[xdevapi] 从连接池获取会话

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.19</version>
        </dependency>

        ClientFactory cf = new ClientFactory();
//Obtain Client from ClientFactory
        Client cli = cf.getClient("mysqlx://localhost:33060/test?user=user&password=pass", "{\"pooling\":{\"enabled\":true, \"maxSize\":8,\"maxIdleTime\":30000, \"queueTimeout\":10000} }");
        Session sess = cli.getSession();
//Use Session as usual
//Close Client after use
        cli.close();