net.ttddyy.dsproxy.support.jndi

Class ProxyDataSourceObjectFactory

java.lang.Object

net.ttddyy.dsproxy.support.jndi.ProxyDataSourceObjectFactory

All Implemented Interfaces:

ObjectFactory

public class ProxyDataSourceObjectFactory
extends Object
implements ObjectFactory

JNDI ObjectFactory to create ProxyDataSource.

 <Resource name="jdbc/global/myProxy"
           auth="Container"
           type="net.ttddyy.dsproxy.support.ProxyDataSource"
           factory="net.ttddyy.dsproxy.support.jndi.ProxyDataSourceObjectFactory"
           description="ds"
           listeners="count,sysout,org.example.SampleListener"
           proxyName="DS-PROXY"
           format="json"
           dataSource="[REFERENCE_TO_ACTUAL_DATASOURCE_RESOURCE]"  <!-- ex: java:jdbc/global/myDS -->
 />
 

Parameters:

• dataSource (required): Reference to actual datasource resource. ex: java:jdbc/global/myDS
• proxyName: ProxyDataSource name
• logLevel: Loglevel for commons-logging, slf4j or log4j. ex: DEBUG, INFO, etc.
• listeners: Fully qualified class name of `QueryExecutionListener` implementation class,or predefined values below. Can be comma delimited.
• queryTransformer: Fully qualified class name of `QueryTransformer` implementation class.
• parameterTransformer: Fully qualified class name of `ParameterTransformer` implementation class.

listeners parameter:

• sysout: alias to `net.ttddyy.dsproxy.listener.logging.SystemOutQueryLoggingListener`
• commons: alias to `net.ttddyy.dsproxy.listener.logging.CommonsQueryLoggingListener`
• slf4j: alias to `net.ttddyy.dsproxy.listener.logging.SLF4JQueryLoggingListener`
• log4j: alias to `net.ttddyy.dsproxy.listener.logging.Log4jSlowQueryListener`
• count: alias to `net.ttddyy.dsproxy.listener.DataSourceQueryCountListener`
• x.y.z.MyQueryExecutionListener: Fully qualified class name of `QueryExecutionListener` implementation

format parameter:

• json: set logging output format as JSON

Since:

1.3

Author:

Tadaya Tsuyukubo

Constructor Summary

Constructors

Constructor and Description
ProxyDataSourceObjectFactory()

Method Summary

Modifier and Type	Method and Description
protected <T> T	createNewInstance(Class<T> clazz, String className)
protected String	getContentFromReference(Reference reference, String key)
protected String[]	getListenerNames(String listenerNames)
Object	getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?,?> environment)
protected String	trim(String s)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProxyDataSourceObjectFactory

public ProxyDataSourceObjectFactory()

Method Detail

getObjectInstance

public Object getObjectInstance(Object obj,
                                Name name,
                                Context nameCtx,
                                Hashtable<?,?> environment)
                         throws Exception

Specified by:

getObjectInstance in interface ObjectFactory

Throws:

Exception

createNewInstance

protected <T> T createNewInstance(Class<T> clazz,
                                  String className)
                           throws Exception

Throws:

Exception

getContentFromReference

protected String getContentFromReference(Reference reference,
                                         String key)

getListenerNames

protected String[] getListenerNames(String listenerNames)

trim

protected String trim(String s)