Package bitronix.tm.resource.jdbc

Class BaseProxyHandlerClass

java.lang.Object

bitronix.tm.resource.jdbc.BaseProxyHandlerClass

All Implemented Interfaces:

InvocationHandler

Direct Known Subclasses:

JdbcCallableStatementHandle, JdbcConnectionHandle, JdbcPreparedStatementHandle, JdbcResultSetHandle, JdbcStatementHandle, JdbcUncachedPreparedStatementHandle, LrcConnectionHandle, LrcXAConnection

public abstract class BaseProxyHandlerClass
extends Object
implements InvocationHandler

Base class for Proxy InvocationHandlers. Maintains a method cache for swift delegation to either the overridden methods (implemented in a sub-class of this class) or the underlying delegate class' methods. Makes proxying an interface almost completely painless.

Author:

brettw

Constructor Summary

Constructors

Constructor	Description
BaseProxyHandlerClass()

Method Summary

Modifier and Type	Method	Description
abstract Object	getProxiedDelegate()	Must be implemented by the sub-class of this class.
Object	invoke(Object proxy, Method method, Object[] args)	Implementation of the InvocationHandler interface.

Methods inherited from class java.lang.Object

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

Constructor Details

BaseProxyHandlerClass

public BaseProxyHandlerClass()

Method Details

invoke

public Object invoke(Object proxy,
 Method method,
 Object[] args)
              throws Throwable

Implementation of the InvocationHandler interface.

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable

See Also:

• InvocationHandler

getProxiedDelegate

public abstract Object getProxiedDelegate()
                                   throws Exception

Must be implemented by the sub-class of this class. This method should return the "true" object to be delegated to in the case that the method is not overridden by the sub-class.

Returns:

the true delegate object

Throws:

Exception - can throw any exception if desired