Examples with Geoshape com.thinkaurelius.titan.core.attribute.Geoshape used on opensource projects

Example 6 with Geoshape

use of com.thinkaurelius.titan.core.attribute.Geoshape in project titan by thinkaurelius.

the class GeoToWktConverterTest method testConvertGeoshapePointToWktString.

/**
     * Titan Geoshapes are converted to a string that gets sent to its respective index. Unfortunately, the string format
     * is not compatible with Solr 4. The GeoToWktConverter transforms the Geoshape's string value into a Well-Known Text
     * format understood by Solr.
     */
@Test
public void testConvertGeoshapePointToWktString() throws BackendException {
    //no spaces, no negative values
    Geoshape p1 = Geoshape.point(35.4, 48.9);
    //negative longitude value
    Geoshape p2 = Geoshape.point(-35.4, 48.9);
    //negative latitude value
    Geoshape p3 = Geoshape.point(35.4, -48.9);
    String wkt1 = "POINT(48.9 35.4)";
    String actualWkt1 = GeoToWktConverter.convertToWktString(p1);
    String wkt2 = "POINT(48.9 -35.4)";
    String actualWkt2 = GeoToWktConverter.convertToWktString(p2);
    String wkt3 = "POINT(-48.9 35.4)";
    String actualWkt3 = GeoToWktConverter.convertToWktString(p3);
    assertEquals(wkt1, actualWkt1);
    assertEquals(wkt2, actualWkt2);
    assertEquals(wkt3, actualWkt3);
}

Example 7 with Geoshape

use of com.thinkaurelius.titan.core.attribute.Geoshape in project titan by thinkaurelius.

the class LuceneExample method indexDocs.

void indexDocs(IndexWriter writer, String docid, Map<String, Object> docMap) throws IOException {
    Document doc = new Document();
    Field docidField = new StringField("docid", docid, Field.Store.YES);
    doc.add(docidField);
    for (Map.Entry<String, Object> kv : docMap.entrySet()) {
        String key = kv.getKey();
        Object value = kv.getValue();
        if (value instanceof Number) {
            Field field = null;
            if (value instanceof Integer || value instanceof Long) {
                field = new LongField(key, ((Number) value).longValue(), Field.Store.NO);
            } else {
                //double or float
                field = new DoubleField(key, ((Number) value).doubleValue(), Field.Store.NO);
            }
            doc.add(field);
        } else if (value instanceof String) {
            String str = (String) value;
            Field field = new TextField(key + TXT_SUFFIX, str, Field.Store.NO);
            doc.add(field);
            if (str.length() < 256)
                field = new StringField(key + STR_SUFFIX, str, Field.Store.NO);
            doc.add(field);
        } else if (value instanceof Geoshape) {
            Shape shape = ((Geoshape) value).convert2Spatial4j();
            for (IndexableField f : getSpatialStrategy(key).createIndexableFields(shape)) {
                doc.add(f);
            }
        } else
            throw new IllegalArgumentException("Unsupported type: " + value);
    }
    writer.updateDocument(new Term("docid", docid), doc);
}

Example 8 with Geoshape

use of com.thinkaurelius.titan.core.attribute.Geoshape in project incubator-atlas by apache.

the class Solr5Index method buildQueryFilter.

