如果在使用spring-data-elasticsearch时,发现@Field注解无效的情况,可以尝试以下解决方案:
确保正确引入依赖:在pom.xml文件中添加spring-data-elasticsearch的依赖,同时确保版本与当前使用的spring-boot版本兼容。
检查实体类:确保实体类正确定义了字段,并且字段上使用了@Field注解。例如:
@Document(indexName = "my_index", type = "my_type")
public class MyEntity {
@Field(type = FieldType.Keyword)
private String field1;
// getter and setter methods
}
@Configuration
@EnableElasticsearchRepositories(basePackages = "com.example.repository")
public class ElasticSearchConfig {
@Bean
public ElasticsearchTemplate elasticsearchTemplate() {
return new ElasticsearchTemplate(client());
}
@Bean
public Client client() {
// 配置Elasticsearch的连接信息
return new PreBuiltTransportClient(Settings.EMPTY)
.addTransportAddress(new TransportAddress(InetAddress.getByName("localhost"), 9300));
}
}
public class MyEntityRepositoryImpl implements MyEntityRepositoryCustom {
@Autowired
private ElasticsearchTemplate elasticsearchTemplate;
@Override
public List<MyEntity> findByField1(String field1) {
QueryBuilder queryBuilder = QueryBuilders.matchQuery("field1", field1).operator(Operator.AND);
NativeSearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(queryBuilder)
.build();
return elasticsearchTemplate.queryForList(searchQuery, MyEntity.class);
}
}
通过上述方法,应该能够解决spring-data-elasticsearch @Field注解无效的问题。如果仍然无效,可以尝试重新构建项目环境,或者升级spring-data-elasticsearch的版本。