Examples with PredicateCondition org.janusgraph.graphdb.query.condition.PredicateCondition used on opensource projects

Example 1 with PredicateCondition

use of org.janusgraph.graphdb.query.condition.PredicateCondition in project janusgraph by JanusGraph.

the class QueryUtil method extractOrCondition.

public static Map.Entry<RelationType, Collection> extractOrCondition(Or<JanusGraphRelation> condition) {
    RelationType masterType = null;
    final List<Object> values = new ArrayList<>();
    for (final Condition c : condition.getChildren()) {
        if (!(c instanceof PredicateCondition))
            return null;
        final PredicateCondition<RelationType, JanusGraphRelation> atom = (PredicateCondition) c;
        if (atom.getPredicate() != Cmp.EQUAL)
            return null;
        final Object value = atom.getValue();
        if (value == null)
            return null;
        final RelationType type = atom.getKey();
        if (masterType == null)
            masterType = type;
        else if (!masterType.equals(type))
            return null;
        values.add(value);
    }
    if (masterType == null)
        return null;
    assert !values.isEmpty();
    return new AbstractMap.SimpleImmutableEntry(masterType, values);
}

Example 2 with PredicateCondition

use of org.janusgraph.graphdb.query.condition.PredicateCondition in project janusgraph by JanusGraph.

the class LuceneIndex method convertQuery.

