public static Filter newFilter(
      QueryParseContext parseContext, String fieldPattern, String filterName) {
    final FieldMappers fieldNamesMappers =
        parseContext.mapperService().indexName(FieldNamesFieldMapper.NAME);
    final FieldNamesFieldMapper fieldNamesMapper =
        fieldNamesMappers == null ? null : (FieldNamesFieldMapper) fieldNamesMappers.mapper();

    MapperService.SmartNameObjectMapper smartNameObjectMapper =
        parseContext.smartObjectMapper(fieldPattern);
    if (smartNameObjectMapper != null && smartNameObjectMapper.hasMapper()) {
      // automatic make the object mapper pattern
      fieldPattern = fieldPattern + ".*";
    }

    List<String> fields = parseContext.simpleMatchToIndexNames(fieldPattern);
    if (fields.isEmpty()) {
      // no fields exists, so we should not match anything
      return Queries.MATCH_NO_FILTER;
    }
    MapperService.SmartNameFieldMappers nonNullFieldMappers = null;

    XBooleanFilter boolFilter = new XBooleanFilter();
    for (String field : fields) {
      MapperService.SmartNameFieldMappers smartNameFieldMappers =
          parseContext.smartFieldMappers(field);
      if (smartNameFieldMappers != null) {
        nonNullFieldMappers = smartNameFieldMappers;
      }
      Filter filter = null;
      if (fieldNamesMapper != null && fieldNamesMapper.enabled()) {
        final String f;
        if (smartNameFieldMappers != null && smartNameFieldMappers.hasMapper()) {
          f = smartNameFieldMappers.mapper().names().indexName();
        } else {
          f = field;
        }
        filter = fieldNamesMapper.termFilter(f, parseContext);
      }
      // if _field_names are not indexed, we need to go the slow way
      if (filter == null && smartNameFieldMappers != null && smartNameFieldMappers.hasMapper()) {
        filter = smartNameFieldMappers.mapper().rangeFilter(null, null, true, true, parseContext);
      }
      if (filter == null) {
        filter = new TermRangeFilter(field, null, null, true, true);
      }
      boolFilter.add(filter, BooleanClause.Occur.SHOULD);
    }

    // we always cache this one, really does not change... (exists)
    // its ok to cache under the fieldName cacheKey, since its per segment and the mapping applies
    // to this data on this segment...
    Filter filter =
        parseContext.cacheFilter(boolFilter, new CacheKeyFilter.Key("$exists$" + fieldPattern));

    filter = wrapSmartNameFilter(filter, nonNullFieldMappers, parseContext);
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }
    return filter;
  }
  @Override
  public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    Query query = null;
    boolean queryFound = false;
    Filter filter = null;
    boolean filterFound = false;
    float boost = 1.0f;
    boolean cache = false;
    CacheKeyFilter.Key cacheKey = null;

    String currentFieldName = null;
    XContentParser.Token token;
    FilteredQuery.FilterStrategy filterStrategy = XFilteredQuery.CUSTOM_FILTER_STRATEGY;

    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        if ("query".equals(currentFieldName)) {
          queryFound = true;
          query = parseContext.parseInnerQuery();
        } else if ("filter".equals(currentFieldName)) {
          filterFound = true;
          filter = parseContext.parseInnerFilter();
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[filtered] query does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("strategy".equals(currentFieldName)) {
          String value = parser.text();
          if ("query_first".equals(value) || "queryFirst".equals(value)) {
            filterStrategy = FilteredQuery.QUERY_FIRST_FILTER_STRATEGY;
          } else if ("random_access_random".equals(value) || "randomAccessAlways".equals(value)) {
            filterStrategy = XFilteredQuery.ALWAYS_RANDOM_ACCESS_FILTER_STRATEGY;
          } else if ("leap_frog".equals(value) || "leapFrog".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_QUERY_FIRST_STRATEGY;
          } else if (value.startsWith("random_access_")) {
            int threshold = Integer.parseInt(value.substring("random_access_".length()));
            filterStrategy = new XFilteredQuery.CustomRandomAccessFilterStrategy(threshold);
          } else if (value.startsWith("randomAccess")) {
            int threshold = Integer.parseInt(value.substring("randomAccess".length()));
            filterStrategy = new XFilteredQuery.CustomRandomAccessFilterStrategy(threshold);
          } else if ("leap_frog_query_first".equals(value) || "leapFrogQueryFirst".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_QUERY_FIRST_STRATEGY;
          } else if ("leap_frog_filter_first".equals(value)
              || "leapFrogFilterFirst".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_FILTER_FIRST_STRATEGY;
          } else {
            throw new QueryParsingException(
                parseContext.index(), "[filtered] strategy value not supported [" + value + "]");
          }
        } else if ("boost".equals(currentFieldName)) {
          boost = parser.floatValue();
        } else if ("_cache".equals(currentFieldName)) {
          cache = parser.booleanValue();
        } else if ("_cache_key".equals(currentFieldName) || "_cacheKey".equals(currentFieldName)) {
          cacheKey = new CacheKeyFilter.Key(parser.text());
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[filtered] query does not support [" + currentFieldName + "]");
        }
      }
    }
    if (!queryFound) {
      throw new QueryParsingException(parseContext.index(), "[filtered] requires 'query' element");
    }
    if (query == null) {
      return null;
    }
    if (filter == null) {
      if (!filterFound) {
        // we allow for null filter, so it makes compositions on the client side to be simpler
        return query;
      } else {
        // the filter was provided, but returned null, meaning we should discard it, this means no
        // matches for this query...
        return Queries.NO_MATCH_QUERY;
      }
    }
    if (filter == Queries.MATCH_ALL_FILTER) {
      // this is an instance of match all filter, just execute the query
      return query;
    }

