solrJ项目开发的示例分析，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
solrJ操作类 SolrService
package com.youxuepai.res.assistant.service.solr;
import com.youxuepai.res.assistant.dto.solr.BasicQueryParamDTO;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.common.SolrInputDocument;
/**
* Interface SolrService ... solr操作教辅资源
*
* @author gaobo
* @group
* @date 2019/8/22
*/
public interface SolrService {
/**
* solr添加List对象列表
*/
<T> void saveOrUpdate(List<T> beans, SolrClient client);
/**
* solr添加Obj对象
*/
<T> void saveOrUpdate(T beans, SolrClient client);
/**
* 原子更新solr
* 只根据ID更新部分字段
* @param bean
* @param client
* @param <T>
*/
<T> void atmoUpdate(T bean, SolrClient client);
/**
* solr根据Id删除对象索引
* @param id
* @return
*/
boolean deleteById(String id,SolrClient client);
/**
* 转换javabean对象为查询params.
*
* @param bean 添加入solr的实体类
*/
<T> SolrQuery ConvertQueryParam(T bean);
<T> SolrInputDocument beanToSolrMap(T bean);
/**
* 查询solr数据
*
* @param client solr实例
* @param queryParam 过滤参数bean
* @param bean 基础查询信息bean
*/
<T> QueryResponse queryByBean(
SolrClient client,
BasicQueryParamDTO queryParam,
T bean) throws IOException, SolrServerException;
/**
* 查询solr数据
*
* @param client solr实例
* @param queryParam 过滤参数bean
*/
<T> QueryResponse queryByBean(
SolrClient client,
BasicQueryParamDTO queryParam
) throws IOException, SolrServerException;
/**
* 查询solr数据
*
* @param client solr实例
* @param bean 基础查询信息bean
*/
<T> QueryResponse queryByBean(
SolrClient client,
T bean) throws IOException, SolrServerException;
}solrJ操作类 SolrServiceImpl
package com.youxuepai.res.assistant.service.solr.impl;
import com.youxuepai.res.assistant.dto.solr.BasicQueryParamDTO;
import com.youxuepai.res.assistant.service.solr.SolrService;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrQuery.ORDER;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.beans.DocumentObjectBinder;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.SolrInputField;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
/**
* 类 SolrServiceImpl 公共添加solr方法
*
* @author gaobo
* @group
* @date 2019/8/22
*/
@Service
public class SolrServiceImpl implements SolrService {
Logger logger = LoggerFactory.getLogger(SolrServiceImpl.class);
DocumentObjectBinder binder = new DocumentObjectBinder();
/**
* solr添加对象列表
*/
@Override
public <T> void saveOrUpdate(List<T> beans, SolrClient client) {
for (T bean : beans) {
saveOrUpdate(bean, client);
}
try {
client.commit();
} catch (SolrServerException | IOException e) {
logger.error("保存文档出错," + beans.size(), e);
throw new RuntimeException(e.getMessage());
}
}
@Override
public <T> void saveOrUpdate(T beans, SolrClient client) {
SolrInputDocument doc = binder.toSolrInputDocument(beans);
try {
client.add(doc);
client.commit();
} catch (Exception e) {
logger.error("保存文档出错," + doc.toString(), e);
throw new RuntimeException(e.getMessage());
}
}
final String PRIMARY_KEY = "assistantResourceId";
/**
* 原子更新solr
* 只根据ID更新部分字段
* @param bean
* @param client
* @param <T>
*/
@Override
public <T> void atmoUpdate(T bean, SolrClient client) {
SolrInputDocument doc = beanToSolrMap(bean);
try {
client.add(doc);
client.commit();
} catch (Exception e) {
logger.error("保存文档出错," + doc.toString(), e);
throw new RuntimeException(e.getMessage());
}
}
/**
* solr根据Id删除对象索引
* @param id
* @return
*/
@Override
public boolean deleteById(String id,SolrClient client) {
try {
client.deleteById(id);
client.commit();
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
/**
* 转换javabean对象为查询params.