private SearchParams convertQuery(Condition<?> condition, final KeyInformation.StoreRetriever information, final LuceneCustomAnalyzer delegatingAnalyzer) {
    final SearchParams params = new SearchParams();
    if (condition instanceof PredicateCondition) {
        final PredicateCondition<String, ?> atom = (PredicateCondition) condition;
        Object value = atom.getValue();
        final String key = atom.getKey();
        KeyInformation ki = information.get(key);
        final JanusGraphPredicate janusgraphPredicate = atom.getPredicate();
        if (value == null && janusgraphPredicate == Cmp.NOT_EQUAL) {
            // some fields like Integer omit norms but have docValues
            params.addQuery(new DocValuesFieldExistsQuery(key), BooleanClause.Occur.SHOULD);
            // some fields like Text have no docValue but have norms
            params.addQuery(new NormsFieldExistsQuery(key), BooleanClause.Occur.SHOULD);
        } else if (value instanceof Number) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Cmp, "Relation not supported on numeric types: %s", janusgraphPredicate);
            params.addQuery(numericQuery(key, (Cmp) janusgraphPredicate, (Number) value));
        } else if (value instanceof String) {
            if (janusgraphPredicate == Cmp.LESS_THAN) {
                params.addQuery(TermRangeQuery.newStringRange(key, null, value.toString(), false, false));
            } else if (janusgraphPredicate == Cmp.LESS_THAN_EQUAL) {
                params.addQuery(TermRangeQuery.newStringRange(key, null, value.toString(), false, true));
            } else if (janusgraphPredicate == Cmp.GREATER_THAN) {
                params.addQuery(TermRangeQuery.newStringRange(key, value.toString(), null, false, false));
            } else if (janusgraphPredicate == Cmp.GREATER_THAN_EQUAL) {
                params.addQuery(TermRangeQuery.newStringRange(key, value.toString(), null, true, false));
            } else {
                final Mapping map = Mapping.getMapping(ki);
                final String stringFieldKey;
                if (Mapping.getMapping(ki) == Mapping.TEXTSTRING) {
                    stringFieldKey = getDualFieldName(key, ki).orElse(key);
                } else {
                    stringFieldKey = key;
                }
                if ((map == Mapping.DEFAULT || map == Mapping.TEXT) && !Text.HAS_CONTAINS.contains(janusgraphPredicate))
                    throw new IllegalArgumentException("Text mapped string values only support CONTAINS queries and not: " + janusgraphPredicate);
                if (map == Mapping.STRING && Text.HAS_CONTAINS.contains(janusgraphPredicate))
                    throw new IllegalArgumentException("String mapped string values do not support CONTAINS queries: " + janusgraphPredicate);
                if (janusgraphPredicate == Text.CONTAINS) {
                    tokenize(params, map, delegatingAnalyzer, ((String) value).toLowerCase(), key, janusgraphPredicate);
                } else if (janusgraphPredicate == Text.CONTAINS_PREFIX) {
                    tokenize(params, map, delegatingAnalyzer, (String) value, key, janusgraphPredicate);
                } else if (janusgraphPredicate == Text.PREFIX) {
                    params.addQuery(new PrefixQuery(new Term(stringFieldKey, (String) value)));
                } else if (janusgraphPredicate == Text.REGEX) {
                    final RegexpQuery rq = new RegexpQuery(new Term(stringFieldKey, (String) value));
                    params.addQuery(rq);
                } else if (janusgraphPredicate == Text.CONTAINS_REGEX) {
                    // This is terrible -- there is probably a better way
                    // putting this to lowercase because Text search is supposed to be case insensitive
                    final RegexpQuery rq = new RegexpQuery(new Term(key, ".*" + (((String) value).toLowerCase()) + ".*"));
                    params.addQuery(rq);
                } else if (janusgraphPredicate == Cmp.EQUAL || janusgraphPredicate == Cmp.NOT_EQUAL) {
                    tokenize(params, map, delegatingAnalyzer, (String) value, stringFieldKey, janusgraphPredicate);
                } else if (janusgraphPredicate == Text.FUZZY) {
                    params.addQuery(new FuzzyQuery(new Term(stringFieldKey, (String) value), Text.getMaxEditDistance((String) value)));
