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class="theme-doc-markdown markdown"><header><h1>DataSource Client SDK 的使用</h1></header><blockquote><p>Linkis DataSource 提供了方便的JAVA和SCALA调用的接口，只需要引入linkis-datasource-client的模块就可以进行使用，</p></blockquote><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="1-引入依赖模块"></a>1. 引入依赖模块<a class="hash-link" href="#1-引入依赖模块" title="Direct link to heading">#</a></h2><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI"><pre tabindex="0" class="prism-code language-undefined codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <dependency></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <groupId>org.apache.linkis</groupId></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <artifactId>linkis-datasource-client</artifactId></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <version>${linkis.version}</version></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </dependency></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">如：</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <dependency></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <groupId>org.apache.linkis</groupId></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <artifactId>linkis-datasource-client</artifactId></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <version>1.1.0</version></span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </dependency></span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="2-scala测试代码"></a>2. Scala测试代码<a class="hash-link" href="#2-scala测试代码" title="Direct link to heading">#</a></h2><p>建立Scala的测试类LinkisDataSourceClientTest，具体接口含义可以见注释：</p><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI java"><pre tabindex="0" class="prism-code language-java codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import com.fasterxml.jackson.databind.ObjectMapper</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.common.utils.JsonUtils</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.datasource.client.impl.{LinkisDataSourceRemoteClient, LinkisMetaDataRemoteClient}</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.datasource.client.request.{CreateDataSourceAction, GetAllDataSourceTypesAction, MetadataGetDatabasesAction, UpdateDataSourceParameterAction}</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.datasourcemanager.common.domain.{DataSource, DataSourceType}</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.httpclient.dws.authentication.StaticAuthenticationStrategy</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.linkis.httpclient.dws.config.{DWSClientConfig, DWSClientConfigBuilder}</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import java.io.StringWriter</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import java.util</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import java.util.concurrent.TimeUnit</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">object LinkisDataSourceClientTest {</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> def main(args: Array[String]): Unit = {</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val clientConfig =DWSClientConfigBuilder.newBuilder</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .addServerUrl("http://127.0.0.1:9001") //set linkis-mg-gateway url: http://{ip}:{port}</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .connectionTimeout(30000) //connection timtout</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .discoveryEnabled(false) //disable discovery</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .discoveryFrequency(1, TimeUnit.MINUTES) // discovery frequency</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .loadbalancerEnabled(true) // enable loadbalance</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .maxConnectionSize(5) // set max Connection</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .retryEnabled(false) // set retry</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .readTimeout(30000) //set read timeout</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .setAuthenticationStrategy(new StaticAuthenticationStrategy) //AuthenticationStrategy Linkis authen suppory static and Token</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .setAuthTokenKey("hadoop") // set submit user</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .setAuthTokenValue("xxx") // set passwd or token</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .setDWSVersion("v1") //linkis rest version v1</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .build</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //init datasource remote client </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dataSourceClient = new LinkisDataSourceRemoteClient(clientConfig)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //init metadata remote client</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val metaDataClient = new LinkisMetaDataRemoteClient(clientConfig)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //get all datasource type</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testGetAllDataSourceTypes(dataSourceClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //create kafka datasource</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testCreateDataSourceForKafka(dataSourceClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //create es datasource</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testCreateDataSourceForEs(dataSourceClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //update datasource parameter for kafka</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testUpdateDataSourceParameterForKafka(dataSourceClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //update datasource parameter for es</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testUpdateDataSourceParameterForEs(dataSourceClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> //get hive metadata database list</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> testMetadataGetDatabases(metaDataClient)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def testGetAllDataSourceTypes(client:LinkisDataSourceRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val getAllDataSourceTypesResult = client.getAllDataSourceTypes(GetAllDataSourceTypesAction.builder().setUser("hadoop").build()).getAllDataSourceType</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> System.out.println(getAllDataSourceTypesResult)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def testCreateDataSourceForKafka(client:LinkisDataSourceRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dataSource = new DataSource();</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dataSourceType = new DataSourceType</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSourceType.setName("kafka")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSourceType.setId("2")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSourceType.setLayers(2)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSourceType.setClassifier("消息队列")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSourceType.setDescription("kafka")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setDataSourceType(dataSourceType)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setDataSourceName("kafka-test")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setCreateSystem("client")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setDataSourceTypeId(2l);</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dsJsonWriter = new StringWriter</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val mapper = new ObjectMapper</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> JsonUtils.jackson.writeValue(dsJsonWriter, dataSource)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val map = mapper.readValue(dsJsonWriter.toString,new util.HashMap[String,Any]().getClass)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val id = client.createDataSource(CreateDataSourceAction.builder().setUser("hadoop").addRequestPayloads(map).build()).getInsert_id</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> System.out.println(id)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def testCreateDataSourceForEs(client:LinkisDataSourceRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dataSource = new DataSource();</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setDataSourceName("es-test")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setCreateSystem("client")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> dataSource.setDataSourceTypeId(7l);</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val dsJsonWriter = new StringWriter</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val mapper = new ObjectMapper</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> JsonUtils.jackson.writeValue(dsJsonWriter, dataSource)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val map = mapper.readValue(dsJsonWriter.toString,new util.HashMap[String,Any]().getClass)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val id = client.createDataSource(CreateDataSourceAction.builder().setUser("hadoop").addRequestPayloads(map).build()).getInsert_id</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> System.out.println(id)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def testUpdateDataSourceParameterForKafka(client:LinkisDataSourceRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val params = new util.HashMap[String,Any]()</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val connParams = new util.HashMap[String,Any]()</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> connParams.put("brokers","172.24.2.232:9092")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> params.put("connectParams",connParams)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> params.put("comment","kafka data source")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> client.updateDataSourceParameter(UpdateDataSourceParameterAction.builder().setUser("hadoop").setDataSourceId("7").addRequestPayloads(params).build())</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def testUpdateDataSourceParameterForEs(client:LinkisDataSourceRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val params = new util.HashMap[String,Any]()</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val connParams = new util.HashMap[String,Any]()</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> val elasticUrls = new util.ArrayList[String]()</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> elasticUrls.add("http://172.24.2.231:9200")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> connParams.put("elasticUrls",elasticUrls)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> params.put("connectParams",connParams)</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> params.put("comment","es data source")</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> client.updateDataSourceParameter(UpdateDataSourceParameterAction.builder().setUser("hadoop").setDataSourceId("8").addRequestPayloads(params).build())</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> def testMetadataGetDatabases(client:LinkisMetaDataRemoteClient): Unit ={</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> client.getDatabases(MetadataGetDatabasesAction.builder().setUser("hadoop").setDataSourceId(9l).setUser("hadoop").setSystem("client").build()).getDbs</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/incubator-linkis-website/edit/dev/i18n/zh-CN/docusaurus-plugin-content-docs/current/user_guide/linkis-datasource-client.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>编辑</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/zh-CN/docs/1.1.3/user_guide/console_manual"><div class="pagination-nav__sublabel">上一篇</div><div class="pagination-nav__label">« <!-- -->Linkis 管理台的使用</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/zh-CN/docs/1.1.3/engine_usage/overview"><div class="pagination-nav__sublabel">下一篇</div><div class="pagination-nav__label">总览<!-- --> »</div></a></div></nav></div></div><div class="col col--3"><div class="tableOfContents_vrFS thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#1-引入依赖模块" class="table-of-contents__link">1. 引入依赖模块</a></li><li><a href="#2-scala测试代码" class="table-of-contents__link">2. 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