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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.seata.core.store.db;
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import org.apache.seata.common.exception.StoreException;
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import org.apache.seata.common.executor.Initialize;
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import org.apache.seata.common.util.ConfigTools;
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import org.apache.seata.common.util.StringUtils;
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import org.apache.seata.config.Configuration;
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import org.apache.seata.config.ConfigurationFactory;
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import org.apache.seata.core.constants.ConfigurationKeys;
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import org.apache.seata.core.constants.DBType;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.sql.DataSource;
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import java.io.File;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.Stream;
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import static org.apache.seata.common.DefaultValues.DEFAULT_DB_MAX_CONN;
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import static org.apache.seata.common.DefaultValues.DEFAULT_DB_MIN_CONN;
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/**
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* The abstract datasource provider
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*
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*/
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public abstract class AbstractDataSourceProvider implements DataSourceProvider, Initialize {
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private static final Logger LOGGER = LoggerFactory.getLogger(AbstractDataSourceProvider.class);
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private DataSource dataSource;
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/**
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* The constant CONFIG.
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*/
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protected static final Configuration CONFIG = ConfigurationFactory.getInstance();
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private final static String MYSQL_DRIVER_CLASS_NAME = "com.mysql.jdbc.Driver";
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private final static String MYSQL8_DRIVER_CLASS_NAME = "com.mysql.cj.jdbc.Driver";
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private final static String MYSQL_DRIVER_FILE_PREFIX = "mysql-connector-java-";
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private final static Map<String, ClassLoader> MYSQL_DRIVER_LOADERS;
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private static final long DEFAULT_DB_MAX_WAIT = 5000;
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static {
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MYSQL_DRIVER_LOADERS = createMysqlDriverClassLoaders();
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}
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@Override
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public void init() {
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this.dataSource = generate();
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}
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@Override
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public DataSource provide() {
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return this.dataSource;
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}
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public DataSource generate() {
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validate();
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return doGenerate();
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}
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public void validate() {
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//valid driver class name
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String driverClassName = getDriverClassName();
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// ClassLoader loader = getDriverClassLoader();
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// if (null == loader) {
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// throw new StoreException("class loader set error, you should not use the Bootstrap classloader");
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// }
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try {
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// loader.loadClass(driverClassName);
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Class.forName(driverClassName);
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} catch (ClassNotFoundException exx) {
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String driverClassPath = null;
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String folderPath = System.getProperty("loader.path");
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if (null != folderPath) {
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driverClassPath = folderPath + "/jdbc/";
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}
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throw new StoreException(String.format(
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"The driver {%s} cannot be found in the path %s. Please ensure that the appropriate database driver dependencies are included in the classpath.", driverClassName, driverClassPath));
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}
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}
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/**
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* generate the datasource
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* @return datasource
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*/
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public abstract DataSource doGenerate();
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/**
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* Get db type db type.
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*
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* @return the db type
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*/
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protected DBType getDBType() {
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return DBType.valueof(CONFIG.getConfig(ConfigurationKeys.STORE_DB_TYPE));
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}
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/**
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* get db driver class name
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*
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* @return the db driver class name
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*/
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protected String getDriverClassName() {
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String driverClassName = CONFIG.getConfig(ConfigurationKeys.STORE_DB_DRIVER_CLASS_NAME);
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if (StringUtils.isBlank(driverClassName)) {
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throw new StoreException(
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String.format("the {%s} can't be empty", ConfigurationKeys.STORE_DB_DRIVER_CLASS_NAME));
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}
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return driverClassName;
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}
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/**
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* get db max wait
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*
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* @return the db max wait
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*/
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protected Long getMaxWait() {
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Long maxWait = CONFIG.getLong(ConfigurationKeys.STORE_DB_MAX_WAIT, DEFAULT_DB_MAX_WAIT);
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return maxWait;
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}
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protected ClassLoader getDriverClassLoader() {
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return MYSQL_DRIVER_LOADERS.getOrDefault(getDriverClassName(), ClassLoader.getSystemClassLoader());
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}
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private static Map<String, ClassLoader> createMysqlDriverClassLoaders() {
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Map<String, ClassLoader> loaders = new HashMap<>();
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String cp = System.getProperty("java.class.path");
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if (cp == null || cp.isEmpty()) {
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return loaders;
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}
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Stream.of(cp.split(File.pathSeparator))
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.map(File::new)
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.filter(File::exists)
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.map(file -> file.isFile() ? file.getParentFile() : file)
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.filter(Objects::nonNull)