                } else if (janusgraphPredicate == Text.CONTAINS_FUZZY) {
                    value = ((String) value).toLowerCase();
                    final Builder b = new BooleanQuery.Builder();
                    for (final String term : Text.tokenize((String) value)) {
                        b.add(new FuzzyQuery(new Term(key, term), Text.getMaxEditDistance(term)), BooleanClause.Occur.MUST);
                    }
                    params.addQuery(b.build());
                } else
                    throw new IllegalArgumentException("Relation is not supported for string value: " + janusgraphPredicate);
            }
        } else if (value instanceof Geoshape) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Geo, "Relation not supported on geo types: %s", janusgraphPredicate);
            final Shape shape = ((Geoshape) value).getShape();
            final SpatialOperation spatialOp = SPATIAL_PREDICATES.get(janusgraphPredicate);
            final SpatialArgs args = new SpatialArgs(spatialOp, shape);
            params.addQuery(getSpatialStrategy(key, information.get(key)).makeQuery(args));
        } else if (value instanceof Date) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Cmp, "Relation not supported on date types: %s", janusgraphPredicate);
            params.addQuery(numericQuery(key, (Cmp) janusgraphPredicate, ((Date) value).getTime()));
        } else if (value instanceof Instant) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Cmp, "Relation not supported on instant types: %s", janusgraphPredicate);
            params.addQuery(numericQuery(key, (Cmp) janusgraphPredicate, ((Instant) value).toEpochMilli()));
        } else if (value instanceof Boolean) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Cmp, "Relation not supported on boolean types: %s", janusgraphPredicate);
            final int intValue;
            switch((Cmp) janusgraphPredicate) {
                case EQUAL:
                    intValue = ((Boolean) value) ? 1 : 0;
                    params.addQuery(IntPoint.newRangeQuery(key, intValue, intValue));
                    break;
                case NOT_EQUAL:
                    intValue = ((Boolean) value) ? 0 : 1;
                    params.addQuery(IntPoint.newRangeQuery(key, intValue, intValue));
                    break;
                default:
                    throw new IllegalArgumentException("Boolean types only support EQUAL or NOT_EQUAL");
            }
        } else if (value instanceof UUID) {
            Preconditions.checkArgument(janusgraphPredicate instanceof Cmp, "Relation not supported on UUID types: %s", janusgraphPredicate);
            if (janusgraphPredicate == Cmp.EQUAL) {
                params.addQuery(new TermQuery(new Term(key, value.toString())));
            } else if (janusgraphPredicate == Cmp.NOT_EQUAL) {
                final BooleanQuery.Builder q = new BooleanQuery.Builder();
                q.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
                q.add(new TermQuery(new Term(key, value.toString())), BooleanClause.Occur.MUST_NOT);
                params.addQuery(q.build());
            } else {
                throw new IllegalArgumentException("Relation is not supported for UUID type: " + janusgraphPredicate);
            }
        } else {
            throw new IllegalArgumentException("Unsupported type: " + value);
        }
    } else if (condition instanceof Not) {
        final SearchParams childParams = convertQuery(((Not) condition).getChild(), information, delegatingAnalyzer);
        params.addQuery(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
        params.addParams(childParams, BooleanClause.Occur.MUST_NOT);
    } else if (condition instanceof And) {
        for (final Condition c : condition.getChildren()) {
            final SearchParams childParams = convertQuery(c, information, delegatingAnalyzer);
            params.addParams(childParams, BooleanClause.Occur.MUST);
        }
    } else if (condition instanceof Or) {
        for (final Condition c : condition.getChildren()) {
            final SearchParams childParams = convertQuery(c, information, delegatingAnalyzer);
            params.addParams(childParams, BooleanClause.Occur.SHOULD);
        }
    } else
        throw new IllegalArgumentException("Invalid condition: " + condition);
    return params;
}