    // cache if required
    if (cache) {
      filter = parseContext.cacheFilter(filter, cacheKey);
    }

    // if its a match_all query, use constant_score
    if (Queries.isConstantMatchAllQuery(query)) {
      Query q = new XConstantScoreQuery(filter);
      q.setBoost(boost);
      return q;
    }

    XFilteredQuery filteredQuery = new XFilteredQuery(query, filter, filterStrategy);
    filteredQuery.setBoost(boost);
    return filteredQuery;
  }
  @Override
  public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    ensureNotDeleteByQuery(NAME, parseContext);
    XContentParser parser = parseContext.parser();

    boolean queryFound = false;
    float boost = 1.0f;
    String childType = null;
    ScoreType scoreType = ScoreType.NONE;
    int minChildren = 0;
    int maxChildren = 0;
    int shortCircuitParentDocSet = 8192;
    String queryName = null;
    Tuple<String, SubSearchContext> innerHits = null;

    String currentFieldName = null;
    XContentParser.Token token;
    XContentStructure.InnerQuery iq = null;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        // Usually, the query would be parsed here, but the child
        // type may not have been extracted yet, so use the
        // XContentStructure.<type> facade to parse if available,
        // or delay parsing if not.
        if ("query".equals(currentFieldName)) {
          iq =
              new XContentStructure.InnerQuery(
                  parseContext, childType == null ? null : new String[] {childType});
          queryFound = true;
        } else if ("inner_hits".equals(currentFieldName)) {
          innerHits = innerHitsQueryParserHelper.parse(parseContext);
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_child] query does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("type".equals(currentFieldName)
            || "child_type".equals(currentFieldName)
            || "childType".equals(currentFieldName)) {
          childType = parser.text();
        } else if ("score_type".equals(currentFieldName) || "scoreType".equals(currentFieldName)) {
          scoreType = ScoreType.fromString(parser.text());
        } else if ("score_mode".equals(currentFieldName) || "scoreMode".equals(currentFieldName)) {
          scoreType = ScoreType.fromString(parser.text());
        } else if ("boost".equals(currentFieldName)) {
          boost = parser.floatValue();
        } else if ("min_children".equals(currentFieldName)
            || "minChildren".equals(currentFieldName)) {
          minChildren = parser.intValue(true);
        } else if ("max_children".equals(currentFieldName)
            || "maxChildren".equals(currentFieldName)) {
          maxChildren = parser.intValue(true);
        } else if ("short_circuit_cutoff".equals(currentFieldName)) {
          shortCircuitParentDocSet = parser.intValue();
        } else if ("_name".equals(currentFieldName)) {
          queryName = parser.text();
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_child] query does not support [" + currentFieldName + "]");
        }
      }
    }
    if (!queryFound) {
      throw new QueryParsingException(parseContext.index(), "[has_child] requires 'query' field");
    }
    if (childType == null) {
      throw new QueryParsingException(parseContext.index(), "[has_child] requires 'type' field");
    }

    Query innerQuery = iq.asQuery(childType);

    if (innerQuery == null) {
      return null;
    }
    innerQuery.setBoost(boost);

    DocumentMapper childDocMapper = parseContext.mapperService().documentMapper(childType);
    if (childDocMapper == null) {
      throw new QueryParsingException(
          parseContext.index(), "[has_child] No mapping for for type [" + childType + "]");
    }
    if (!childDocMapper.parentFieldMapper().active()) {
      throw new QueryParsingException(
          parseContext.index(),
          "[has_child]  Type [" + childType + "] does not have parent mapping");
    }

    if (innerHits != null) {
      InnerHitsContext.ParentChildInnerHits parentChildInnerHits =
          new InnerHitsContext.ParentChildInnerHits(
              innerHits.v2(), innerQuery, null, childDocMapper);
      String name = innerHits.v1() != null ? innerHits.v1() : childType;
      parseContext.addInnerHits(name, parentChildInnerHits);
    }

    ParentFieldMapper parentFieldMapper = childDocMapper.parentFieldMapper();
    if (!parentFieldMapper.active()) {
      throw new QueryParsingException(
          parseContext.index(), "[has_child] _parent field not configured");
    }

    String parentType = parentFieldMapper.type();
    DocumentMapper parentDocMapper = parseContext.mapperService().documentMapper(parentType);
    if (parentDocMapper == null) {
      throw new QueryParsingException(
          parseContext.index(),
          "[has_child]  Type ["
              + childType
              + "] points to a non existent parent type ["
              + parentType
              + "]");
    }

    if (maxChildren > 0 && maxChildren < minChildren) {
      throw new QueryParsingException(
          parseContext.index(), "[has_child] 'max_children' is less than 'min_children'");
    }

    BitDocIdSetFilter nonNestedDocsFilter = null;
    if (parentDocMapper.hasNestedObjects()) {
      nonNestedDocsFilter = parseContext.bitsetFilter(NonNestedDocsFilter.INSTANCE);
    }

    // wrap the query with type query
    innerQuery =
        new FilteredQuery(
            innerQuery,
            parseContext.cacheFilter(
                childDocMapper.typeFilter(), null, parseContext.autoFilterCachePolicy()));

    Query query;
    Filter parentFilter =
        parseContext.cacheFilter(
            parentDocMapper.typeFilter(), null, parseContext.autoFilterCachePolicy());
    ParentChildIndexFieldData parentChildIndexFieldData =
        parseContext.getForField(parentFieldMapper);
    if (minChildren > 1 || maxChildren > 0 || scoreType != ScoreType.NONE) {
      query =
          new ChildrenQuery(
              parentChildIndexFieldData,
              parentType,
              childType,
              parentFilter,
              innerQuery,
              scoreType,
              minChildren,
              maxChildren,
              shortCircuitParentDocSet,
              nonNestedDocsFilter);
    } else {
      query =
          new ChildrenConstantScoreQuery(
              parentChildIndexFieldData,
              innerQuery,
              parentType,
              childType,
              parentFilter,
              shortCircuitParentDocSet,
              nonNestedDocsFilter);
    }
    if (queryName != null) {
      parseContext.addNamedFilter(queryName, new CustomQueryWrappingFilter(query));
    }
    query.setBoost(boost);
    return query;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    String fieldName = null;
    String filterName = null;
    boolean nullValue = false;
    boolean existence = true;

