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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 org.apache.dolphinscheduler.dao;
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import org.apache.dolphinscheduler.dao.entity.MonitorRecord;
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import org.apache.dolphinscheduler.dao.utils.H2Performance;
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import org.apache.dolphinscheduler.dao.utils.MySQLPerformance;
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import org.apache.dolphinscheduler.dao.utils.PostgreSQLPerformance;
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import org.apache.dolphinscheduler.spi.enums.DbType;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.util.ArrayList;
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import java.util.List;
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import javax.sql.DataSource;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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@Component
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@Slf4j
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public class MonitorDBDao {
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public static final String VARIABLE_NAME = "variable_name";
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@Autowired
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private DataSource dataSource;
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private MonitorRecord getCurrentDbPerformance() {
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try (final Connection conn = dataSource.getConnection()) {
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String driverClassName = DriverManager.getDriver(conn.getMetaData().getURL()).getClass().getName();
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if (driverClassName.contains(DbType.MYSQL.toString().toLowerCase())) {
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return new MySQLPerformance().getMonitorRecord(conn);
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} else if (driverClassName.contains(DbType.POSTGRESQL.toString().toLowerCase())) {
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return new PostgreSQLPerformance().getMonitorRecord(conn);
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} else if (driverClassName.contains(DbType.H2.toString().toLowerCase())) {
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return new H2Performance().getMonitorRecord(conn);
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}
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} catch (Exception e) {
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log.error("SQLException: {}", e.getMessage(), e);
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}
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return null;
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}
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/**
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* query database state
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*
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* @return MonitorRecord list
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*/
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public List<MonitorRecord> queryDatabaseState() {
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List<MonitorRecord> list = new ArrayList<>(1);
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MonitorRecord monitorRecord = getCurrentDbPerformance();
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if (monitorRecord != null) {
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list.add(monitorRecord);
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}
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return list;
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}
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}
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