Example 3 with PredicateCondition

use of org.janusgraph.graphdb.query.condition.PredicateCondition in project janusgraph by JanusGraph.

the class ElasticSearchIndex method getFilter.

public Map<String, Object> getFilter(Condition<?> condition, KeyInformation.StoreRetriever information) {
    if (condition instanceof PredicateCondition) {
        final PredicateCondition<String, ?> atom = (PredicateCondition) condition;
        Object value = atom.getValue();
        final String key = atom.getKey();
        final JanusGraphPredicate predicate = atom.getPredicate();
        if (value == null && predicate == Cmp.NOT_EQUAL) {
            return compat.exists(key);
        } else if (value instanceof Number) {
            Preconditions.checkArgument(predicate instanceof Cmp, "Relation not supported on numeric types: %s", predicate);
            return getRelationFromCmp((Cmp) predicate, key, value);
        } else if (value instanceof String) {
            final Mapping mapping = getStringMapping(information.get(key));
            final String fieldName;
            if (mapping == Mapping.TEXT && !(Text.HAS_CONTAINS.contains(predicate) || predicate instanceof Cmp))
                throw new IllegalArgumentException("Text mapped string values only support CONTAINS and Compare queries and not: " + predicate);
            if (mapping == Mapping.STRING && Text.HAS_CONTAINS.contains(predicate))
                throw new IllegalArgumentException("String mapped string values do not support CONTAINS queries: " + predicate);
            if (mapping == Mapping.TEXTSTRING && !(Text.HAS_CONTAINS.contains(predicate) || (predicate instanceof Cmp && predicate != Cmp.EQUAL))) {
                fieldName = getDualMappingName(key);
            } else {
                fieldName = key;
            }
            if (predicate == Text.CONTAINS || predicate == Cmp.EQUAL) {
                return compat.match(fieldName, value);
            } else if (predicate == Text.NOT_CONTAINS) {
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.match(fieldName, value))));
            } else if (predicate == Text.CONTAINS_PHRASE) {
                return compat.matchPhrase(fieldName, value);
            } else if (predicate == Text.NOT_CONTAINS_PHRASE) {
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.matchPhrase(fieldName, value))));
            } else if (predicate == Text.CONTAINS_PREFIX) {
                if (!ParameterType.TEXT_ANALYZER.hasParameter(information.get(key).getParameters()))
                    value = ((String) value).toLowerCase();
                return compat.prefix(fieldName, value);
            } else if (predicate == Text.NOT_CONTAINS_PREFIX) {
                if (!ParameterType.TEXT_ANALYZER.hasParameter(information.get(key).getParameters()))
                    value = ((String) value).toLowerCase();
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.prefix(fieldName, value))));
            } else if (predicate == Text.CONTAINS_REGEX) {
                if (!ParameterType.TEXT_ANALYZER.hasParameter(information.get(key).getParameters()))
                    value = ((String) value).toLowerCase();
                return compat.regexp(fieldName, value);
            } else if (predicate == Text.NOT_CONTAINS_REGEX) {
                if (!ParameterType.TEXT_ANALYZER.hasParameter(information.get(key).getParameters()))
                    value = ((String) value).toLowerCase();
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.regexp(fieldName, value))));
            } else if (predicate == Text.PREFIX) {
                return compat.prefix(fieldName, value);
            } else if (predicate == Text.NOT_PREFIX) {
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.prefix(fieldName, value))));
            } else if (predicate == Text.REGEX) {
                return compat.regexp(fieldName, value);
            } else if (predicate == Text.NOT_REGEX) {
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.regexp(fieldName, value))));
            } else if (predicate == Cmp.NOT_EQUAL) {
                return compat.boolMustNot(compat.match(fieldName, value));
            } else if (predicate == Text.FUZZY || predicate == Text.CONTAINS_FUZZY) {
                return compat.fuzzyMatch(fieldName, value);
            } else if (predicate == Text.NOT_FUZZY || predicate == Text.NOT_CONTAINS_FUZZY) {
                return compat.boolMust(ImmutableList.of(compat.exists(fieldName), compat.boolMustNot(compat.fuzzyMatch(fieldName, value))));
            } else if (predicate == Cmp.LESS_THAN) {
                return compat.lt(fieldName, value);
            } else if (predicate == Cmp.LESS_THAN_EQUAL) {
                return compat.lte(fieldName, value);
            } else if (predicate == Cmp.GREATER_THAN) {
                return compat.gt(fieldName, value);
            } else if (predicate == Cmp.GREATER_THAN_EQUAL) {
                return compat.gte(fieldName, value);
            } else
                throw new IllegalArgumentException("Predicate is not supported for string value: " + predicate);
        } else if (value instanceof Geoshape && Mapping.getMapping(information.get(key)) == Mapping.DEFAULT) {
            // geopoint
            final Geoshape shape = (Geoshape) value;
            Preconditions.checkArgument(predicate instanceof Geo && predicate != Geo.CONTAINS, "Relation not supported on geopoint types: %s", predicate);
            final Map<String, Object> query;