*
* @param bean 添加入solr的实体类
*/
@Override
public <T> SolrQuery ConvertQueryParam(T bean) {
Map<String, Object> paramMap = beanToMap(bean);
// 添加默认参数
SolrQuery solrQuery = new SolrQuery();
paramMap.entrySet().forEach(
filterMap -> solrQuery.addFilterQuery(filterMap.getKey() + ":" + filterMap.getValue())
);
return solrQuery;
}
private <T> Map<String, Object> beanToMap(T bean){
SolrInputDocument doc = binder.toSolrInputDocument(bean);
Collection<SolrInputField> values = doc.values();
return values.stream()
.filter(entity -> entity.getValue() != null && !entity.getValue().equals(""))
.collect(Collectors.toMap(map -> map.getName(), map -> map.getValue()));
}
@Override
public <T> SolrInputDocument beanToSolrMap(T bean) {
Map<String, Object> paramMap = beanToMap(bean);
SolrInputDocument inputDoc = new SolrInputDocument();
for (String field : paramMap.keySet()) {
Map<String, Object> fieldMap = new HashMap<>(16);
if (field.equals(PRIMARY_KEY)) {
inputDoc.setField(PRIMARY_KEY, paramMap.get(field));
} else {
fieldMap.put("set", paramMap.get(field));
inputDoc.setField(field, fieldMap);
}
}
return inputDoc;
}
/**
* 查询solr数据
* @param client solr实例
* @param queryParam 过滤参数bean
* @param bean 基础查询信息bean
* @param <T>
* @return
* @throws IOException
* @throws SolrServerException
*/
@Override
public <T> QueryResponse queryByBean(SolrClient client, BasicQueryParamDTO queryParam, T bean)
throws IOException, SolrServerException {
SolrQuery solrQuery = new SolrQuery();
if (bean != null) {
solrQuery = this.ConvertQueryParam(bean);
}
solrQuery.set("q", "*:*");
if (queryParam != null) {
boolean isKeywords = queryParam.getKeywords() != null;
boolean isPage = queryParam.getPageNo() != null && queryParam.getPageSize() != null;
boolean isRank = queryParam.getRankParm()!=null;
// 搜索关键字是否有值
if (isKeywords) {
solrQuery.remove("q");
solrQuery.set("q", "content:" + "*" + queryParam.getKeywords() + "*");
}
//是否分页
if (isPage) {
solrQuery.setStart((queryParam.getPageNo() - 1) * queryParam.getPageSize());
solrQuery.setRows(queryParam.getPageSize());
}
//是否排序
if (isRank) {
if (queryParam.getRankType() != null && queryParam.getRankType() == 1) {
solrQuery.addSort(queryParam.getRankParm(), SolrQuery.ORDER.desc);
} else if (queryParam.getRankType() != null && queryParam.getRankType() == 2) {
solrQuery.addSort(queryParam.getRankParm(), ORDER.asc);
} else {
solrQuery.addSort(queryParam.getRankParm(), SolrQuery.ORDER.desc);
}
}
}
QueryResponse response = client.query(solrQuery);
return response;
}
/**
* 查询solr数据
* @param client solr实例
* @param queryParam 过滤参数bean
* @param <T>
* @return
* @throws IOException
* @throws SolrServerException
*/
@Override
public <T> QueryResponse queryByBean(SolrClient client, BasicQueryParamDTO queryParam)
throws IOException, SolrServerException {
return this.queryByBean(client, queryParam,null);
}
/**
* 查询solr数据
* @param client solr实例
* @param bean 基础查询信息bean
* @param <T>
* @return
* @throws IOException
* @throws SolrServerException
*/
@Override
public <T> QueryResponse queryByBean(SolrClient client, T bean)
throws IOException, SolrServerException {
return this.queryByBean(client, null, bean);
}
}solrClient 对象获取 SolrClientService
package com.youxuepai.res.assistant.service.solr;
import org.apache.solr.client.solrj.SolrClient;
/**
* Interface SolrClientService ...
