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Source Code for Connector/J 8.0.31 - User Impl
Where to get the Java source code for Connector/J 8.0 User Impl module?
✍: FYIcenter.com
Java source code files for Connector/J 8.0 User Impl module are:
⏎ com/mysql/cj/jdbc/interceptors/ServerStatusDiffInterceptor.java
/* * Copyright (c) 2007, 2020, Oracle and/or its affiliates. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License, version 2.0, as published by the * Free Software Foundation. * * This program is also distributed with certain software (including but not * limited to OpenSSL) that is licensed under separate terms, as designated in a * particular file or component or in included license documentation. The * authors of MySQL hereby grant you an additional permission to link the * program and your derivative works with the separately licensed software that * they have included with MySQL. * * Without limiting anything contained in the foregoing, this file, which is * part of MySQL Connector/J, is also subject to the Universal FOSS Exception, * version 1.0, a copy of which can be found at * http://oss.oracle.com/licenses/universal-foss-exception. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, * for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ package com.mysql.cj.jdbc.interceptors; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.HashMap; import java.util.Map; import java.util.Properties; import java.util.function.Supplier; import com.mysql.cj.MysqlConnection; import com.mysql.cj.Query; import com.mysql.cj.exceptions.ExceptionFactory; import com.mysql.cj.interceptors.QueryInterceptor; import com.mysql.cj.jdbc.JdbcConnection; import com.mysql.cj.log.Log; import com.mysql.cj.protocol.Resultset; import com.mysql.cj.protocol.ServerSession; import com.mysql.cj.util.Util; public class ServerStatusDiffInterceptor implements QueryInterceptor { private Map<String, String> preExecuteValues = new HashMap<>(); private Map<String, String> postExecuteValues = new HashMap<>(); private JdbcConnection connection; private Log log; @Override public QueryInterceptor init(MysqlConnection conn, Properties props, Log l) { this.connection = (JdbcConnection) conn; this.log = l; return this; } @Override public <T extends Resultset> T postProcess(Supplier<String> sql, Query interceptedQuery, T originalResultSet, ServerSession serverSession) { populateMapWithSessionStatusValues(this.postExecuteValues); this.log.logInfo("Server status change for query:\n" + Util.calculateDifferences(this.preExecuteValues, this.postExecuteValues)); return null; // we don't actually modify a result set } private void populateMapWithSessionStatusValues(Map<String, String> toPopulate) { try { try (Statement stmt = this.connection.createStatement()) { toPopulate.clear(); try (ResultSet rs = stmt.executeQuery("SHOW SESSION STATUS")) { while (rs.next()) { toPopulate.put(rs.getString(1), rs.getString(2)); } } } } catch (SQLException ex) { throw ExceptionFactory.createException(ex.getMessage(), ex); } } @Override public <T extends Resultset> T preProcess(Supplier<String> sql, Query interceptedQuery) { populateMapWithSessionStatusValues(this.preExecuteValues); return null; // we don't actually modify a result set } @Override public boolean executeTopLevelOnly() { return true; } @Override public void destroy() { this.connection = null; this.log = null; } }
⏎ com/mysql/cj/jdbc/interceptors/ServerStatusDiffInterceptor.java
Or download all of them as a single archive file:
File name: mysql-connector-java-user-impl-8.0.31.zip File size: 429580 bytes Release date: 2022-09-03 Download
⇒ Downloading mysql-connector-java-5.1.40.zip
⇐ Source Code for Connector/J 8.0.31 - User API
2023-05-09, 7711👍, 0💬
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