            switch(shape.getType()) {
                case CIRCLE:
                    final Geoshape.Point center = shape.getPoint();
                    query = compat.geoDistance(key, center.getLatitude(), center.getLongitude(), shape.getRadius());
                    break;
                case BOX:
                    final Geoshape.Point southwest = shape.getPoint(0);
                    final Geoshape.Point northeast = shape.getPoint(1);
                    query = compat.geoBoundingBox(key, southwest.getLatitude(), southwest.getLongitude(), northeast.getLatitude(), northeast.getLongitude());
                    break;
                case POLYGON:
                    final List<List<Double>> points = IntStream.range(0, shape.size()).mapToObj(i -> ImmutableList.of(shape.getPoint(i).getLongitude(), shape.getPoint(i).getLatitude())).collect(Collectors.toList());
                    query = compat.geoPolygon(key, points);
                    break;
                default:
                    throw new IllegalArgumentException("Unsupported or invalid search shape type for geopoint: " + shape.getType());
            }
            return predicate == Geo.DISJOINT ? compat.boolMustNot(query) : query;
        } else if (value instanceof Geoshape) {
            Preconditions.checkArgument(predicate instanceof Geo, "Relation not supported on geoshape types: %s", predicate);
            final Geoshape shape = (Geoshape) value;
            final Map<String, Object> geo;
            switch(shape.getType()) {
                case CIRCLE:
                    final Geoshape.Point center = shape.getPoint();
                    geo = ImmutableMap.of(ES_TYPE_KEY, "circle", ES_GEO_COORDS_KEY, ImmutableList.of(center.getLongitude(), center.getLatitude()), "radius", shape.getRadius() + "km");
                    break;
                case BOX:
                    final Geoshape.Point southwest = shape.getPoint(0);
                    final Geoshape.Point northeast = shape.getPoint(1);
                    geo = ImmutableMap.of(ES_TYPE_KEY, "envelope", ES_GEO_COORDS_KEY, ImmutableList.of(ImmutableList.of(southwest.getLongitude(), northeast.getLatitude()), ImmutableList.of(northeast.getLongitude(), southwest.getLatitude())));
                    break;
                case LINE:
                    final List lineCoords = IntStream.range(0, shape.size()).mapToObj(i -> ImmutableList.of(shape.getPoint(i).getLongitude(), shape.getPoint(i).getLatitude())).collect(Collectors.toList());
                    geo = ImmutableMap.of(ES_TYPE_KEY, "linestring", ES_GEO_COORDS_KEY, lineCoords);
                    break;
                case POLYGON:
                    final List polyCoords = IntStream.range(0, shape.size()).mapToObj(i -> ImmutableList.of(shape.getPoint(i).getLongitude(), shape.getPoint(i).getLatitude())).collect(Collectors.toList());
                    geo = ImmutableMap.of(ES_TYPE_KEY, "polygon", ES_GEO_COORDS_KEY, ImmutableList.of(polyCoords));
                    break;
                case POINT:
                    geo = ImmutableMap.of(ES_TYPE_KEY, "point", ES_GEO_COORDS_KEY, ImmutableList.of(shape.getPoint().getLongitude(), shape.getPoint().getLatitude()));
                    break;
                default:
                    throw new IllegalArgumentException("Unsupported or invalid search shape type: " + shape.getType());
            }
            return compat.geoShape(key, geo, (Geo) predicate);
        } else if (value instanceof Date || value instanceof Instant) {
            Preconditions.checkArgument(predicate instanceof Cmp, "Relation not supported on date types: %s", predicate);
            if (value instanceof Instant) {
                value = Date.from((Instant) value);
            }
            return getRelationFromCmp((Cmp) predicate, key, value);
        } else if (value instanceof Boolean) {
            final Cmp numRel = (Cmp) predicate;
            switch(numRel) {
                case EQUAL:
                    return compat.term(key, value);
                case NOT_EQUAL:
                    return compat.boolMustNot(compat.term(key, value));
                default:
                    throw new IllegalArgumentException("Boolean types only support EQUAL or NOT_EQUAL");
            }
        } else if (value instanceof UUID) {
            if (predicate == Cmp.EQUAL) {
                return compat.term(key, value);
            } else if (predicate == Cmp.NOT_EQUAL) {
                return compat.boolMustNot(compat.term(key, value));
            } else {
                throw new IllegalArgumentException("Only equal or not equal is supported for UUIDs: " + predicate);
            }
        } else
            throw new IllegalArgumentException("Unsupported type: " + value);
    } else if (condition instanceof Not) {
        return compat.boolMustNot(getFilter(((Not) condition).getChild(), information));
    } else if (condition instanceof And) {
        final List queries = StreamSupport.stream(condition.getChildren().spliterator(), false).map(c -> getFilter(c, information)).collect(Collectors.toList());
        return compat.boolMust(queries);
    } else if (condition instanceof Or) {
        final List queries = StreamSupport.stream(condition.getChildren().spliterator(), false).map(c -> getFilter(c, information)).collect(Collectors.toList());
        return compat.boolShould(queries);
    } else
        throw new IllegalArgumentException("Invalid condition: " + condition);
}