    XContentParser.Token token;
    String currentFieldName = null;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token.isValue()) {
        if ("field".equals(currentFieldName)) {
          fieldName = parser.text();
        } else if ("null_value".equals(currentFieldName)) {
          nullValue = parser.booleanValue();
        } else if ("existence".equals(currentFieldName)) {
          existence = parser.booleanValue();
        } else if ("_name".equals(currentFieldName)) {
          filterName = parser.text();
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[missing] filter does not support [" + currentFieldName + "]");
        }
      }
    }

    if (fieldName == null) {
      throw new QueryParsingException(
          parseContext.index(), "missing must be provided with a [field]");
    }

    if (!existence && !nullValue) {
      throw new QueryParsingException(
          parseContext.index(),
          "missing must have either existence, or null_value, or both set to true");
    }

    Filter existenceFilter = null;
    Filter nullFilter = null;

    MapperService.SmartNameFieldMappers smartNameFieldMappers =
        parseContext.smartFieldMappers(fieldName);

    if (existence) {
      if (smartNameFieldMappers != null && smartNameFieldMappers.hasMapper()) {
        existenceFilter =
            smartNameFieldMappers.mapper().rangeFilter(null, null, true, true, parseContext);
      }
      if (existenceFilter == null) {
        existenceFilter = new TermRangeFilter(fieldName, null, null, true, true);
      }

      // we always cache this one, really does not change... (exists)
      existenceFilter = parseContext.cacheFilter(existenceFilter, null);
      existenceFilter = new NotFilter(existenceFilter);
      // cache the not filter as well, so it will be faster
      existenceFilter = parseContext.cacheFilter(existenceFilter, null);
    }

    if (nullValue) {
      if (smartNameFieldMappers != null && smartNameFieldMappers.hasMapper()) {
        nullFilter = smartNameFieldMappers.mapper().nullValueFilter();
        if (nullFilter != null) {
          // cache the not filter as well, so it will be faster
          nullFilter = parseContext.cacheFilter(nullFilter, null);
        }
      }
    }

    Filter filter;
    if (nullFilter != null) {
      if (existenceFilter != null) {
        XBooleanFilter combined = new XBooleanFilter();
        combined.addShould(existenceFilter);
        combined.addShould(nullFilter);
        // cache the not filter as well, so it will be faster
        filter = parseContext.cacheFilter(combined, null);
      } else {
        filter = nullFilter;
      }
    } else {
      filter = existenceFilter;
    }

    if (filter == null) {
      return null;
    }

    filter = wrapSmartNameFilter(filter, smartNameFieldMappers, parseContext);
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, existenceFilter);
    }
    return filter;
  }
  @Override
  public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    Query query = Queries.newMatchAllQuery();
    Filter filter = null;
    boolean filterFound = false;
    float boost = 1.0f;
    FilterCachingPolicy cache = parseContext.autoFilterCachePolicy();
    HashedBytesRef cacheKey = null;
    String queryName = null;

    String currentFieldName = null;
    XContentParser.Token token;
    FilteredQuery.FilterStrategy filterStrategy = CUSTOM_FILTER_STRATEGY;

    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        if ("query".equals(currentFieldName)) {
          query = parseContext.parseInnerQuery();
        } else if ("filter".equals(currentFieldName)) {
          filterFound = true;
          filter = parseContext.parseInnerFilter();
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[filtered] query does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("strategy".equals(currentFieldName)) {
          String value = parser.text();
          if ("query_first".equals(value) || "queryFirst".equals(value)) {
            filterStrategy = FilteredQuery.QUERY_FIRST_FILTER_STRATEGY;
          } else if ("random_access_always".equals(value) || "randomAccessAlways".equals(value)) {
            filterStrategy = ALWAYS_RANDOM_ACCESS_FILTER_STRATEGY;
          } else if ("leap_frog".equals(value) || "leapFrog".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_QUERY_FIRST_STRATEGY;
          } else if (value.startsWith("random_access_")) {
            int threshold = Integer.parseInt(value.substring("random_access_".length()));
            filterStrategy = new CustomRandomAccessFilterStrategy(threshold);
          } else if (value.startsWith("randomAccess")) {
            int threshold = Integer.parseInt(value.substring("randomAccess".length()));
            filterStrategy = new CustomRandomAccessFilterStrategy(threshold);
          } else if ("leap_frog_query_first".equals(value) || "leapFrogQueryFirst".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_QUERY_FIRST_STRATEGY;
          } else if ("leap_frog_filter_first".equals(value)
              || "leapFrogFilterFirst".equals(value)) {
            filterStrategy = FilteredQuery.LEAP_FROG_FILTER_FIRST_STRATEGY;
          } else {
            throw new QueryParsingException(
                parseContext.index(), "[filtered] strategy value not supported [" + value + "]");
          }
        } else if ("_name".equals(currentFieldName)) {
          queryName = parser.text();
        } else if ("boost".equals(currentFieldName)) {
          boost = parser.floatValue();
        } else if ("_cache".equals(currentFieldName)) {
          cache = parseContext.parseFilterCachePolicy();
        } else if ("_cache_key".equals(currentFieldName) || "_cacheKey".equals(currentFieldName)) {
          cacheKey = new HashedBytesRef(parser.text());
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[filtered] query does not support [" + currentFieldName + "]");
        }
      }
    }

