这篇文章主要介绍“怎么在springboot中集成hbase”,在日常操作中,相信很多人在怎么在springboot中集成hbase问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”怎么在springboot中集成hbase”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
依赖:
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-hadoop-hbase</artifactId>
<version>2.5.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-client</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-hadoop</artifactId>
<version>2.5.0.RELEASE</version>
</dependency>
增加配置
官方提供的方式是通过xml方式,简单改写后如下:
@Configuration
public class HBaseConfiguration {
@Value("${hbase.zookeeper.quorum}")
private String zookeeperQuorum;
@Value("${hbase.zookeeper.property.clientPort}")
private String clientPort;
@Value("${zookeeper.znode.parent}")
private String znodeParent;
@Bean
public HbaseTemplate hbaseTemplate() {
org.apache.hadoop.conf.Configuration conf = new org.apache.hadoop.conf.Configuration();
conf.set("hbase.zookeeper.quorum", zookeeperQuorum);
conf.set("hbase.zookeeper.property.clientPort", clientPort);
conf.set("zookeeper.znode.parent", znodeParent);
return new HbaseTemplate(conf);
}
}
application.yml:
hbase:
zookeeper:
quorum: hadoop001,hadoop002,hadoop003
property:
clientPort: 2181
zookeeper:
znode:
parent: /hbase
HbaseTemplate test :
@Service
@Slf4j
public class HBaseService {
@Autowired
private HbaseTemplate hbaseTemplate;
public List<Result> getRowKeyAndColumn(String tableName, String startRowkey, String stopRowkey, String column, String qualifier) {
FilterList filterList = new FilterList(FilterList.Operator.MUST_PASS_ALL);
if (StringUtils.isNotBlank(column)) {
log.debug("{}", column);
filterList.addFilter(new FamilyFilter(CompareFilter.CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes(column))));
}
if (StringUtils.isNotBlank(qualifier)) {
log.debug("{}", qualifier);
filterList.addFilter(new QualifierFilter(CompareFilter.CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes(qualifier))));
}
Scan scan = new Scan();
if (filterList.getFilters().size() > 0) {
scan.setFilter(filterList);
}
scan.setStartRow(Bytes.toBytes(startRowkey));
scan.setStopRow(Bytes.toBytes(stopRowkey));
return hbaseTemplate.find(tableName, scan, (rowMapper, rowNum) -> rowMapper);
}
public List<Result> getListRowkeyData(String tableName, List<String> rowKeys, String familyColumn, String column) {
return rowKeys.stream().map(rk -> {
if (StringUtils.isNotBlank(familyColumn)) {
if (StringUtils.isNotBlank(column)) {
return hbaseTemplate.get(tableName, rk, familyColumn, column, (rowMapper, rowNum) -> rowMapper);
} else {
return hbaseTemplate.get(tableName, rk, familyColumn, (rowMapper, rowNum) -> rowMapper);
}
}
return hbaseTemplate.get(tableName, rk, (rowMapper, rowNum) -> rowMapper);
}).collect(Collectors.toList());
}
}
到此,关于“怎么在springboot中集成hbase”的学习就结束了,希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习,快去试试吧!若想继续学习更多相关知识,请继续关注亿速云网站,小编会继续努力为大家带来更多实用的文章!
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