DataSource: Difference between revisions
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* https://home.feodorov.com:9443/wiki/Wiki.jsp?page=JBossDataSource | * https://home.feodorov.com:9443/wiki/Wiki.jsp?page=JBossDataSource | ||
=Organizatorium= | |||
According to JDBC Javadoc, a DataSource is a ''factory for connections'' to the physical data source that this DataSource object represents. | |||
An object that implements the DataSource interface will typically be registered with a naming service based on the JavaTM Naming and Directory (JNDI) API. | |||
Example: | |||
{{{ | |||
DataSource ds = (DataSource)ic.lookup("java:/DefaultDS"); | |||
Connection conn = ds.getConnection(); | |||
.... | |||
conn.close(); | |||
}}} |
Revision as of 14:30, 25 September 2017
External
- https://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html
- https://docs.oracle.com/javase/7/docs/api/javax/sql/package-summary.html
Internal
Overview
This page refers to a JSE javax.sql.DataSource. The DataSource is part of JDBC and it is the main interface exposed by thejavax.sql package. DataSource is part of JSE since 1.4. JDBC specifies that a database Connection can be obtained from a DriverManager or a DataSource. The DataSource is the preferred way of getting the Connection.
DataSources can be injected with the JEE @javax.annotation.Resource annotation.
TODO
Organizatorium
According to JDBC Javadoc, a DataSource is a factory for connections to the physical data source that this DataSource object represents.
An object that implements the DataSource interface will typically be registered with a naming service based on the JavaTM Naming and Directory (JNDI) API.
Example: {{{
DataSource ds = (DataSource)ic.lookup("java:/DefaultDS"); Connection conn = ds.getConnection();
....
conn.close();
}}}