    // parsed internally, but returned null during parsing...
    if (query == null) {
      return null;
    }

    if (filter == null) {
      if (!filterFound) {
        // we allow for null filter, so it makes compositions on the client side to be simpler
        return query;
      } else {
        // even if the filter is not found, and its null, we should simply ignore it, and go
        // by the query
        return query;
      }
    }
    if (filter == Queries.MATCH_ALL_FILTER) {
      // this is an instance of match all filter, just execute the query
      return query;
    }

    // cache if required
    if (cache != null) {
      filter = parseContext.cacheFilter(filter, cacheKey, cache);
    }

    // if its a match_all query, use constant_score
    if (Queries.isConstantMatchAllQuery(query)) {
      Query q = new ConstantScoreQuery(filter);
      q.setBoost(boost);
      return q;
    }

    FilteredQuery filteredQuery = new FilteredQuery(query, filter, filterStrategy);
    filteredQuery.setBoost(boost);
    if (queryName != null) {
      parseContext.addNamedQuery(queryName, filteredQuery);
    }
    return filteredQuery;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    boolean cache = true;
    CacheKeyFilter.Key cacheKey = null;
    String fieldName = null;
    Object from = null;
    Object to = null;
    boolean includeLower = true;
    boolean includeUpper = true;

    String filterName = null;
    String currentFieldName = null;
    XContentParser.Token token;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        fieldName = currentFieldName;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
          if (token == XContentParser.Token.FIELD_NAME) {
            currentFieldName = parser.currentName();
          } else {
            if ("from".equals(currentFieldName)) {
              from = parser.objectBytes();
            } else if ("to".equals(currentFieldName)) {
              to = parser.objectBytes();
            } 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)) {
              from = parser.objectBytes();
              includeLower = false;
            } else if ("gte".equals(currentFieldName) || "ge".equals(currentFieldName)) {
              from = parser.objectBytes();
              includeLower = true;
            } else if ("lt".equals(currentFieldName)) {
              to = parser.objectBytes();
              includeUpper = false;
            } else if ("lte".equals(currentFieldName) || "le".equals(currentFieldName)) {
              to = parser.objectBytes();
              includeUpper = true;
            } else {
              throw new QueryParsingException(
                  parseContext.index(),
                  "[range] filter does not support [" + currentFieldName + "]");
            }
          }
        }
      } else if (token.isValue()) {
        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 {
          throw new QueryParsingException(
              parseContext.index(), "[range] filter does not support [" + currentFieldName + "]");
        }
      }
    }

    if (fieldName == null) {
      throw new QueryParsingException(parseContext.index(), "No field specified for range filter");
    }

    Filter filter = null;
    MapperService.SmartNameFieldMappers smartNameFieldMappers =
        parseContext.smartFieldMappers(fieldName);
    if (smartNameFieldMappers != null) {
      if (smartNameFieldMappers.hasMapper()) {
        filter =
            smartNameFieldMappers
                .mapper()
                .rangeFilter(from, to, includeLower, includeUpper, parseContext);
      }
    }

    if (filter == null) {
      filter =
          new TermRangeFilter(
              fieldName,
              BytesRefs.toBytesRef(from),
              BytesRefs.toBytesRef(to),
              includeLower,
              includeUpper);
    }

    if (cache) {
      filter = parseContext.cacheFilter(filter, cacheKey);
    }

    filter = wrapSmartNameFilter(filter, smartNameFieldMappers, parseContext);
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }
    return filter;
  }
  /* (non-Javadoc)
   * @see cn.com.rebirth.search.core.index.query.FilterParser#parse(cn.com.rebirth.search.core.index.query.QueryParseContext)
   */
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    XContentParser.Token token;

    boolean cache = false;
    CacheKeyFilter.Key cacheKey = null;
    String filterName = null;
    String currentFieldName = null;
    double lat = 0;
    double lon = 0;
    String fieldName = null;
    double distance = 0;
    Object vDistance = null;
    DistanceUnit unit = DistanceUnit.KILOMETERS;
    GeoDistance geoDistance = GeoDistance.ARC;
    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) {
        token = parser.nextToken();
        lon = parser.doubleValue();
        token = parser.nextToken();
        lat = parser.doubleValue();
        while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {}

        fieldName = currentFieldName;
      } else if (token == XContentParser.Token.START_OBJECT) {

        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)) {
              lat = parser.doubleValue();
            } else if (currentName.equals(GeoPointFieldMapper.Names.LON)) {
              lon = parser.doubleValue();
            } else if (currentName.equals(GeoPointFieldMapper.Names.GEOHASH)) {
              double[] values = GeoHashUtils.decode(parser.text());
              lat = values[0];
              lon = values[1];
            } 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();
          } else {
            vDistance = parser.numberValue();
          }
        } 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)) {
          lat = parser.doubleValue();
          fieldName =
              currentFieldName.substring(
                  0, currentFieldName.length() - GeoPointFieldMapper.Names.LAT_SUFFIX.length());
        } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LON_SUFFIX)) {
          lon = parser.doubleValue();
          fieldName =
              currentFieldName.substring(
                  0, currentFieldName.length() - GeoPointFieldMapper.Names.LON_SUFFIX.length());
        } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.GEOHASH_SUFFIX)) {
          double[] values = GeoHashUtils.decode(parser.text());
          lat = values[0];
          lon = values[1];
          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 {