Example 4 with PredicateCondition

use of org.janusgraph.graphdb.query.condition.PredicateCondition in project janusgraph by JanusGraph.

the class SolrIndex method buildQueryFilter.

public String buildQueryFilter(Condition<JanusGraphElement> condition, KeyInformation.StoreRetriever information) {
    if (condition instanceof PredicateCondition) {
        final PredicateCondition<String, JanusGraphElement> atom = (PredicateCondition<String, JanusGraphElement>) condition;
        final Object value = atom.getValue();
        final String key = atom.getKey();
        final JanusGraphPredicate predicate = atom.getPredicate();
        if (value == null && predicate == Cmp.NOT_EQUAL) {
            return key + ":*";
        } else if (value instanceof Number) {
            final String queryValue = escapeValue(value);
            Preconditions.checkArgument(predicate instanceof Cmp, "Relation not supported on numeric types: %s", predicate);
            final Cmp numRel = (Cmp) predicate;
            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) {
            final Mapping map = getStringMapping(information.get(key));
            assert map == Mapping.TEXT || map == Mapping.STRING;
            if (map == Mapping.TEXT && !(Text.HAS_CONTAINS.contains(predicate) || predicate instanceof Cmp))
                throw new IllegalArgumentException("Text mapped string values only support CONTAINS and Compare queries and not: " + predicate);
            if (map == Mapping.STRING && Text.HAS_CONTAINS.contains(predicate))
                throw new IllegalArgumentException("String mapped string values do not support CONTAINS queries: " + predicate);
            // Special case
            if (predicate == Text.CONTAINS) {
                return tokenize(information, value, key, predicate, ParameterType.TEXT_ANALYZER.findParameter(information.get(key).getParameters(), null));
            } else if (predicate == Text.PREFIX || predicate == Text.CONTAINS_PREFIX) {
                return (key + ":" + escapeValue(value) + "*");
            } else if (predicate == Text.REGEX || predicate == Text.CONTAINS_REGEX) {
                return (key + ":/" + value + "/");
            } else if (predicate == Cmp.EQUAL || predicate == Cmp.NOT_EQUAL) {
                final String tokenizer = ParameterType.STRING_ANALYZER.findParameter(information.get(key).getParameters(), null);
                if (tokenizer != null) {
                    return tokenize(information, value, key, predicate, tokenizer);
                } else if (predicate == Cmp.EQUAL) {
                    return (key + ":\"" + escapeValue(value) + "\"");
                } else {
                    // Cmp.NOT_EQUAL case
                    return ("-" + key + ":\"" + escapeValue(value) + "\"");
                }
            } else if (predicate == Text.FUZZY || predicate == Text.CONTAINS_FUZZY) {
                return (key + ":" + escapeValue(value) + "~" + Text.getMaxEditDistance(value.toString()));
            } else if (predicate == Cmp.LESS_THAN) {
                return (key + ":[* TO \"" + escapeValue(value) + "\"}");
            } else if (predicate == Cmp.LESS_THAN_EQUAL) {
                return (key + ":[* TO \"" + escapeValue(value) + "\"]");
            } else if (predicate == Cmp.GREATER_THAN) {
                return (key + ":{\"" + escapeValue(value) + "\" TO *]");
            } else if (predicate == Cmp.GREATER_THAN_EQUAL) {
                return (key + ":[\"" + escapeValue(value) + "\" TO *]");
            } else {
                throw new IllegalArgumentException("Relation is not supported for string value: " + predicate);
            }
        } else if (value instanceof Geoshape) {
            final Mapping map = Mapping.getMapping(information.get(key));
            Preconditions.checkArgument(predicate instanceof Geo && predicate != Geo.DISJOINT, "Relation not supported on geo types: %s", predicate);
            Preconditions.checkArgument(map == Mapping.PREFIX_TREE || predicate == Geo.WITHIN || predicate == Geo.INTERSECT, "Relation not supported on geopoint types: %s", predicate);
            final Geoshape geo = (Geoshape) value;
            if (geo.getType() == Geoshape.Type.CIRCLE && (predicate == Geo.INTERSECT || map == Mapping.DEFAULT)) {
                final 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 && (predicate == Geo.INTERSECT || map == Mapping.DEFAULT)) {
                final Geoshape.Point southwest = geo.getPoint(0);
                final Geoshape.Point northeast = geo.getPoint(1);
                return (key + ":[" + southwest.getLatitude() + "," + southwest.getLongitude() + " TO " + northeast.getLatitude() + "," + northeast.getLongitude() + "]");
            } else if (map == Mapping.PREFIX_TREE) {
                return key + ":\"" + SPATIAL_PREDICATES.get(predicate) + "(" + geo + ")\" distErrPct=0";
            } else {
                throw new IllegalArgumentException("Unsupported or invalid search shape type: " + geo.getType());
            }
        } else if (value instanceof Date || value instanceof Instant) {
            final String s = value.toString();
            final String queryValue = escapeValue(value instanceof Date ? toIsoDate((Date) value) : value.toString());
            Preconditions.checkArgument(predicate instanceof Cmp, "Relation not supported on date types: %s", predicate);
            final Cmp numRel = (Cmp) predicate;
            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) {
            final Cmp numRel = (Cmp) predicate;
            final 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 (predicate == Cmp.EQUAL) {
                return (key + ":\"" + escapeValue(value) + "\"");
            } else if (predicate == Cmp.NOT_EQUAL) {
                return ("-" + key + ":\"" + escapeValue(value) + "\"");
            } else {
                throw new IllegalArgumentException("Relation is not supported for uuid value: " + predicate);
            }
        } else
            throw new IllegalArgumentException("Unsupported type: " + value);
    } else if (condition instanceof Not) {
        final String sub = buildQueryFilter(((Not) condition).getChild(), information);
        if (StringUtils.isNotBlank(sub))
            return "-(" + sub + ")";
        else
            return "";
    } else if (condition instanceof And) {
        final int numChildren = ((And) condition).size();
        final StringBuilder sb = new StringBuilder();
        for (final Condition<JanusGraphElement> c : condition.getChildren()) {
            final String sub = buildQueryFilter(c, information);
            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) {
        final StringBuilder sb = new StringBuilder();
        int element = 0;
        for (final Condition<JanusGraphElement> c : condition.getChildren()) {
            final String sub = buildQueryFilter(c, information);
            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);
    }
}

