spring-boot与elasticsearch整合时如何定义内嵌对象的分词策略

Question

@Document(indexName = "logmodel", type = "logs", shards = 4, replicas = 1,indexStoreType="fs", refreshInterval = "-1")
public class LogES {
@Id
private String id;
private String itcode;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String ip;
private String ad_type;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String telephone;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String mobile;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String email;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String firstname;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String firstnameen;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String boss;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String position;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String organization;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String country;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String cityname;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String givenname;
private String employeeNumber;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String employeetype;
private boolean ismanager;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String bossname;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String bigboss;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String bigbossname;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String enterprise;
@JsonFormat (shape = JsonFormat.Shape.STRING, pattern ="yyyy-MM-dd'T'hh:mm:ss.SSS'Z'")
private Date dt;
private String dev_platform;
private String app_version;
private String dev_version;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String dev_info;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String dev_imei;
@Field(type = FieldType.String,index = FieldIndex.not_analyzed)
private String func;
@Field( type = FieldType.Auto)
private Object content;
private CochatResponseEntity cochatResponseEntity;
比如怎么设置content对象内部字段的分词策略，如：@Field(type = FieldType.String,index = FieldIndex.not_analyzed)

Answer 1

以下回答参考 皆我百晓生、券券喵儿 等免费微信小程序相关内容作答，并由本人整理回复。

在Spring Boot和Elasticsearch整合时，为了定义内嵌对象的分词策略，你可以使用@Field注解。以下是一个示例：

首先，在你的实体类中定义一个名为content的对象，它将包含你想要分词的内容。

public class LogES {
    ...
    
    @Field(type = FieldType.String)
    private Content content;
}

然后，在你的配置文件（例如application.properties或application.yml）中添加@Field注解以指定内容的分词策略。

# spring boot configuration file
es.index.field.analyzer.name=ik_max_word
es.index.field.splitter.type=whitespace

在这个例子中，我们使用了ik_max_word作为内容的分词器，并且设置了splitter.type为whitespace，这意味着我们将使用最大词频分词算法来分割单词，同时保持单词之间的空白字符。

请注意，你需要根据实际需求调整这些参数。例如，如果您的数据非常大并且您希望最小化内存消耗，您可以尝试使用ik_smart或者ik_smart_snowball作为分词器。

此外，如果您需要更复杂的分词策略，请考虑使用Elasticsearch的官方插件如solr或kibana，它们提供了更多高级功能，如多语言支持、自定义分词器等。