          String value = parser.text();
          int comma = value.indexOf(',');
          if (comma != -1) {
            lat = Double.parseDouble(value.substring(0, comma).trim());
            lon = Double.parseDouble(value.substring(comma + 1).trim());
          } else {
            double[] values = GeoHashUtils.decode(value);
            lat = values[0];
            lon = values[1];
          }
          fieldName = currentFieldName;
        }
      }
    }

    if (vDistance instanceof Number) {
      distance = unit.toMiles(((Number) vDistance).doubleValue());
    } else {
      distance = DistanceUnit.parse((String) vDistance, unit, DistanceUnit.MILES);
    }
    distance = geoDistance.normalize(distance, DistanceUnit.MILES);

    if (normalizeLat) {
      lat = GeoUtils.normalizeLat(lat);
    }
    if (normalizeLon) {
      lon = GeoUtils.normalizeLon(lon);
    }

    MapperService.SmartNameFieldMappers smartMappers = parseContext.smartFieldMappers(fieldName);
    if (smartMappers == null || !smartMappers.hasMapper()) {
      throw new QueryParsingException(
          parseContext.index(), "failed to find geo_point field [" + fieldName + "]");
    }
    FieldMapper mapper = smartMappers.mapper();
    if (mapper.fieldDataType() != GeoPointFieldDataType.TYPE) {
      throw new QueryParsingException(
          parseContext.index(), "field [" + fieldName + "] is not a geo_point field");
    }
    GeoPointFieldMapper geoMapper = ((GeoPointFieldMapper.GeoStringFieldMapper) mapper).geoMapper();
    fieldName = mapper.names().indexName();

    Filter filter =
        new GeoDistanceFilter(
            lat,
            lon,
            distance,
            geoDistance,
            fieldName,
            geoMapper,
            parseContext.indexCache().fieldData(),
            optimizeBbox);
    if (cache) {
      filter = parseContext.cacheFilter(filter, cacheKey);
    }
    filter = QueryParsers.wrapSmartNameFilter(filter, smartMappers, parseContext);
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }
    return filter;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    XContentParser.Token token;

    boolean cache = false;
    CacheKeyFilter.Key cacheKey = null;
    String filterName = null;
    String currentFieldName = null;
    double lat = 0;
    double lon = 0;
    String fieldName = null;
    Object vFrom = null;
    Object vTo = null;
    boolean includeLower = true;
    boolean includeUpper = true;
    DistanceUnit unit = DistanceUnit.KILOMETERS; // default unit
    GeoDistance geoDistance = GeoDistance.ARC;
    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) {
        token = parser.nextToken();
        lon = parser.doubleValue();
        token = parser.nextToken();
        lat = parser.doubleValue();
        while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {}

        fieldName = currentFieldName;
      } 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)) {
              lat = parser.doubleValue();
            } else if (currentName.equals(GeoPointFieldMapper.Names.LON)) {
              lon = parser.doubleValue();
            } else if (currentName.equals(GeoPointFieldMapper.Names.GEOHASH)) {
              double[] values = GeoHashUtils.decode(parser.text());
              lat = values[0];
              lon = values[1];
            }
          }
        }
      } 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)) {
          lat = parser.doubleValue();
          fieldName =
              currentFieldName.substring(
                  0, currentFieldName.length() - GeoPointFieldMapper.Names.LAT_SUFFIX.length());
        } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.LON_SUFFIX)) {
          lon = parser.doubleValue();
          fieldName =
              currentFieldName.substring(
                  0, currentFieldName.length() - GeoPointFieldMapper.Names.LON_SUFFIX.length());
        } else if (currentFieldName.endsWith(GeoPointFieldMapper.Names.GEOHASH_SUFFIX)) {
          double[] values = GeoHashUtils.decode(parser.text());
          lat = values[0];
          lon = values[1];
          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 {
          // assume the value is the actual value
          String value = parser.text();
          int comma = value.indexOf(',');
          if (comma != -1) {
            lat = Double.parseDouble(value.substring(0, comma).trim());
            lon = Double.parseDouble(value.substring(comma + 1).trim());
          } else {
            double[] values = GeoHashUtils.decode(value);
            lat = values[0];
            lon = values[1];
          }
          fieldName = currentFieldName;
        }
      }
    }

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

    if (normalizeLat) {
      lat = GeoUtils.normalizeLat(lat);
    }
    if (normalizeLon) {
      lon = GeoUtils.normalizeLon(lon);
    }

    MapperService.SmartNameFieldMappers smartMappers = parseContext.smartFieldMappers(fieldName);
    if (smartMappers == null || !smartMappers.hasMapper()) {
      throw new QueryParsingException(
          parseContext.index(), "failed to find geo_point field [" + fieldName + "]");
    }
    FieldMapper mapper = smartMappers.mapper();
    if (mapper.fieldDataType() != GeoPointFieldDataType.TYPE) {
      throw new QueryParsingException(
          parseContext.index(), "field [" + fieldName + "] is not a geo_point field");
    }
    GeoPointFieldMapper geoMapper = ((GeoPointFieldMapper.GeoStringFieldMapper) mapper).geoMapper();
    fieldName = mapper.names().indexName();

    Filter filter =
        new GeoDistanceRangeFilter(
            lat,
            lon,
            from,
            to,
            includeLower,
            includeUpper,
            geoDistance,
            fieldName,
            geoMapper,
            parseContext.indexCache().fieldData(),
            optimizeBbox);
    if (cache) {
      filter = parseContext.cacheFilter(filter, cacheKey);
    }
    filter = wrapSmartNameFilter(filter, smartMappers, parseContext);
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }
    return filter;
  }
Пример #9
0
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    Query query = null;
    Filter filter = null;
    float boost = 1.0f;
    String scope = null;
    String path = null;
    boolean cache = false;
    String filterName = null;

    // we need a late binding filter so we can inject a parent nested filter inner nested queries
    NestedQueryParser.LateBindingParentFilter currentParentFilterContext =
        NestedQueryParser.parentFilterContext.get();

    NestedQueryParser.LateBindingParentFilter usAsParentFilter =
        new NestedQueryParser.LateBindingParentFilter();
    NestedQueryParser.parentFilterContext.set(usAsParentFilter);

