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HBase的etl初步完成
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@@ -2,6 +2,7 @@ package com.alibaba.otter.canal.client.adapter.hbase;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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@@ -9,8 +10,11 @@ import javax.sql.DataSource;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.client.Connection;
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import org.apache.hadoop.hbase.client.ConnectionFactory;
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import org.apache.hadoop.hbase.client.*;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.alibaba.otter.canal.client.adapter.OuterAdapter;
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import com.alibaba.otter.canal.client.adapter.hbase.config.MappingConfig;
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@@ -29,12 +33,15 @@ import com.alibaba.otter.canal.client.adapter.support.*;
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@SPI("hbase")
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public class HbaseAdapter implements OuterAdapter {
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private static volatile Map<String, MappingConfig> hbaseMapping = null; // 文件名对应配置
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private static volatile Map<String, MappingConfig> mappingConfigCache = null; // 库名-表名对应配置
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private static Logger logger = LoggerFactory.getLogger(HbaseAdapter.class);
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private static volatile Map<String, MappingConfig> hbaseMapping = null; // 文件名对应配置
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private static volatile Map<String, MappingConfig> mappingConfigCache = null; // 库名-表名对应配置
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private Connection conn;
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private HbaseSyncService hbaseSyncService;
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private HbaseTemplate hbaseTemplate;
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private Configuration hbaseConfig;
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@Override
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public void init(OuterAdapterConfig configuration) {
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@@ -55,7 +62,7 @@ public class HbaseAdapter implements OuterAdapter {
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Map<String, String> propertites = configuration.getProperties();
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Configuration hbaseConfig = HBaseConfiguration.create();
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hbaseConfig = HBaseConfiguration.create();
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propertites.forEach(hbaseConfig::set);
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conn = ConnectionFactory.createConnection(hbaseConfig);
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hbaseTemplate = new HbaseTemplate(conn);
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@@ -90,6 +97,28 @@ public class HbaseAdapter implements OuterAdapter {
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}
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}
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@Override
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public Map<String, Object> count(String task) {
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MappingConfig config = hbaseMapping.get(task);
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String hbaseTable = config.getHbaseOrm().getHbaseTable();
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long rowCount = 0L;
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try {
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HTable table = new HTable(hbaseConfig, hbaseTable);
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Scan scan = new Scan();
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scan.setFilter(new FirstKeyOnlyFilter());
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ResultScanner resultScanner = table.getScanner(scan);
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for (Result result : resultScanner) {
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rowCount += result.size();
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}
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} catch (IOException e) {
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logger.error(e.getMessage(), e);
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}
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Map<String, Object> res = new LinkedHashMap<>();
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res.put("hbaseTable", hbaseTable);
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res.put("count", rowCount);
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return res;
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}
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@Override
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public void destroy() {
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if (conn != null) {
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@@ -72,6 +72,7 @@ public class MappingConfigLoader {
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String[] dbTable;
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if (dsKey == null) {
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dbTable = srcMeta.split("\\.");
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} else {
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dbTable = srcMeta.split("@")[0].split("\\.");
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}
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@@ -84,7 +85,7 @@ public class MappingConfigLoader {
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hbaseOrm.setAutoCreateTable(true);
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hbaseOrm.setDatabase(dbTable[0]);
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hbaseOrm.setTable(dbTable[1]);
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hbaseOrm.setMode(MappingConfig.Mode.STRING);
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hbaseOrm.setMode(MappingConfig.Mode.PHOENIX);
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hbaseOrm.setRowKey(rowKey);
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// 有定义rowKey
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if (rowKey != null) {
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@@ -94,6 +95,7 @@ public class MappingConfigLoader {
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hbaseOrm.setRowKeyColumn(columnItem);
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}
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config.setHbaseOrm(hbaseOrm);
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config.setDataSourceKey(dsKey);
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} else {
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throw new RuntimeException(String.format("配置项[%s]内容为空, 或格式不符合database.table", c));
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@@ -68,7 +68,7 @@ public class HbaseEtlService {
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// 判断hbase表是否存在,不存在则建表
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MappingConfig.HbaseOrm hbaseOrm = config.getHbaseOrm();
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if (!hbaseTemplate.tableExists(hbaseOrm.getHbaseTable())) {
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hbaseTemplate.createTable(hbaseOrm.getHbaseTable(), hbaseOrm.getFamilies().toArray(new String[0]));
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hbaseTemplate.createTable(hbaseOrm.getHbaseTable(), hbaseOrm.getFamily());
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}
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} catch (Exception e) {
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logger.error(e.getMessage(), e);
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@@ -3,7 +3,7 @@ hbaseOrm:
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mode: PHOENIX #NATIVE #STRING
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database: mytest # 数据库名
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table: person2 # 数据库表名
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hbaseTable: MYTEST_PERSON2 # HBase表名
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hbaseTable: MYTEST.PERSON2 # HBase表名
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family: CF # 默认统一Family名称
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uppercaseQualifier: true # 字段名转大写, 默认为true
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commitBatch: 3000 # 批量提交的大小
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