10 changed files with 313 additions and 56 deletions
			
			
		@ -0,0 +1,23 @@ | 
				
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					package com.hnac.hzims.bigmodel.database.entity; | 
				
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					import com.alibaba.fastjson.annotation.JSONField; | 
				
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					import lombok.Data; | 
				
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					import lombok.EqualsAndHashCode; | 
				
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					import java.io.Serializable; | 
				
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					/** | 
				
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					 * @Author: huangxing | 
				
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					 * @Date: 2024/08/22 19:35 | 
				
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					 */ | 
				
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					@Data | 
				
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					@EqualsAndHashCode | 
				
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					public class WeaviateEntity implements Serializable { | 
				
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					    @JSONField(name = "item_id") | 
				
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					    private String itemId; | 
				
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					    @JSONField(name = "item_name") | 
				
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					    private String itemName; | 
				
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					} | 
				
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@ -1,20 +0,0 @@ | 
				
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package com.hnac.hzims.bigmodel.configuration; | 
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import org.springframework.context.annotation.Bean; | 
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import org.springframework.context.annotation.Configuration; | 
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import org.springframework.web.reactive.function.client.WebClient; | 
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import reactor.core.publisher.Mono; | 
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/** | 
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 * @Author: huangxing | 
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 * @Date: 2024/08/21 15:22 | 
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 */ | 
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@Configuration | 
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public class WeaviateConfig { | 
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    @Bean | 
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    public WebClient weaviateClient() { | 
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        return WebClient.create("http://192.168.60.16:9992"); | 
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    } | 
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} | 
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					package com.hnac.hzims.bigmodel.configuration; | 
				
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					import io.weaviate.client.Config; | 
				
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					import io.weaviate.client.WeaviateAuthClient; | 
				
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					import io.weaviate.client.WeaviateClient; | 
				
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					import io.weaviate.client.v1.auth.exception.AuthException; | 
				
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					import io.weaviate.client.v1.data.api.ObjectCreator; | 
				
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					import io.weaviate.client.v1.data.api.ObjectDeleter; | 
				
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					import io.weaviate.client.v1.data.api.ObjectUpdater; | 
				
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					import io.weaviate.client.v1.data.api.ObjectsGetter; | 
				
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					import org.springframework.context.annotation.Bean; | 
				
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					import org.springframework.context.annotation.Configuration; | 
				
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					/** | 
				
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					 * @Author: huangxing | 
				
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					 * @Date: 2024/08/22 18:38 | 
				
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					 */ | 
				
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					@Configuration | 
				
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					public class WeaviateConfigure { | 
				
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					    private final WeaviateProperties weaviateProperties; | 
				
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					    public WeaviateConfigure(WeaviateProperties weaviateProperties) { | 
				
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					        this.weaviateProperties = weaviateProperties; | 
				
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					    } | 
				
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					    @Bean | 
				
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					    public WeaviateClient weaviateClient() throws AuthException { | 
				
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					        Config config = new Config(this.weaviateProperties.getSchema(), this.weaviateProperties.getHost() + ":" + this.weaviateProperties.getPort()); | 
				
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					        return WeaviateAuthClient.apiKey(config,this.weaviateProperties.getApiKey()); | 
				
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					    } | 
				
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					    @Bean | 
				
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					    public ObjectsGetter objectsGetter() throws AuthException { | 
				
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					        WeaviateClient weaviateClient = weaviateClient(); | 
				
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					        return weaviateClient.data().objectsGetter(); | 
				
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					    } | 
				
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					    @Bean | 
				
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					    public ObjectCreator objectCreator() throws AuthException { | 
				
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					        WeaviateClient weaviateClient = weaviateClient(); | 
				
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					        return weaviateClient.data().creator(); | 
				
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					    } | 
				
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					    @Bean | 
				
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					    public ObjectDeleter deleter() throws AuthException { | 
				
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					        WeaviateClient weaviateClient = weaviateClient(); | 
				
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					        return weaviateClient.data().deleter(); | 
				
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					    } | 
				
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					    @Bean | 
				
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					    public ObjectUpdater updater() throws AuthException { | 
				
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					        WeaviateClient weaviateClient = weaviateClient(); | 
				
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					        return weaviateClient.data().updater(); | 
				
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					    } | 
				
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					} | 
				
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					package com.hnac.hzims.bigmodel.configuration; | 
				
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					import lombok.Data; | 
				
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					import org.springframework.boot.context.properties.ConfigurationProperties; | 
				
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					import org.springframework.stereotype.Component; | 
				
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					/** | 
				
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					 * @Author: huangxing | 
				
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					 * @Date: 2024/08/21 15:22 | 
				
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					 */ | 
				
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					@Data | 
				
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					@Component | 
				
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					@ConfigurationProperties(prefix = "weaviate.datasource") | 
				
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					public class WeaviateProperties { | 
				
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					    private String schema; | 
				
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					    private String host; | 
				
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					    private String port; | 
				
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					    /** | 
				
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					     * 登录认证KEY | 
				
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					     */ | 
				
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					    private String apiKey; | 
				
