Spring Boot and RESTful API(13)Spring Data SOLR and Partial Update

本文介绍如何使用SpringData SOLR进行文档的部分更新,并展示了如何为SOLR Cloud环境创建定制化的存储库接口及其实现。

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Spring Boot and RESTful API(13)Spring Data SOLR and Partial Update

How to use Spring Data SOLR to query on SOLR7 Cloud

Because cloud has different Collection name, so I need another POJO to host the Annotation
package com.sillycat.jobsmonitorapi.domain;

import org.apache.solr.client.solrj.beans.Field;
import org.springframework.data.annotation.Id;
import org.springframework.data.solr.core.mapping.SolrDocument;

@SolrDocument(solrCoreName = "allJobs")
public class JobCloud {

@Id
@Field
private String id;

@Field("source_id")
private Integer sourceID;

@Field("campaign_id")
private Integer campaignID;

@Field("job_reference")
private String jobReference;

private Boolean paused;

@Field("daily_capped")
private Boolean dailyCapped;

private Boolean deduped;

private Boolean expired;

public JobCloud() {

}

public JobCloud(String id, Integer sourceID, Integer campaignID, String jobReference, Boolean paused,
Boolean dailyCapped, Boolean deduped, Boolean expired) {
this.id = id;
this.sourceID = sourceID;
this.campaignID = campaignID;
this.jobReference = jobReference;
this.paused = paused;
this.dailyCapped = dailyCapped;
this.deduped = deduped;
this.expired = expired;
}

…snip… getter and setter

@Override
public String toString() {
return "JobCloud [id=" + id + ", sourceID=" + sourceID + ", campaignID=" + campaignID + ", jobReference="
+ jobReference + ", paused=" + paused + ", dailyCapped=" + dailyCapped + ", deduped=" + deduped
+ ", expired=" + expired + "]";
}

}

Then the interface will work for us
package com.sillycat.jobsmonitorapi.repository;

import java.util.List;

import org.springframework.data.solr.repository.Query;
import org.springframework.data.solr.repository.SolrCrudRepository;
import org.springframework.stereotype.Repository;
import com.sillycat.jobsmonitorapi.domain.JobCloud;

@Repository
public interface JobCloudRepositorySolr extends SolrCrudRepository<JobCloud, String> {

@Query(fields = { "id", "source_id", "campaign_id", "job_reference", "paused", "daily_capped", "deduped",
"expired" })
List<JobCloud> findBySourceID(Integer sourceID);

@Query(fields = { "id", "source_id", "campaign_id", "job_reference", "paused", "daily_capped", "deduped",
"expired" })
List<JobCloud> findByCampaignID(Integer campaignID);

@Query
int countByCampaignID(Integer campaignID);

}

Then the unit test can run that
package com.sillycat.jobsmonitorapi.repository;

import java.util.List;
import org.apache.http.util.Asserts;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.util.Assert;
import com.sillycat.jobsmonitorapi.domain.JobCloud;

/**
*
* mvn -Dspring.profiles.active=cloud -Dtest=JobCloudRepositorySolrTest test
*
* @author carl
*
*/
@RunWith(SpringRunner.class)
@SpringBootTest
public class JobCloudRepositorySolrTest {

@Autowired
JobCloudRepositorySolr jobCloudRepositorySolr;

@Test
public void dummy() {
Asserts.notEmpty("Good", "Good dummy.");
}

@Test
public void queryBySourceID() throws Exception {
List<JobCloud> jobs = jobCloudRepositorySolr.findBySourceID(529);
Assert.notEmpty(jobs, "Fail to queryBySourceID from SOLR");
List<JobCloud> jobEmptys = jobCloudRepositorySolr.findBySourceID(9529);
Assert.isTrue(jobEmptys.isEmpty(), "Fail to filter out other sourceID");
}

}

Partial Update
We need to implement the interface ourself.
package com.sillycat.jobsmonitorapi.repository;

import java.util.List;
import com.sillycat.jobsmonitorapi.domain.JobCloud;

public interface JobCloudPartialRepositorySolr {

public void update(JobCloud job, Boolean commit);

public void updateAll(List<JobCloud> jobs, Boolean commit);
}

The implementation is easy in DATA-SOLR
package com.sillycat.jobsmonitorapi.repository;

import java.util.ArrayList;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.data.solr.core.SolrTemplate;
import org.springframework.data.solr.core.query.PartialUpdate;
import org.springframework.stereotype.Repository;
import com.sillycat.jobsmonitorapi.domain.JobCloud;

@Repository
public class JobCloudPartialRepositorySolrImpl implements JobCloudPartialRepositorySolr {

private static final String COLLECTION_NAME = "allJobs";

@Resource
private SolrTemplate solrTemplate;

public void update(JobCloud job, Boolean commit) {
PartialUpdate update = new PartialUpdate("id", job.getId());

update.add("source_id", job.getSourceID());
update.add("campaign_id", job.getCampaignID());
update.add("job_reference", job.getJobReference());
update.add("paused", job.getPaused());
update.add("daily_capped", job.getDailyCapped());
update.add("deduped", job.getDeduped());
update.add("expired", job.getExpired());

solrTemplate.saveBean(COLLECTION_NAME, update);
if (commit) {
solrTemplate.commit(COLLECTION_NAME);
}
}

public void updateAll(List<JobCloud> jobs, Boolean commit) {
List<PartialUpdate> updates = new ArrayList<PartialUpdate>();
for (int i = 0; i < jobs.size(); i++) {
JobCloud job = jobs.get(i);
PartialUpdate update = new PartialUpdate("id", job.getId());
update.add("source_id", job.getSourceID());
update.add("campaign_id", job.getCampaignID());
update.add("job_reference", job.getJobReference());
update.add("paused", job.getPaused());
update.add("daily_capped", job.getDailyCapped());
update.add("deduped", job.getDeduped());
update.add("expired", job.getExpired());
updates.add(update);
}
solrTemplate.saveBeans(COLLECTION_NAME, updates);
if (commit) {
solrTemplate.commit(COLLECTION_NAME);
}
}

}

This unit test can cover that.
package com.sillycat.jobsmonitorapi.repository;

import org.apache.http.util.Asserts;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.sillycat.jobsmonitorapi.domain.JobCloud;

/**
*
* mvn -Dspring.profiles.active=cloud -Dtest=JobCloudPartialRepositorySolrTest
* test
*
* @author carl
*
*/
@RunWith(SpringRunner.class)
@SpringBootTest
public class JobCloudPartialRepositorySolrTest {

@Autowired
JobCloudPartialRepositorySolr jobCloudPartialRepositorySolr;

@Test
public void dummy() {
Asserts.notEmpty("Good", "Good dummy.");
}

@Test
public void save() {
JobCloud jobCloud = new JobCloud("4689886470", 5639, 9240, "248b74f29637014594709f3358f201ce", false, false, false, false);
jobCloudPartialRepositorySolr.update(jobCloud, true);
}
}


References:
http://sillycat.iteye.com/blog/2379731 Spring Boot and Spring Data SOLR

https://github.com/spring-projects/spring-data-solr/blob/master/README.md

https://www.petrikainulainen.net/programming/solr/spring-data-solr-tutorial-crud-almost/
https://www.petrikainulainen.net/programming/solr/spring-data-solr-tutorial-adding-custom-methods-to-a-single-repository/
https://lucene.apache.org/solr/guide/7_1/updating-parts-of-documents.html
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