import org.elasticsearch.index.mapper.core.FloatFieldMapper; //导入依赖的package包/类
@Override
protected void configureRootObjectBuilder(RootObjectMapper.Builder builder) {
    builder
            .add(new DateFieldMapper.Builder("dateTime"))
            .add(new FloatFieldMapper.Builder("temperature"))
            .add(new FloatFieldMapper.Builder("windSpeed"))
            .add(new FloatFieldMapper.Builder("stationPressure"))
            .add(new StringFieldMapper.Builder("skyCondition"))
            .add(new ObjectMapper.Builder("station")
                    .add(new StringFieldMapper.Builder("wban"))
                    .add(new StringFieldMapper.Builder("name"))
                    .add(new StringFieldMapper.Builder("state"))
                    .add(new StringFieldMapper.Builder("location"))
                    .add(new GeoPointFieldMapper.Builder("coordinates")
                            .enableLatLon(true)
                            .enableGeoHash(false))
                    .nested(ObjectMapper.Nested.newNested(true, false)));
}
 

import org.elasticsearch.index.mapper.core.FloatFieldMapper; //导入依赖的package包/类
private static Map<String, Mapper.TypeParser> registerBuiltInMappers() {
    Map<String, Mapper.TypeParser> mapperParsers = new LinkedHashMap<>();
    mapperParsers.put(ByteFieldMapper.CONTENT_TYPE, new ByteFieldMapper.TypeParser());
    mapperParsers.put(ShortFieldMapper.CONTENT_TYPE, new ShortFieldMapper.TypeParser());
    mapperParsers.put(IntegerFieldMapper.CONTENT_TYPE, new IntegerFieldMapper.TypeParser());
    mapperParsers.put(LongFieldMapper.CONTENT_TYPE, new LongFieldMapper.TypeParser());
    mapperParsers.put(FloatFieldMapper.CONTENT_TYPE, new FloatFieldMapper.TypeParser());
    mapperParsers.put(DoubleFieldMapper.CONTENT_TYPE, new DoubleFieldMapper.TypeParser());
    mapperParsers.put(BooleanFieldMapper.CONTENT_TYPE, new BooleanFieldMapper.TypeParser());
    mapperParsers.put(BinaryFieldMapper.CONTENT_TYPE, new BinaryFieldMapper.TypeParser());
    mapperParsers.put(DateFieldMapper.CONTENT_TYPE, new DateFieldMapper.TypeParser());
    mapperParsers.put(IpFieldMapper.CONTENT_TYPE, new IpFieldMapper.TypeParser());
    mapperParsers.put(StringFieldMapper.CONTENT_TYPE, new StringFieldMapper.TypeParser());
    mapperParsers.put(TokenCountFieldMapper.CONTENT_TYPE, new TokenCountFieldMapper.TypeParser());
    mapperParsers.put(ObjectMapper.CONTENT_TYPE, new ObjectMapper.TypeParser());
    mapperParsers.put(ObjectMapper.NESTED_CONTENT_TYPE, new ObjectMapper.TypeParser());
    mapperParsers.put(TypeParsers.MULTI_FIELD_CONTENT_TYPE, TypeParsers.multiFieldConverterTypeParser);
    mapperParsers.put(CompletionFieldMapper.CONTENT_TYPE, new CompletionFieldMapper.TypeParser());
    mapperParsers.put(GeoPointFieldMapper.CONTENT_TYPE, new GeoPointFieldMapper.TypeParser());
    return mapperParsers;
}
 

import org.elasticsearch.index.mapper.core.FloatFieldMapper; //导入依赖的package包/类
@Override
protected void configure(RootObjectMapper.Builder builder) {
    builder
            .add(new DateFieldMapper.Builder("dateTime"))
            .add(new FloatFieldMapper.Builder("temperature"))
            .add(new FloatFieldMapper.Builder("windSpeed"))
            .add(new FloatFieldMapper.Builder("stationPressure"))
            .add(new StringFieldMapper.Builder("skyCondition"))
            .add(new ObjectMapper.Builder("station")
                    .add(new StringFieldMapper.Builder("wban"))
                    .add(new StringFieldMapper.Builder("name"))
                    .add(new StringFieldMapper.Builder("state"))
                    .add(new StringFieldMapper.Builder("location"))
                    .add(new GeoPointFieldMapper.Builder("coordinates")
                            .enableLatLon(true)
                            .enableGeoHash(false))
                    .nested(ObjectMapper.Nested.newNested(true, false)));
}
 

import org.elasticsearch.index.mapper.core.FloatFieldMapper; //导入依赖的package包/类
public static FloatFieldMapper.Builder floatField(String name) {
    return new FloatFieldMapper.Builder(name);
}