org.apache.log4j.db

Class JNDIConnectionSource

java.lang.Object

org.apache.log4j.spi.ComponentBase

org.apache.log4j.db.ConnectionSourceSkeleton

org.apache.log4j.db.JNDIConnectionSource

All Implemented Interfaces:

ConnectionSource, Component, org.apache.log4j.spi.OptionHandler

public class JNDIConnectionSource
extends ConnectionSourceSkeleton

The JNDIConnectionSource is an implementation of ConnectionSource that obtains a DataSource from a JNDI provider and uses it to obtain a Connection. It is primarily designed to be used inside of J2EE application servers or application server clients, assuming the application server supports remote access of DataSources. In this way one can take advantage of connection pooling and whatever other goodies the application server provides.

Sample configuration:

    <connectionSource class="org.apache.log4j.jdbc.JNDIConnectionSource">
        <param name="jndiLocation" value="jdbc/MySQLDS" />
    </connectionSource>
  

Sample configuration (with username and password):

    <connectionSource class="org.apache.log4j.jdbc.JNDIConnectionSource">
        <param name="jndiLocation" value="jdbc/MySQLDS" />
        <param name="username" value="myUser" />
        <param name="password" value="myPassword" />
    </connectionSource>
  

Note that this class will obtain an InitialContext using the no-argument constructor. This will usually work when executing within a J2EE environment. When outside the J2EE environment, make sure that you provide a jndi.properties file as described by your JNDI provider's documentation.

Author:

Ray DeCampo

Field Summary

Fields inherited from class org.apache.log4j.spi.ComponentBase

repository

Fields inherited from interface org.apache.log4j.db.ConnectionSource

HSQL_DIALECT, MSSQL_DIALECT, MYSQL_DIALECT, ORACLE_DIALECT, POSTGRES_DIALECT, UNKNOWN_DIALECT

Constructor Summary

Constructors

Constructor and Description
JNDIConnectionSource()

Method Summary

Modifier and Type	Method and Description
void	activateOptions()
Connection	getConnection() Obtain a Connection for use.
String	getJndiLocation() Returns the jndiLocation.
void	setJndiLocation(String jndiLocation) Sets the jndiLocation.

Methods inherited from class org.apache.log4j.db.ConnectionSourceSkeleton

discoverConnnectionProperties, getOverriddenSupportsGetGeneratedKeys, getPassword, getSQLDialectCode, getUser, setOverriddenSupportsGetGeneratedKeys, setPassword, setUser, supportsBatchUpdates, supportsGetGeneratedKeys

Methods inherited from class org.apache.log4j.spi.ComponentBase

getLogger, getLoggerRepository, getNonFloodingLogger, resetErrorCount, setLoggerRepository

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.log4j.spi.Component

setLoggerRepository

Constructor Detail

JNDIConnectionSource

public JNDIConnectionSource()

Method Detail

activateOptions

public void activateOptions()

See Also:

OptionHandler.activateOptions()

getConnection

public Connection getConnection()
                         throws SQLException

Description copied from interface: ConnectionSource

Obtain a Connection for use. The client is responsible for closing the Connection when it is no longer required.

Throws:

SQLException - if a Connection could not be obtained

See Also:

ConnectionSource.getConnection()

getJndiLocation

public String getJndiLocation()

Returns the jndiLocation.

Returns:

String

setJndiLocation

public void setJndiLocation(String jndiLocation)

Sets the jndiLocation.

Parameters:

jndiLocation - The jndiLocation to set