    String currentFieldName = null;
    XContentParser.Token token;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        if ("query".equals(currentFieldName)) {
          query = parseContext.parseInnerQuery();
        } else if ("filter".equals(currentFieldName)) {
          filter = parseContext.parseInnerFilter();
        }
      } else if (token.isValue()) {
        if ("path".equals(currentFieldName)) {
          path = parser.text();
        } else if ("boost".equals(currentFieldName)) {
          boost = parser.floatValue();
        } else if ("_scope".equals(currentFieldName)) {
          scope = parser.text();
        } else if ("_name".equals(currentFieldName)) {
          filterName = parser.text();
        } else if ("_cache".equals(currentFieldName)) {
          cache = parser.booleanValue();
        }
      }
    }
    if (query == null && filter == null) {
      throw new QueryParsingException(
          parseContext.index(), "[nested] requires either 'query' or 'filter' field");
    }
    if (path == null) {
      throw new QueryParsingException(parseContext.index(), "[nested] requires 'path' field");
    }

    if (filter != null) {
      query = new DeletionAwareConstantScoreQuery(filter);
    }

    query.setBoost(boost);

    MapperService.SmartNameObjectMapper mapper =
        parseContext.mapperService().smartNameObjectMapper(path);
    if (mapper == null) {
      throw new QueryParsingException(
          parseContext.index(), "[nested] failed to find nested object under path [" + path + "]");
    }
    ObjectMapper objectMapper = mapper.mapper();
    if (objectMapper == null) {
      throw new QueryParsingException(
          parseContext.index(), "[nested] failed to find nested object under path [" + path + "]");
    }
    if (!objectMapper.nested().isNested()) {
      throw new QueryParsingException(
          parseContext.index(),
          "[nested] nested object under path [" + path + "] is not of nested type");
    }

    Filter childFilter = parseContext.cacheFilter(objectMapper.nestedTypeFilter());
    usAsParentFilter.filter = childFilter;
    // wrap the child query to only work on the nested path type
    query = new FilteredQuery(query, childFilter);

    Filter parentFilter = currentParentFilterContext;
    if (parentFilter == null) {
      parentFilter = NonNestedDocsFilter.INSTANCE;
      if (mapper.hasDocMapper()) {
        // filter based on the type...
        parentFilter = mapper.docMapper().typeFilter();
      }
      parentFilter = parseContext.cacheFilter(parentFilter);
    }

    // restore the thread local one...
    NestedQueryParser.parentFilterContext.set(currentParentFilterContext);

    BlockJoinQuery joinQuery =
        new BlockJoinQuery(query, parentFilter, BlockJoinQuery.ScoreMode.None);

    if (scope != null) {
      SearchContext.current().addNestedQuery(scope, joinQuery);
    }

    Filter joinFilter = new QueryWrapperFilter(joinQuery);
    if (cache) {
      joinFilter = parseContext.cacheFilter(joinFilter);
    }
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, joinFilter);
    }
    return joinFilter;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    Query query = null;
    boolean queryFound = false;
    String parentType = null;

    String filterName = null;
    String currentFieldName = null;
    XContentParser.Token token;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        if ("query".equals(currentFieldName)) {
          // TODO handle `query` element before `type` element...
          String[] origTypes =
              QueryParseContext.setTypesWithPrevious(
                  parentType == null ? null : new String[] {parentType});
          try {
            query = parseContext.parseInnerQuery();
            queryFound = true;
          } finally {
            QueryParseContext.setTypes(origTypes);
          }
        } else if ("filter".equals(currentFieldName)) {
          // TODO handle `filter` element before `type` element...
          String[] origTypes =
              QueryParseContext.setTypesWithPrevious(
                  parentType == null ? null : new String[] {parentType});
          try {
            Filter innerFilter = parseContext.parseInnerFilter();
            query = new XConstantScoreQuery(innerFilter);
            queryFound = true;
          } finally {
            QueryParseContext.setTypes(origTypes);
          }
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_parent] filter does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("type".equals(currentFieldName)
            || "parent_type".equals(currentFieldName)
            || "parentType".equals(currentFieldName)) {
          parentType = parser.text();
        } else if ("_scope".equals(currentFieldName)) {
          throw new QueryParsingException(
              parseContext.index(),
              "the [_scope] support in [has_parent] filter has been removed, use a filter as a facet_filter in the relevant global facet");
        } else if ("_name".equals(currentFieldName)) {
          filterName = parser.text();
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_parent] filter does not support [" + currentFieldName + "]");
        }
      }
    }
    if (!queryFound) {
      throw new QueryParsingException(
          parseContext.index(), "[parent] filter requires 'query' field");
    }
    if (query == null) {
      return null;
    }

    if (parentType == null) {
      throw new QueryParsingException(
          parseContext.index(), "[parent] filter requires 'parent_type' field");
    }

    DocumentMapper parentDocMapper = parseContext.mapperService().documentMapper(parentType);
    if (parentDocMapper == null) {
      throw new QueryParsingException(
          parseContext.index(),
          "[parent] filter configured 'parent_type' [" + parentType + "] is not a valid type");
    }

    // wrap the query with type query
    query = new XFilteredQuery(query, parseContext.cacheFilter(parentDocMapper.typeFilter(), null));

    SearchContext searchContext = SearchContext.current();

    HasParentFilter parentFilter = HasParentFilter.create(query, parentType, searchContext);
    searchContext.addRewrite(parentFilter);

    if (filterName != null) {
      parseContext.addNamedFilter(filterName, parentFilter);
    }
    return parentFilter;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    String fieldName = null;
    ShapeRelation shapeRelation = ShapeRelation.INTERSECTS;
    String strategyName = null;
    ShapeBuilder shape = null;
    FilterCachingPolicy cache = parseContext.autoFilterCachePolicy();
    HashedBytesRef cacheKey = null;
    String filterName = null;

