@Override
public Mapper.Builder parse(String name, Map<String, Object> node, ParserContext parserContext)
throws MapperParsingException {
Builder builder = geoShapeField(name);
for (Iterator<Map.Entry<String, Object>> iterator = node.entrySet().iterator();
iterator.hasNext(); ) {
Map.Entry<String, Object> entry = iterator.next();
String fieldName = Strings.toUnderscoreCase(entry.getKey());
Object fieldNode = entry.getValue();
if (Names.TREE.equals(fieldName)) {
builder.fieldType().setTree(fieldNode.toString());
iterator.remove();
} else if (Names.TREE_LEVELS.equals(fieldName)) {
builder.fieldType().setTreeLevels(Integer.parseInt(fieldNode.toString()));
iterator.remove();
} else if (Names.TREE_PRESISION.equals(fieldName)) {
builder
.fieldType()
.setPrecisionInMeters(
DistanceUnit.parse(
fieldNode.toString(), DistanceUnit.DEFAULT, DistanceUnit.DEFAULT));
iterator.remove();
} else if (Names.DISTANCE_ERROR_PCT.equals(fieldName)) {
builder.fieldType().setDistanceErrorPct(Double.parseDouble(fieldNode.toString()));
iterator.remove();
} else if (Names.ORIENTATION.equals(fieldName)) {
builder
.fieldType()
.setOrientation(ShapeBuilder.orientationFromString(fieldNode.toString()));
iterator.remove();
} else if (Names.STRATEGY.equals(fieldName)) {
builder.fieldType().setStrategyName(fieldNode.toString());
iterator.remove();
} else if (Names.COERCE.equals(fieldName)) {
builder.coerce(nodeBooleanValue(fieldNode));
iterator.remove();
} else if (Names.STRATEGY_POINTS_ONLY.equals(fieldName)
&& builder.fieldType().strategyName.equals(SpatialStrategy.TERM.getStrategyName())
== false) {
builder.fieldType().setPointsOnly(XContentMapValues.nodeBooleanValue(fieldNode));
iterator.remove();
}
}
return builder;
}
@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;
}
@Override
public Builder fromXContent(QueryParseContext parseContext) throws IOException {
XContentParser parser = parseContext.parser();
String fieldName = null;
String geohash = null;
Integer levels = null;
Boolean neighbors = null;
String queryName = null;
Float boost = null;
XContentParser.Token token;
if ((token = parser.currentToken()) != Token.START_OBJECT) {
throw new ElasticsearchParseException(
"failed to parse [{}] query. expected an object but found [{}] instead", NAME, token);
}
while ((token = parser.nextToken()) != Token.END_OBJECT) {
if (token == Token.FIELD_NAME) {
String field = parser.currentName();
if (parseContext.isDeprecatedSetting(field)) {
// skip
} else if (parseContext.parseFieldMatcher().match(field, PRECISION_FIELD)) {
token = parser.nextToken();
if (token == Token.VALUE_NUMBER) {
levels = parser.intValue();
} else if (token == Token.VALUE_STRING) {
double meters =
DistanceUnit.parse(parser.text(), DistanceUnit.DEFAULT, DistanceUnit.METERS);
levels = GeoUtils.geoHashLevelsForPrecision(meters);
}
} else if (parseContext.parseFieldMatcher().match(field, NEIGHBORS_FIELD)) {
parser.nextToken();
neighbors = parser.booleanValue();
} else if (parseContext
.parseFieldMatcher()
.match(field, AbstractQueryBuilder.NAME_FIELD)) {
parser.nextToken();
queryName = parser.text();
} else if (parseContext
.parseFieldMatcher()
.match(field, AbstractQueryBuilder.BOOST_FIELD)) {
parser.nextToken();
boost = parser.floatValue();
} else {
if (fieldName == null) {
fieldName = field;
token = parser.nextToken();
if (token == Token.VALUE_STRING) {
// A string indicates either a geohash or a
// lat/lon
// string
String location = parser.text();
if (location.indexOf(",") > 0) {
geohash = GeoUtils.parseGeoPoint(parser).geohash();
} else {
geohash = location;
}
} else {
geohash = GeoUtils.parseGeoPoint(parser).geohash();
}
} else {
throw new ParsingException(
parser.getTokenLocation(),
"["
+ NAME
+ "] field name already set to ["
+ fieldName
+ "] but found ["
+ field
+ "]");
}
}
} else {
throw new ElasticsearchParseException(
"failed to parse [{}] query. unexpected token [{}]", NAME, token);
}
}
Builder builder = new Builder(fieldName, geohash);
if (levels != null) {
builder.precision(levels);
}
if (neighbors != null) {
builder.neighbors(neighbors);
}
if (queryName != null) {
builder.queryName(queryName);
}
if (boost != null) {
builder.boost(boost);
}
return builder;
}
public Builder precision(String precision) {
double meters = DistanceUnit.parse(precision, DistanceUnit.DEFAULT, DistanceUnit.METERS);
return precision(GeoUtils.geoHashLevelsForPrecision(meters));
}