escheduler
6 years ago
committed by
GitHub
15 changed files with 173 additions and 12 deletions
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package cn.escheduler.common.job.db; |
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import org.apache.commons.lang3.StringUtils; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.sql.Connection; |
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import java.sql.DriverManager; |
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import java.sql.SQLException; |
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/** |
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* data source of ClickHouse |
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*/ |
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public class ClickHouseDataSource extends BaseDataSource { |
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private static final Logger logger = LoggerFactory.getLogger(ClickHouseDataSource.class); |
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/** |
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* gets the JDBC url for the data source connection |
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* @return |
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*/ |
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@Override |
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public String getJdbcUrl() { |
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String jdbcUrl = getAddress(); |
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if (jdbcUrl.lastIndexOf("/") != (jdbcUrl.length() - 1)) { |
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jdbcUrl += "/"; |
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} |
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jdbcUrl += getDatabase(); |
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if (StringUtils.isNotEmpty(getOther())) { |
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jdbcUrl += "?" + getOther(); |
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} |
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return jdbcUrl; |
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} |
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/** |
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* test whether the data source can be connected successfully |
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* @throws Exception |
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*/ |
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@Override |
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public void isConnectable() throws Exception { |
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Connection con = null; |
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try { |
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Class.forName("ru.yandex.clickhouse.ClickHouseDriver"); |
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con = DriverManager.getConnection(getJdbcUrl(), getUser(), getPassword()); |
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} finally { |
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if (con != null) { |
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try { |
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con.close(); |
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} catch (SQLException e) { |
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logger.error("ClickHouse datasource try conn close conn error", e); |
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throw e; |
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} |
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} |
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} |
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} |
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} |
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