* 获取solr实例
* @group
* @author gaobo
* @date 2019/9/5
*/
public interface SolrClientService {
/**
* 获取教辅资源solr核心client
* @return SolrClient
*/
SolrClient getAssResourceSolrClient();
}solrClient 对象获取 SolrClientServiceImpl
package com.youxuepai.res.assistant.service.solr.impl;
import com.youxuepai.res.assistant.common.solr.SolrHandler;
import com.youxuepai.res.assistant.service.solr.SolrClientService;
import org.apache.solr.client.solrj.SolrClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
/**
* 类 SolrClientServiceImpl
* 获取solr实例Service
* @group
* @author gaobo
* @date 2019/8/23
*/
@Service
public class SolrClientServiceImpl implements SolrClientService {
@Value("${solr.host}")
private String solrHost;
@Value("${solr.assistantResourceCoreName}")
private String assResourceCoreName;
/**
* 获取教辅资源solr核心client
* @return SolrClient
*/
@Override
public SolrClient getAssResourceSolrClient() {
String solrUrl = solrHost + assResourceCoreName;
SolrHandler instance = SolrHandler.getInstance(solrUrl);
return instance.getClient();
}
}solr操作dto AssistantResource
package com.youxuepai.res.assistant.entity;
import com.baomidou.mybatisplus.annotation.TableId;
import java.io.Serializable;
import java.util.Date;
import org.apache.solr.client.solrj.beans.Field;
/**
* <p>
* 教辅资源 主表
* </p>
*
* @author ${author}
* @since 2019-08-12
*/
public class AssistantResource implements Serializable {
private static final long serialVersionUID = 1L;
@TableId
@Field("assistantResourceId")
private String assistantResourceId;
/**
* 关联的教辅ID,在教材知识体系中
*/
@Field("assistantId")
private Integer assistantId;
/**
* 教辅名称,来自教材知识体系中
*/
@Field("assistantName")
private String assistantName;
/**
* 教辅资源名称，由系统生成
*/
private String resourceName;
/**
* ISBN 格式如 978-7-107-18617-5
*/
@Field("isbn")
private String isbn;
/**
* 教辅项目编码
*/
@Field("projectCode")
private String projectCode;
/**
* 教辅品牌ID
*/
@Field("assistantBrandId")
private Integer brandId;
/**
* 学段ID
*/
@Field("periodId")
private Integer periodId;
/**
* 科目ID
*/
@Field("subjectId")
private Integer subjectId;
/**
* 版本ID
*/
@Field("editionId")
private Integer editionId;
/**
* 学制ID
*/
@Field("eduSystem")
private Integer eduSystem;
/**
* 封面图url
*/
@Field("coverUrl")
private String coverUrl;
/**
* 教辅简介
*/
@Field("introduce")
private String introduce;
/**
* 必选修
*/
@Field("volumneId")
private Integer volumneId;
/**
* 关联教材目录数量
*/
@Field("chaptersNum")
private String chaptersNum;
/**
* 年级ID
*/
@Field("gradeId")
private Integer gradeId;
/**
* 是否删除 0-未删除，1-已删除
*/
private Integer isDeleted;
/**
* 是否添加素材 0-未添加，1-已添加
*/
@Field("materialStatus")
private Integer materialStatus;
/**
* 素材上传的URL,基目录
*/
private String materialUrl;
/**
* 发布状态
*/
@Field("publishStatus")
private Integer publishStatus;
/**
* 是否锁定目录,0-未锁定，1-锁定
*/
private Integer lockStatus;
/**
* 是否导入源文件,0-未导入，1-已导入
*/
@Field("importSourceStatus")
private Integer importSourceStatus;
/**
* 是否导入资源zip包,0-未导入，1-已导入
*/
@Field("importZipStatus")
private Integer importZipStatus;
/**
* 是否生成资源zip包,0-未生成，1-已生成
*/
@Field("generateZipStatus")
private Integer generateZipStatus;
@Field("created")
private Date created;
private String createdBy;
@Field("updated")
private Date updated;
private String updatedBy;
public String getAssistantResourceId() {
return assistantResourceId;
}
public void setAssistantResourceId(String assistantResourceId) {
this.assistantResourceId = assistantResourceId;
}
public Integer getAssistantId() {
return assistantId;
}
public void setAssistantId(Integer assistantId) {
this.assistantId = assistantId;
}
public String getAssistantName() {
return assistantName;
}
public void setAssistantName(String assistantName) {
this.assistantName = assistantName;
}
public String getResourceName() {
return resourceName;
}
public void setResourceName(String resourceName) {
this.resourceName = resourceName;
}
public String getIsbn() {
return isbn;
}
public void setIsbn(String isbn) {
this.isbn = isbn;
}
public String getProjectCode() {
return projectCode;
}
public void setProjectCode(String projectCode) {
this.projectCode = projectCode;
}