Example 5 with PredicateCondition

use of org.janusgraph.graphdb.query.condition.PredicateCondition in project janusgraph by JanusGraph.

the class BasicVertexCentricQueryBuilder method compileConstraints.

/**
 * Converts the constraint conditions of this query into a constraintMap which is passed as an argument.
 * If all the constraint conditions could be accounted for in the constraintMap, this method returns true, else -
 * if some constraints cannot be captured in an interval - it returns false to indicate that further in-memory
 * filtering will be necessary.
 * </p>
 * This constraint map is used in constructing the SliceQueries and query optimization since this representation
 * is easier to handle.
 *
 * @param conditions
 * @param constraintMap
 * @return
 */
private boolean compileConstraints(And<JanusGraphRelation> conditions, Map<RelationType, Interval> constraintMap) {
    boolean isFitted = true;
    for (Condition<JanusGraphRelation> condition : conditions.getChildren()) {
        RelationType type = null;
        Interval newInterval = null;
        if (condition instanceof Or) {
            Map.Entry<RelationType, Collection> orEqual = QueryUtil.extractOrCondition((Or) condition);
            if (orEqual != null) {
                type = orEqual.getKey();
                newInterval = new PointInterval(orEqual.getValue());
            }
        } else if (condition instanceof PredicateCondition) {
            PredicateCondition<RelationType, JanusGraphRelation> atom = (PredicateCondition) condition;
            type = atom.getKey();
            Interval interval = constraintMap.get(type);
            newInterval = intersectConstraints(interval, type, atom.getPredicate(), atom.getValue());
        }
        if (newInterval != null) {
            constraintMap.put(type, newInterval);
        } else
            isFitted = false;
    }
    if (adjacentVertex != null) {
        if (adjacentVertex.hasId()) {
            constraintMap.put(ImplicitKey.ADJACENT_ID, new PointInterval(adjacentVertex.longId()));
        } else
            isFitted = false;
    }
    return isFitted;
}