    String id = null;
    String type = null;
    String index = DEFAULTS.INDEX_NAME;
    String shapePath = DEFAULTS.SHAPE_FIELD_NAME;

    XContentParser.Token token;
    String currentFieldName = null;

    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        fieldName = currentFieldName;

        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
          if (token == XContentParser.Token.FIELD_NAME) {
            currentFieldName = parser.currentName();

            token = parser.nextToken();
            if ("shape".equals(currentFieldName)) {
              shape = ShapeBuilder.parse(parser);
            } else if ("relation".equals(currentFieldName)) {
              shapeRelation = ShapeRelation.getRelationByName(parser.text());
              if (shapeRelation == null) {
                throw new QueryParsingException(
                    parseContext.index(), "Unknown shape operation [" + parser.text() + "]");
              }
            } else if ("strategy".equals(currentFieldName)) {
              strategyName = parser.text();
            } else if ("indexed_shape".equals(currentFieldName)
                || "indexedShape".equals(currentFieldName)) {
              while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
                if (token == XContentParser.Token.FIELD_NAME) {
                  currentFieldName = parser.currentName();
                } else if (token.isValue()) {
                  if ("id".equals(currentFieldName)) {
                    id = parser.text();
                  } else if ("type".equals(currentFieldName)) {
                    type = parser.text();
                  } else if ("index".equals(currentFieldName)) {
                    index = parser.text();
                  } else if ("path".equals(currentFieldName)) {
                    shapePath = parser.text();
                  }
                }
              }
              if (id == null) {
                throw new QueryParsingException(
                    parseContext.index(), "ID for indexed shape not provided");
              } else if (type == null) {
                throw new QueryParsingException(
                    parseContext.index(), "Type for indexed shape not provided");
              }
              shape = fetchService.fetch(id, type, index, shapePath);
            } else {
              throw new QueryParsingException(
                  parseContext.index(),
                  "[geo_shape] filter does not support [" + currentFieldName + "]");
            }
          }
        }
      } else if (token.isValue()) {
        if ("_name".equals(currentFieldName)) {
          filterName = parser.text();
        } else if ("_cache".equals(currentFieldName)) {
          cache = parseContext.parseFilterCachePolicy();
        } else if ("_cache_key".equals(currentFieldName)) {
          cacheKey = new HashedBytesRef(parser.text());
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[geo_shape] filter does not support [" + currentFieldName + "]");
        }
      }
    }

    if (shape == null) {
      throw new QueryParsingException(parseContext.index(), "No Shape defined");
    } else if (shapeRelation == null) {
      throw new QueryParsingException(parseContext.index(), "No Shape Relation defined");
    }

    MapperService.SmartNameFieldMappers smartNameFieldMappers =
        parseContext.smartFieldMappers(fieldName);
    if (smartNameFieldMappers == null || !smartNameFieldMappers.hasMapper()) {
      throw new QueryParsingException(
          parseContext.index(), "Failed to find geo_shape field [" + fieldName + "]");
    }

    FieldMapper fieldMapper = smartNameFieldMappers.mapper();
    // TODO: This isn't the nicest way to check this
    if (!(fieldMapper instanceof GeoShapeFieldMapper)) {
      throw new QueryParsingException(
          parseContext.index(), "Field [" + fieldName + "] is not a geo_shape");
    }

    GeoShapeFieldMapper shapeFieldMapper = (GeoShapeFieldMapper) fieldMapper;
    PrefixTreeStrategy strategy = shapeFieldMapper.defaultStrategy();
    if (strategyName != null) {
      strategy = shapeFieldMapper.resolveStrategy(strategyName);
    }

    Filter filter;
    if (strategy instanceof RecursivePrefixTreeStrategy
        && shapeRelation == ShapeRelation.DISJOINT) {
      // this strategy doesn't support disjoint anymore: but it did before, including creating
      // lucene fieldcache (!)
      // in this case, execute disjoint as exists && !intersects
      XBooleanFilter bool = new XBooleanFilter();
      Filter exists = ExistsFilterParser.newFilter(parseContext, fieldName, null);
      Filter intersects =
          strategy.makeFilter(GeoShapeQueryParser.getArgs(shape, ShapeRelation.INTERSECTS));
      bool.add(exists, BooleanClause.Occur.MUST);
      bool.add(intersects, BooleanClause.Occur.MUST_NOT);
      filter = bool;
    } else {
      filter = strategy.makeFilter(GeoShapeQueryParser.getArgs(shape, shapeRelation));
    }

    if (cache != null) {
      filter = parseContext.cacheFilter(filter, cacheKey, cache);
    }

    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }

    return filter;
  }
  @Override
  public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    XContentParser.Token token;

    boolean cache = false; // no need to cache it by default, changes a lot?
    CacheKeyFilter.Key cacheKey = null;
    // also, when caching, since its isCacheable is false, will result in loading all bit set...
    String script = null;
    String scriptLang = null;
    Map<String, Object> params = null;

    String filterName = null;
    String currentFieldName = null;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        if ("params".equals(currentFieldName)) {
          params = parser.map();
        } else {
          throw new QueryParsingException(
              parseContext.index(), "[script] filter does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("script".equals(currentFieldName)) {
          script = parser.text();
        } else if ("lang".equals(currentFieldName)) {
          scriptLang = parser.text();
        } 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 {
          throw new QueryParsingException(
              parseContext.index(), "[script] filter does not support [" + currentFieldName + "]");
        }
      }
    }

    if (script == null) {
      throw new QueryParsingException(
          parseContext.index(), "script must be provided with a [script] filter");
    }
    if (params == null) {
      params = newHashMap();
    }