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					    /** | 
				
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					     * 数据库表名前缀 | 
				
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					     */ | 
				
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					    private String classNamePrefix; | 
				
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					} | 
				
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					package com.hnac.hzims.bigmodel.database.service; | 
				
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					import cn.hutool.http.HttpRequest; | 
				
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					import cn.hutool.http.HttpResponse; | 
				
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					import cn.hutool.json.JSONUtil; | 
				
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					import com.alibaba.fastjson.JSON; | 
				
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					import com.alibaba.fastjson.JSONObject; | 
				
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					import com.google.common.collect.Lists; | 
				
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					import com.google.protobuf.ServiceException; | 
				
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					import com.hnac.hzims.bigmodel.configuration.BigModelInvokeApi; | 
				
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					import com.hnac.hzinfo.exception.HzServiceException; | 
				
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					import io.weaviate.client.base.Result; | 
				
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					import io.weaviate.client.v1.data.api.ObjectCreator; | 
				
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					import io.weaviate.client.v1.data.api.ObjectDeleter; | 
				
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					import io.weaviate.client.v1.data.api.ObjectUpdater; | 
				
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					import io.weaviate.client.v1.data.model.WeaviateObject; | 
				
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					import lombok.RequiredArgsConstructor; | 
				
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					import lombok.extern.slf4j.Slf4j; | 
				
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					import org.springblade.core.tool.utils.BeanUtil; | 
				
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					import org.springblade.core.tool.utils.Func; | 
				
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					import org.springblade.core.tool.utils.StringUtil; | 
				
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					import org.springframework.beans.factory.annotation.Value; | 
				
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					import org.springframework.stereotype.Service; | 
				
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					import org.springframework.util.Assert; | 
				
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					import java.lang.reflect.Field; | 
				
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					import java.nio.ByteBuffer; | 
				
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					import java.nio.ByteOrder; | 
				
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					import java.util.*; | 
				
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					import java.util.stream.Collector; | 
				
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					import java.util.stream.Collectors; | 
				
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					import java.util.stream.IntStream; | 
				
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					/** | 
				
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					 * @Author: huangxing | 
				
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					 * @Date: 2024/08/22 19:17 | 
				
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					 */ | 
				
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					@RequiredArgsConstructor | 
				
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					@Service | 
				
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					@Slf4j | 
				
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					public class WeaviateService { | 
				
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					    private final ObjectCreator objectCreator; | 
				
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					    private final ObjectUpdater objectUpdater; | 
				
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					    private final ObjectDeleter objectDeleter; | 
				
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					    private final BigModelInvokeApi invokeApi; | 
				
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					    @Value("${gglm.vectorUrl}") | 
				
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					    private final String vectorUrl; | 
				
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					    /** | 
				
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					     * 对象保存向量数据库 | 
				
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					     * @param entity 保存对象 | 
				
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					     * @param className 保存表名 | 
				
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					     * @param attrs 待计算的列信息 | 
				
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					     * @return 保存操作结果 | 
				
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					     */ | 
				
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					    public Boolean save(Object entity, String className, List<String> attrs) { | 
				
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					        ObjectCreator creator = objectCreator.withClassName(className); | 
				
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					        if(Func.isNotEmpty(attrs)) { | 
				
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					            JSONObject jsonObject = JSONObject.parseObject(JSON.toJSONString(entity)); | 
				
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					            List<String> vectors = attrs.stream().map(attr -> jsonObject.getString(attr)).collect(Collectors.toList()); | 
				
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					            Float[] compute = this.compute(vectors); | 
				
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					            creator.withVector(compute); | 
				
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					        } | 
				
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					        Result<WeaviateObject> result = creator.withProperties(BeanUtil.toMap(entity)).run(); | 
				
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					        return !result.hasErrors(); | 
				
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					    } | 
				
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					    /** | 
				
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					     * 对象批量保存向量数据库 | 
				
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					     * @param entities 保存对象列表 | 
				
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					     * @param className 保存表名 | 
				
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					     * @param attrsMap 待计算的列信息 key-向量名 value-实体类对象属性,多个按逗号分隔 | 
				
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					     * @return 保存操作结果 | 
				
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					     */ | 
				
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					    public Boolean saveBatch(List entities,String className, Map<String,String> attrsMap) { | 
				
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					        ObjectCreator creator = objectCreator.withClassName(className); | 
				
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					        List<String> vectorStrs = Lists.newArrayList(); | 
				
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					        List<String> attrs = Lists.newArrayList(); | 
				
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					        if(Func.isNotEmpty(attrsMap)) { | 
				
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					            // 格式化数据
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					            attrsMap.forEach((k,v) -> attrs.add(v)); | 
				
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					            // 解析待计算的向量字段
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					            entities.forEach(entity -> { | 
				
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					                List<String> vectorStr = attrs.stream().map(fields -> this.getFieldValue(fields, entity)).filter(Func::isNotEmpty).collect(Collectors.toList()); | 
				
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					                vectorStrs.addAll(vectorStr); | 
				
