Examples with Mapping com.thinkaurelius.titan.core.schema.Mapping used on opensource projects

Example 6 with Mapping

use of com.thinkaurelius.titan.core.schema.Mapping in project 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;
}

Example 7 with Mapping

use of com.thinkaurelius.titan.core.schema.Mapping in project atlas by apache.

the class Solr5Index method supports.

@Override
public boolean supports(KeyInformation information, TitanPredicate titanPredicate) {
    Class<?> dataType = information.getDataType();
    Mapping mapping = getMapping(information);
    if (mapping != DEFAULT && !AttributeUtil.isString(dataType))
        return false;
    if (Number.class.isAssignableFrom(dataType)) {
        return titanPredicate instanceof Cmp;
    } else if (dataType == Geoshape.class) {
        return titanPredicate == Geo.WITHIN;
    } else if (AttributeUtil.isString(dataType)) {
        switch(mapping) {
            case DEFAULT:
            case TEXT:
                return titanPredicate == Text.CONTAINS || titanPredicate == Text.CONTAINS_PREFIX || titanPredicate == Text.CONTAINS_REGEX;
            case STRING:
                return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL || titanPredicate == Text.REGEX || titanPredicate == Text.PREFIX;
        }
    } else if (dataType == Date.class) {
        if (titanPredicate instanceof Cmp)
            return true;
    } else if (dataType == Boolean.class) {
        return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL;
    } else if (dataType == UUID.class) {
        return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL;
    }
    return false;
}

Example 8 with Mapping

use of com.thinkaurelius.titan.core.schema.Mapping in project atlas by apache.

the class Solr5Index method mapKey2Field.

@Override
public String mapKey2Field(String key, KeyInformation keyInfo) {
    Preconditions.checkArgument(!StringUtils.containsAny(key, new char[] { ' ' }), "Invalid key name provided: %s", key);
    if (!dynFields)
        return key;
    if (ParameterType.MAPPED_NAME.hasParameter(keyInfo.getParameters()))
        return key;
    String postfix;
    Class datatype = keyInfo.getDataType();
    if (AttributeUtil.isString(datatype)) {
        Mapping map = getStringMapping(keyInfo);
        switch(map) {
            case TEXT:
                postfix = "_t";
                break;
            case STRING:
                postfix = "_s";
                break;
            default:
                throw new IllegalArgumentException("Unsupported string mapping: " + map);
        }
    } else if (AttributeUtil.isWholeNumber(datatype)) {
        if (datatype.equals(Long.class))
            postfix = "_l";
        else
            postfix = "_i";
    } else if (AttributeUtil.isDecimal(datatype)) {
        if (datatype.equals(Float.class))
            postfix = "_f";
        else
            postfix = "_d";
    } else if (datatype.equals(Geoshape.class)) {
        postfix = "_g";
    } else if (datatype.equals(Date.class)) {
        postfix = "_dt";
    } else if (datatype.equals(Boolean.class)) {
        postfix = "_b";
    } else if (datatype.equals(UUID.class)) {
        postfix = "_uuid";
    } else
        throw new IllegalArgumentException("Unsupported data type [" + datatype + "] for field: " + key);
    return key + postfix;
}

Example 9 with Mapping

use of com.thinkaurelius.titan.core.schema.Mapping in project atlas by apache.

the class Solr5Index method supports.

@Override
public boolean supports(KeyInformation information) {
    Class<?> dataType = information.getDataType();
    Mapping mapping = getMapping(information);
    if (Number.class.isAssignableFrom(dataType) || dataType == Geoshape.class || dataType == Date.class || dataType == Boolean.class || dataType == UUID.class) {
        if (mapping == DEFAULT)
            return true;
    } else if (AttributeUtil.isString(dataType)) {
        if (mapping == DEFAULT || mapping == TEXT || mapping == STRING)
            return true;
    }
    return false;
}

Example 10 with Mapping

use of com.thinkaurelius.titan.core.schema.Mapping in project incubator-atlas by apache.

the class Solr5Index method supports.

@Override
public boolean supports(KeyInformation information, TitanPredicate titanPredicate) {
    Class<?> dataType = information.getDataType();
    Mapping mapping = getMapping(information);
    if (mapping != DEFAULT && !AttributeUtil.isString(dataType))
        return false;
    if (Number.class.isAssignableFrom(dataType)) {
        return titanPredicate instanceof Cmp;
    } else if (dataType == Geoshape.class) {
        return titanPredicate == Geo.WITHIN;
    } else if (AttributeUtil.isString(dataType)) {
        switch(mapping) {
            case DEFAULT:
            case TEXT:
                return titanPredicate == Text.CONTAINS || titanPredicate == Text.CONTAINS_PREFIX || titanPredicate == Text.CONTAINS_REGEX;
            case STRING:
                return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL || titanPredicate == Text.REGEX || titanPredicate == Text.PREFIX;
        }
    } else if (dataType == Date.class) {
        if (titanPredicate instanceof Cmp)
            return true;
    } else if (dataType == Boolean.class) {
        return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL;
    } else if (dataType == UUID.class) {
        return titanPredicate == EQUAL || titanPredicate == NOT_EQUAL;
    }
    return false;
}