    Filter filter =
        new ScriptFilter(
            scriptLang, script, params, parseContext.scriptService(), parseContext.lookup());
    if (cache) {
      filter = parseContext.cacheFilter(filter, cacheKey);
    }
    if (filterName != null) {
      parseContext.addNamedFilter(filterName, filter);
    }
    return filter;
  }
  @Override
  public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
    XContentParser parser = parseContext.parser();

    boolean queryFound = false;
    float boost = 1.0f;
    String parentType = null;
    boolean score = false;
    String queryName = null;

    String currentFieldName = null;
    XContentParser.Token token;
    XContentStructure.InnerQuery iq = null;
    while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
      if (token == XContentParser.Token.FIELD_NAME) {
        currentFieldName = parser.currentName();
      } else if (token == XContentParser.Token.START_OBJECT) {
        // Usually, the query would be parsed here, but the child
        // type may not have been extracted yet, so use the
        // XContentStructure.<type> facade to parse if available,
        // or delay parsing if not.
        if ("query".equals(currentFieldName)) {
          iq =
              new XContentStructure.InnerQuery(
                  parseContext, parentType == null ? null : new String[] {parentType});
          queryFound = true;
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_parent] query does not support [" + currentFieldName + "]");
        }
      } else if (token.isValue()) {
        if ("type".equals(currentFieldName)
            || "parent_type".equals(currentFieldName)
            || "parentType".equals(currentFieldName)) {
          parentType = parser.text();
        } else if ("_scope".equals(currentFieldName)) {
          throw new QueryParsingException(
              parseContext.index(),
              "the [_scope] support in [has_parent] query has been removed, use a filter as a facet_filter in the relevant global facet");
        } else if ("score_type".equals(currentFieldName) || "scoreType".equals(currentFieldName)) {
          String scoreTypeValue = parser.text();
          if ("score".equals(scoreTypeValue)) {
            score = true;
          } else if ("none".equals(scoreTypeValue)) {
            score = false;
          }
        } else if ("score_mode".equals(currentFieldName) || "scoreMode".equals(currentFieldName)) {
          String scoreModeValue = parser.text();
          if ("score".equals(scoreModeValue)) {
            score = true;
          } else if ("none".equals(scoreModeValue)) {
            score = false;
          }
        } else if ("boost".equals(currentFieldName)) {
          boost = parser.floatValue();
        } else if ("_name".equals(currentFieldName)) {
          queryName = parser.text();
        } else {
          throw new QueryParsingException(
              parseContext.index(),
              "[has_parent] query does not support [" + currentFieldName + "]");
        }
      }
    }
    if (!queryFound) {
      throw new QueryParsingException(
          parseContext.index(), "[has_parent] query requires 'query' field");
    }
    if (parentType == null) {
      throw new QueryParsingException(
          parseContext.index(), "[has_parent] query requires 'parent_type' field");
    }

    Query innerQuery = iq.asQuery(parentType);

    if (innerQuery == null) {
      return null;
    }

    DocumentMapper parentDocMapper = parseContext.mapperService().documentMapper(parentType);
    if (parentDocMapper == null) {
      throw new QueryParsingException(
          parseContext.index(),
          "[has_parent] query configured 'parent_type' [" + parentType + "] is not a valid type");
    }

    innerQuery.setBoost(boost);
    // wrap the query with type query
    innerQuery =
        new XFilteredQuery(
            innerQuery, parseContext.cacheFilter(parentDocMapper.typeFilter(), null));

    ParentChildIndexFieldData parentChildIndexFieldData = null;
    Set<String> parentTypes = new HashSet<>(5);
    parentTypes.add(parentType);
    for (DocumentMapper documentMapper : parseContext.mapperService()) {
      ParentFieldMapper parentFieldMapper = documentMapper.parentFieldMapper();
      if (parentFieldMapper.active()) {
        parentChildIndexFieldData = parseContext.fieldData().getForField(parentFieldMapper);
        DocumentMapper parentTypeDocumentMapper =
            parseContext.mapperService().documentMapper(parentFieldMapper.type());
        if (parentTypeDocumentMapper == null) {
          // Only add this, if this parentFieldMapper (also a parent)  isn't a child of another
          // parent.
          parentTypes.add(parentFieldMapper.type());
        }
      }
    }
    if (parentChildIndexFieldData == null) {
      throw new QueryParsingException(
          parseContext.index(), "[has_parent] no _parent field configured");
    }

    Filter parentFilter;
    if (parentTypes.size() == 1) {
      DocumentMapper documentMapper =
          parseContext.mapperService().documentMapper(parentTypes.iterator().next());
      parentFilter = parseContext.cacheFilter(documentMapper.typeFilter(), null);
    } else {
      XBooleanFilter parentsFilter = new XBooleanFilter();
      for (String parentTypeStr : parentTypes) {
        DocumentMapper documentMapper = parseContext.mapperService().documentMapper(parentTypeStr);
        Filter filter = parseContext.cacheFilter(documentMapper.typeFilter(), null);
        parentsFilter.add(filter, BooleanClause.Occur.SHOULD);
      }
      parentFilter = parentsFilter;
    }
    Filter childrenFilter = parseContext.cacheFilter(new NotFilter(parentFilter), null);

    boolean deleteByQuery = "delete_by_query".equals(SearchContext.current().source());
    Query query;
    if (!deleteByQuery && score) {
      query = new ParentQuery(parentChildIndexFieldData, innerQuery, parentType, childrenFilter);
    } else {
      query =
          new ParentConstantScoreQuery(
              parentChildIndexFieldData, innerQuery, parentType, childrenFilter);
      if (deleteByQuery) {
        query = new XConstantScoreQuery(new DeleteByQueryWrappingFilter(query));
      }
    }
    query.setBoost(boost);
    if (queryName != null) {
      parseContext.addNamedFilter(queryName, new CustomQueryWrappingFilter(query));
    }
    return query;
  }