???请指点·Weblogic5.1的配置文件中，TXDataSource和DataSource有什么区别？

nikita_win 2002-04-04 10:53:11

请看19行,TXDataSource和DataSource有什么区别？
把它换成DataSource在EJB中也可以lookup到；
不知道换成DataSource使用会有什么不同？
请指点·

01# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
02# WEBLOGIC DEMO CONNECTION POOL PROPERTIES
03# -------------------------------------------------
04# CLUSTER USERS: Note that ALL JDBC connection pools should be set up
05# in the *per-cluster* properties file ONLY.
06#
07# This connection pool uses the sample Cloudscape database shipped
08# with WebLogic. Used by the EJBean, JHTML, JSP and JMS examples.
09# Uncomment to use:
10weblogic.jdbc.connectionPool.demoPool=\
11 url=jdbc:cloudscape:demo,\
12 driver=COM.cloudscape.core.JDBCDriver,\
13 initialCapacity=1,\
14 maxCapacity=2,\
15 capacityIncrement=1,\
16 props=user=none;password=none;server=none
17#
18# Add a TXDataSource for the connection pool:
19weblogic.jdbc.TXDataSource.weblogic.jdbc.jts.demoPool=demoPool
20#
21# Add an ACL for the connection pool:
22weblogic.allow.reserve.weblogic.jdbc.connectionPool.demoPool=everyone

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nikita_win 2002-04-16

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下面是java.sun.com中对于TXDataSource和DataSource的解说：

To define a JTS-enabled DataSource named "myJtsDataSource" for the connection pool "myConnectionPool", add the following line to the weblogic.properties file:
weblogic.jdbc.TXDataSource.myJtsDataSource=myConnectionPool

To define a DataSource named "myNonJtsDataSource" for the connection pool "myConnectionPool" that is not JTS-enabled, add the following line to the weblogic.properties file:
weblogic.jdbc.DataSource.myNonJtsDataSource=myConnectionPool

You can define multiple DataSources that use a single connection pool. This allows you to define both JTS-enabled and non-JTS-enabled DataSource objects that share the same database.

JTS是：（Java事务服务）JavaTM Transaction Service (JTS) 的缩写
具体内容大家可以到以下网址查看：
http://java.sun.com/products/jts/

nikita_win 2002-04-16