DataSource和ConnectionPoolDataSource之间的区别 [英] Difference between DataSource and ConnectionPoolDataSource

问题描述

javax.sql.DataSource有什么区别和 javax.sql.ConnectionPoolDataSource ？当我在GlassFish for MySQL中创建连接池时，我不知道使用哪种资源类型。

解决方案

ConnectionPoolDataSource 只是一个 DataSource （，因为它继承了 CommonDataSource 也可以通过 DataSource 继承并具有Connection Pooling功能 -

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你问：我不知道使用哪种资源类型

这取决于你的应用程序，许多数据库驱动程序需要需要很长时间才能创建与数据库的新连接，如果您的应用程序要创建太多的连接（非常频繁）。使用连接池。

What is the difference between javax.sql.DataSource and javax.sql.ConnectionPoolDataSource? I don't know which resource type to use when I am creating a connection pool in GlassFish for MySQL.

解决方案

ConnectionPoolDataSource is just a DataSource (as it inherit's CommonDataSource which is also inherited by DataSource) with capability of Connection Pooling -

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you asked : I don't know which resource type to use

It depend's on your application, many database drivers take a long time to create a new connection with database, If your application is going to create too many connection's (very frequently). use connection pooling.

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