@Override public DocIdSet getDocIdSet(IndexReader reader) throws IOException {
final GeoPointFieldData fieldData = (GeoPointFieldData) fieldDataCache.cache(GeoPointFieldDataType.TYPE, reader, fieldName);
//checks to see if bounding box crosses 180 degrees
if (topLeft.lon > bottomRight.lon) {
return new GetDocSet(reader.maxDoc()) {
@Override public boolean isCacheable() {
// not cacheable for several reasons:
// 1. It is only relevant when _cache is set to true, and then, we really want to create in mem bitset
// 2. Its already fast without in mem bitset, since it works with field data
return false;
}
@Override public boolean get(int doc) throws IOException {
if (!fieldData.hasValue(doc)) {
return false;
}
if (fieldData.multiValued()) {
double[] lats = fieldData.latValues(doc);
double[] lons = fieldData.lonValues(doc);
for (int i = 0; i < lats.length; i++) {
double lat = lats[i];
double lon = lons[i];
if (((topLeft.lon <= lon && 180 >= lon) || (-180 <= lon && bottomRight.lon >= lon)) &&
(topLeft.lat >= lat && bottomRight.lat <= lat)) {
return true;
}
}
} else {
double lat = fieldData.latValue(doc);
double lon = fieldData.lonValue(doc);
if (((topLeft.lon <= lon && 180 >= lon) || (-180 <= lon && bottomRight.lon >= lon)) &&
(topLeft.lat >= lat && bottomRight.lat <= lat)) {
return true;
}
}
return false;
}
};
} else {
return new GetDocSet(reader.maxDoc()) {
@Override public boolean isCacheable() {
// not cacheable for several reasons:
// 1. It is only relevant when _cache is set to true, and then, we really want to create in mem bitset
// 2. Its already fast without in mem bitset, since it works with field data