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					            }); | 
				
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					        } | 
				
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					        if(Func.isNotEmpty(vectorStrs)) { | 
				
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					            // 若解析出来的向量存在值
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					            Float[] vectors = this.compute(vectorStrs); | 
				
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					        } else { | 
				
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					            entities.forEach(entity -> creator.withProperties(BeanUtil.toMap(entity)).run()); | 
				
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					            return true; | 
				
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					        } | 
				
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					        return false; | 
				
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					    } | 
				
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					    /** | 
				
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					     * 拆解计算出来的向量Float[] | 
				
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					     * @param entitySize 对象列表size | 
				
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					     * @param attrsMap 待计算的列信息 key-向量名 value-实体类对象属性,多个按逗号分隔 | 
				
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					     * @param vectorTotal 计算出的向量总量 | 
				
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					     * @return 拆解结果 | 
				
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					     */ | 
				
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					    private List<Map<String,Float[]>> splitVector(Integer entitySize,Map<String,String> attrsMap,Float[] vectorTotal) { | 
				
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					        List<Map<String,Float[]>> result = Lists.newArrayList(); | 
				
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					         | 
				
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					        // 获取待切割的下标
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					        List<Integer> indexes = this.getSplitIndex(vectorTotal.length, entitySize); | 
				
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					        indexes.forEach(index -> { | 
				
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					        }); | 
				
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					        return null; | 
				
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					    } | 
				
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					    /** | 
				
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					     * 获取将list等量分隔成若干份的列表下标 | 
				
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					     * @param size 总数 | 
				
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					     * @param splitNum 分隔数量 | 
				
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					     * @return 下标集合 | 
				
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					     */ | 
				
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					    private List<Integer> getSplitIndex(int size,int splitNum) { | 
				
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					        if(size % splitNum != 0) { | 
				
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					            throw new HzServiceException("向量计算失败,无法根据同步对象进行等量分隔!"); | 
				
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					        } | 
				
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					        return IntStream.iterate(0, index -> index + 1) | 
				
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					                .limit(splitNum) | 
				
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					                .mapToObj(index -> index * (size / splitNum)) | 
				
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					                .collect(Collectors.toList()); | 
				
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					    } | 
				
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					    private String getFieldValue(String fields,Object object) { | 
				
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					        Class clazz = object.getClass(); | 
				
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					        return Func.toStrList(",", fields).stream().map(field -> { | 
				
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					            try { | 
				
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					                Field declaredField = clazz.getDeclaredField(field); | 
				
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					                declaredField.setAccessible(true); | 
				
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					                return declaredField.get(object).toString(); | 
				
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					            } catch (NoSuchFieldException | IllegalAccessException e) { | 
				
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					                return null; | 
				
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					            } | 
				
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					        }).collect(Collectors.joining(" ")); | 
				
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					    } | 
				
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					    /** | 
				
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					     * 计算向量值 | 
				
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					     * @param vectors 待计算的向量 | 
				
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					     * @return 向量值Float[] | 
				
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					     */ | 
				
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					    private Float[] compute(List<String> vectors) { | 
				
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					        // 向量计算
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					        String url = vectorUrl + invokeApi.getCompute(); | 
				
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					        String jsonData = JSONUtil.toJsonStr(vectors); | 
				
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					        HttpResponse response = HttpRequest.post(url) | 
				
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					                .header("Content-Type", "application/json; charset=utf-8") | 
				
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					                .body(jsonData) | 
				
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					                .execute(); | 
				
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					        byte[] bytes = response.bodyBytes(); | 
				
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					        if (bytes.length % 4 != 0) { | 
				
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					            throw new HzServiceException("向量计算失败!响应数据长度不是4的倍数"); | 
				
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					        } | 
				
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					        List<byte[]> chunks = new ArrayList<>(); | 
				
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					        int range = bytes.length / 4; | 
				
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					        IntStream.range(0, range) | 
				
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					                .forEach(index -> { | 
				
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					                    byte[] chunk = new byte[4]; | 
				
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					                    int page = index * 4; | 
				
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					                    chunk[0] = bytes[page]; | 
				
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					                    chunk[1] = bytes[page + 1]; | 
				
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					                    chunk[2] = bytes[page + 2]; | 
				
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					                    chunk[3] = bytes[page + 3]; | 
				
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					                    chunks.add(chunk); | 
				
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					                }); | 
				
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					        List<Float> floats = chunks.stream().map(b -> { | 
				
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					            ByteBuffer buffer = ByteBuffer.wrap(b).order(ByteOrder.LITTLE_ENDIAN); | 
				
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					            return buffer.getFloat(); | 
				
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					        }).collect(Collectors.toList()); | 
				
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					        return floats.toArray(new Float[floats.size()]); | 
				
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					    } | 
				
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					} | 
				
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					package com.hnac.hzims.bigmodel.database.util; | 
				
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					/** | 
				
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					 * @Author: huangxing | 
				
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					 * @Date: 2024/08/23 10:09 | 
				
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					 */ | 
				
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					public class WeaviateUtil { | 
				
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					} | 
				
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