public String buildQueryFilter(Condition<TitanElement> condition, KeyInformation.StoreRetriever informations) {
    if (condition instanceof PredicateCondition) {
        PredicateCondition<String, TitanElement> atom = (PredicateCondition<String, TitanElement>) condition;
        Object value = atom.getValue();
        String key = atom.getKey();
        TitanPredicate titanPredicate = atom.getPredicate();
        if (value instanceof Number) {
            String queryValue = escapeValue(value);
            Preconditions.checkArgument(titanPredicate instanceof Cmp, "Relation not supported on numeric types: " + titanPredicate);
            Cmp numRel = (Cmp) titanPredicate;
            switch(numRel) {
                case EQUAL:
                    return (key + ":" + queryValue);
                case NOT_EQUAL:
                    return ("-" + key + ":" + queryValue);
                case LESS_THAN:
                    //use right curly to mean up to but not including value
                    return (key + ":[* TO " + queryValue + "}");
                case LESS_THAN_EQUAL:
                    return (key + ":[* TO " + queryValue + "]");
                case GREATER_THAN:
                    //use left curly to mean greater than but not including value
                    return (key + ":{" + queryValue + " TO *]");
                case GREATER_THAN_EQUAL:
                    return (key + ":[" + queryValue + " TO *]");
                default:
                    throw new IllegalArgumentException("Unexpected relation: " + numRel);
            }
        } else if (value instanceof String) {
            Mapping map = getStringMapping(informations.get(key));
            assert map == TEXT || map == STRING;
            if (map == TEXT && !titanPredicate.toString().startsWith("CONTAINS"))
                throw new IllegalArgumentException("Text mapped string values only support CONTAINS queries and not: " + titanPredicate);
            if (map == STRING && titanPredicate.toString().startsWith("CONTAINS"))
                throw new IllegalArgumentException("String mapped string values do not support CONTAINS queries: " + titanPredicate);
            //Special case
            if (titanPredicate == Text.CONTAINS) {
                //e.g. - if terms tomorrow and world were supplied, and fq=text:(tomorrow  world)
                //sample data set would return 2 documents: one where text = Tomorrow is the World,
                //and the second where text = Hello World. Hence, we are decomposing the query string
                //and building an AND query explicitly because we need AND semantics
                value = ((String) value).toLowerCase();
                List<String> terms = Text.tokenize((String) value);
                if (terms.isEmpty()) {
                    return "";
                } else if (terms.size() == 1) {
                    return (key + ":(" + escapeValue(terms.get(0)) + ")");
                } else {
                    And<TitanElement> andTerms = new And<>();
                    for (String term : terms) {
                        andTerms.add(new PredicateCondition<>(key, titanPredicate, term));
                    }
                    return buildQueryFilter(andTerms, informations);
                }
            }
            if (titanPredicate == Text.PREFIX || titanPredicate == Text.CONTAINS_PREFIX) {
                return (key + ":" + escapeValue(value) + "*");
            } else if (titanPredicate == Text.REGEX || titanPredicate == Text.CONTAINS_REGEX) {
                return (key + ":/" + value + "/");
            } else if (titanPredicate == EQUAL) {
                return (key + ":\"" + escapeValue(value) + "\"");
            } else if (titanPredicate == NOT_EQUAL) {
                return ("-" + key + ":\"" + escapeValue(value) + "\"");
            } else {
                throw new IllegalArgumentException("Relation is not supported for string value: " + titanPredicate);
            }
        } else if (value instanceof Geoshape) {
            Geoshape geo = (Geoshape) value;
            if (geo.getType() == Geoshape.Type.CIRCLE) {
                Geoshape.Point center = geo.getPoint();
                return ("{!geofilt sfield=" + key + " pt=" + center.getLatitude() + "," + center.getLongitude() + " d=" + geo.getRadius() + //distance in kilometers
                "} distErrPct=0");
            } else if (geo.getType() == Geoshape.Type.BOX) {
                Geoshape.Point southwest = geo.getPoint(0);
                Geoshape.Point northeast = geo.getPoint(1);
                return (key + ":[" + southwest.getLatitude() + "," + southwest.getLongitude() + " TO " + northeast.getLatitude() + "," + northeast.getLongitude() + "]");
            } else if (geo.getType() == Geoshape.Type.POLYGON) {
                List<Geoshape.Point> coordinates = getPolygonPoints(geo);
                StringBuilder poly = new StringBuilder(key + ":\"IsWithin(POLYGON((");
                for (Geoshape.Point coordinate : coordinates) {
                    poly.append(coordinate.getLongitude()).append(" ").append(coordinate.getLatitude()).append(", ");
                }
                //close the polygon with the first coordinate
                poly.append(coordinates.get(0).getLongitude()).append(" ").append(coordinates.get(0).getLatitude());
                poly.append(")))\" distErrPct=0");
                return (poly.toString());
            }
        } else if (value instanceof Date) {
            String queryValue = escapeValue(toIsoDate((Date) value));
            Preconditions.checkArgument(titanPredicate instanceof Cmp, "Relation not supported on date types: " + titanPredicate);
            Cmp numRel = (Cmp) titanPredicate;
            switch(numRel) {
                case EQUAL:
                    return (key + ":" + queryValue);
                case NOT_EQUAL:
                    return ("-" + key + ":" + queryValue);
                case LESS_THAN:
                    //use right curly to mean up to but not including value
                    return (key + ":[* TO " + queryValue + "}");
                case LESS_THAN_EQUAL:
                    return (key + ":[* TO " + queryValue + "]");
                case GREATER_THAN:
                    //use left curly to mean greater than but not including value
                    return (key + ":{" + queryValue + " TO *]");
                case GREATER_THAN_EQUAL:
                    return (key + ":[" + queryValue + " TO *]");
                default:
                    throw new IllegalArgumentException("Unexpected relation: " + numRel);
            }
        } else if (value instanceof Boolean) {
            Cmp numRel = (Cmp) titanPredicate;
            String queryValue = escapeValue(value);
            switch(numRel) {
                case EQUAL:
                    return (key + ":" + queryValue);
                case NOT_EQUAL:
                    return ("-" + key + ":" + queryValue);
                default:
                    throw new IllegalArgumentException("Boolean types only support EQUAL or NOT_EQUAL");
            }
        } else if (value instanceof UUID) {
            if (titanPredicate == EQUAL) {
                return (key + ":\"" + escapeValue(value) + "\"");
            } else if (titanPredicate == NOT_EQUAL) {
                return ("-" + key + ":\"" + escapeValue(value) + "\"");
            } else {
                throw new IllegalArgumentException("Relation is not supported for uuid value: " + titanPredicate);
            }
        } else
            throw new IllegalArgumentException("Unsupported type: " + value);
    } else if (condition instanceof Not) {
        String sub = buildQueryFilter(((Not) condition).getChild(), informations);
        if (StringUtils.isNotBlank(sub))
            return "-(" + sub + ")";
        else
            return "";
    } else if (condition instanceof And) {
        int numChildren = ((And) condition).size();
        StringBuilder sb = new StringBuilder();
        for (Condition<TitanElement> c : condition.getChildren()) {
            String sub = buildQueryFilter(c, informations);
            if (StringUtils.isBlank(sub))
                continue;
            // b. expression is a single statement in the AND.
            if (!sub.startsWith("-") && numChildren > 1)
                sb.append("+");
            sb.append(sub).append(" ");
        }
        return sb.toString();
    } else if (condition instanceof Or) {
        StringBuilder sb = new StringBuilder();
        int element = 0;
        for (Condition<TitanElement> c : condition.getChildren()) {
            String sub = buildQueryFilter(c, informations);
            if (StringUtils.isBlank(sub))
                continue;
            if (element == 0)
                sb.append("(");
            else
                sb.append(" OR ");
            sb.append(sub);
            element++;
        }
        if (element > 0)
            sb.append(")");
        return sb.toString();
    } else {
        throw new IllegalArgumentException("Invalid condition: " + condition);
    }
    return null;
}