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.filter(File::isDirectory)
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.map(file -> new File(file, "jdbc"))
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.filter(File::exists)
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.filter(File::isDirectory)
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.distinct()
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.flatMap(file -> {
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File[] files = file.listFiles((f, name) -> name.startsWith(MYSQL_DRIVER_FILE_PREFIX));
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if (files != null) {
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return Stream.of(files);
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} else {
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return Stream.of();
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}
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})
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.forEach(file -> {
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if (loaders.containsKey(MYSQL8_DRIVER_CLASS_NAME) && loaders.containsKey(MYSQL_DRIVER_CLASS_NAME)) {
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return;
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}
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try {
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URL url = file.toURI().toURL();
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ClassLoader loader = new URLClassLoader(new URL[]{url}, ClassLoader.getSystemClassLoader());
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try {
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loader.loadClass(MYSQL8_DRIVER_CLASS_NAME);
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loaders.putIfAbsent(MYSQL8_DRIVER_CLASS_NAME, loader);
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} catch (ClassNotFoundException e) {
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loaders.putIfAbsent(MYSQL_DRIVER_CLASS_NAME, loader);
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}
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} catch (MalformedURLException ignore) {
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}
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});
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return loaders;
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}
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/**
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* Get url string.
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*
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* @return the string
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*/
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protected String getUrl() {
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String url = CONFIG.getConfig(ConfigurationKeys.STORE_DB_URL);
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if (StringUtils.isBlank(url)) {
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throw new StoreException(String.format("the {%s} can't be empty", ConfigurationKeys.STORE_DB_URL));
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}
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return url;
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}
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/**
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* Get user string.
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*
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* @return the string
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*/
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protected String getUser() {
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String user = CONFIG.getConfig(ConfigurationKeys.STORE_DB_USER);
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if (StringUtils.isBlank(user)) {
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throw new StoreException(String.format("the {%s} can't be empty", ConfigurationKeys.STORE_DB_USER));
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}
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return user;
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}
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/**
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* Get password string.
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*
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* @return the string
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*/
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protected String getPassword() {
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String password = CONFIG.getConfig(ConfigurationKeys.STORE_DB_PASSWORD);
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String publicKey = getPublicKey();
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if (StringUtils.isNotBlank(publicKey)) {
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try {
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password = ConfigTools.publicDecrypt(password, publicKey);
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} catch (Exception e) {
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LOGGER.error(
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"decryption failed,please confirm whether the ciphertext and secret key are correct! error msg: {}",
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e.getMessage());
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}
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}
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return password;
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}
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/**
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* Get min conn int.
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*
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* @return the int
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*/
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protected int getMinConn() {
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int minConn = CONFIG.getInt(ConfigurationKeys.STORE_DB_MIN_CONN, DEFAULT_DB_MIN_CONN);
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return minConn < 0 ? DEFAULT_DB_MIN_CONN : minConn;
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}
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/**
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* Get max conn int.
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*
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* @return the int
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*/
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protected int getMaxConn() {
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int maxConn = CONFIG.getInt(ConfigurationKeys.STORE_DB_MAX_CONN, DEFAULT_DB_MAX_CONN);
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return maxConn < 0 ? DEFAULT_DB_MAX_CONN : maxConn;
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}
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/**
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* Get validation query string.
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*
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* @param dbType the db type
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* @return the string
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*/
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protected String getValidationQuery(DBType dbType) {
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if (DBType.ORACLE.equals(dbType)) {
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return "select sysdate from dual";
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} else {
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return "select 1";
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}
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}
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/**
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* Get public key.
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*
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* @return the string
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*/
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protected String getPublicKey() {
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return CONFIG.getConfig(ConfigurationKeys.STORE_PUBLIC_KEY);
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}
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}
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@@ -0,0 +1,32 @@
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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.seata.server;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import java.io.IOException;
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/**
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*/
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@SpringBootApplication(scanBasePackages = {"org.apache.seata"})
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public class SeataServerApplication {
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public static void main(String[] args) throws IOException {
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// run the spring-boot application
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SpringApplication.run(ServerApplication.class, args);
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}
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}
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