.index.query.GeoDistanceFilterParser
  • org.elasticsearch.index.query.GeoDistanceRangeFilterParser
  • org.elasticsearch.search.aggregations.bucket.range.geodistance.GeoDistanceParser
  • org.elasticsearch.search.sort.GeoDistanceSortParser
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