public Integer getBrandId() {
return brandId;
}
public void setBrandId(Integer brandId) {
this.brandId = brandId;
}
public Integer getPeriodId() {
return periodId;
}
public void setPeriodId(Integer periodId) {
this.periodId = periodId;
}
public Integer getSubjectId() {
return subjectId;
}
public void setSubjectId(Integer subjectId) {
this.subjectId = subjectId;
}
public Integer getEditionId() {
return editionId;
}
public void setEditionId(Integer editionId) {
this.editionId = editionId;
}
public Integer getEduSystem() {
return eduSystem;
}
public void setEduSystem(Integer eduSystem) {
this.eduSystem = eduSystem;
}
public String getCoverUrl() {
return coverUrl;
}
public void setCoverUrl(String coverUrl) {
this.coverUrl = coverUrl;
}
public String getIntroduce() {
return introduce;
}
public void setIntroduce(String introduce) {
this.introduce = introduce;
}
public Integer getVolumneId() {
return volumneId;
}
public void setVolumneId(Integer volumneId) {
this.volumneId = volumneId;
}
public String getChaptersNum() {
return chaptersNum;
}
public void setChaptersNum(String chaptersNum) {
this.chaptersNum = chaptersNum;
}
public Integer getGradeId() {
return gradeId;
}
public void setGradeId(Integer gradeId) {
this.gradeId = gradeId;
}
public Integer getIsDeleted() {
return isDeleted;
}
public void setIsDeleted(Integer isDeleted) {
this.isDeleted = isDeleted;
}
public Integer getMaterialStatus() {
return materialStatus;
}
public void setMaterialStatus(Integer materialStatus) {
this.materialStatus = materialStatus;
}
public String getMaterialUrl() {
return materialUrl;
}
public void setMaterialUrl(String materialUrl) {
this.materialUrl = materialUrl;
}
public Integer getPublishStatus() {
return publishStatus;
}
public void setPublishStatus(Integer publishStatus) {
this.publishStatus = publishStatus;
}
public Integer getLockStatus() {
return lockStatus;
}
public void setLockStatus(Integer lockStatus) {
this.lockStatus = lockStatus;
}
public Integer getImportSourceStatus() {
return importSourceStatus;
}
public void setImportSourceStatus(Integer importSourceStatus) {
this.importSourceStatus = importSourceStatus;
}
public Integer getImportZipStatus() {
return importZipStatus;
}
public void setImportZipStatus(Integer importZipStatus) {
this.importZipStatus = importZipStatus;
}
public Integer getGenerateZipStatus() {
return generateZipStatus;
}
public void setGenerateZipStatus(Integer generateZipStatus) {
this.generateZipStatus = generateZipStatus;
}
public Date getCreated() {
return created;
}
public void setCreated(Date created) {
this.created = created;
}
public String getCreatedBy() {
return createdBy;
}
public void setCreatedBy(String createdBy) {
this.createdBy = createdBy;
}
public Date getUpdated() {
return updated;
}
public void setUpdated(Date updated) {
this.updated = updated;
}
public String getUpdatedBy() {
return updatedBy;
}
public void setUpdatedBy(String updatedBy) {
this.updatedBy = updatedBy;
}
@Override
public String toString() {
return "AssistantResource{" +
"assistantResourceId='" + assistantResourceId + '\'' +
", assistantId=" + assistantId +
", assistantName='" + assistantName + '\'' +
", resourceName='" + resourceName + '\'' +
", isbn='" + isbn + '\'' +
", projectCode='" + projectCode + '\'' +
", brandId=" + brandId +
", periodId=" + periodId +
", subjectId=" + subjectId +
", editionId=" + editionId +
", eduSystem=" + eduSystem +
", coverUrl='" + coverUrl + '\'' +
", introduce='" + introduce + '\'' +
", volumneId=" + volumneId +
", chaptersNum='" + chaptersNum + '\'' +
", gradeId=" + gradeId +
", isDeleted=" + isDeleted +
", materialStatus=" + materialStatus +
", materialUrl='" + materialUrl + '\'' +
", publishStatus=" + publishStatus +
", lockStatus=" + lockStatus +
", importSourceStatus=" + importSourceStatus +
", importZipStatus=" + importZipStatus +
", generateZipStatus=" + generateZipStatus +
", created=" + created +
", createdBy='" + createdBy + '\'' +
", updated=" + updated +
", updatedBy='" + updatedBy + '\'' +
'}';
}
}
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