org.eclipse.persistence.internal.indirection

Class ProxyIndirectionHandler

java.lang.Object

org.eclipse.persistence.internal.indirection.ProxyIndirectionHandler

All Implemented Interfaces:

Serializable, InvocationHandler

public class ProxyIndirectionHandler
extends Object
implements InvocationHandler, Serializable

ProxyIndirectionHandler

Transparently handles EclipseLink indirection for 1:1 relationships through use of the Java Proxy framework in JDK 1.3. This class intercepts messages sent to the proxy object, and instantiates its internal ValueHolder when necessary.

Since:

TopLink 3.0

Author:

Rick Barkhouse

See Also:

ProxyIndirectionPolicy, Serialized Form

Constructor Summary

Constructors

Constructor and Description
ProxyIndirectionHandler() INTERNAL: Just in here to allow for Serialization.

Method Summary

Modifier and Type	Method and Description
ValueHolderInterface	getValueHolder() INTERNAL: Get the ValueHolder associated with this handler.
Object	invoke(Object proxy, Method m, Object[] args) INTERNAL: Handle the method calls on the proxy object.
static Object	newProxyInstance(Class anInterface, Class[] interfaces, ValueHolderInterface valueHolder) INTERNAL: Utility method to create a new proxy object.
void	setValueHolder(ValueHolderInterface value) INTERNAL: Set the ValueHolder associated with this handler.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProxyIndirectionHandler

public ProxyIndirectionHandler()

INTERNAL: Just in here to allow for Serialization.

Method Detail

invoke

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

INTERNAL: Handle the method calls on the proxy object.

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable

newProxyInstance

public static Object newProxyInstance(Class anInterface,
                                      Class[] interfaces,
                                      ValueHolderInterface valueHolder)

INTERNAL: Utility method to create a new proxy object.

getValueHolder

public ValueHolderInterface getValueHolder()

INTERNAL: Get the ValueHolder associated with this handler.

setValueHolder

public void setValueHolder(ValueHolderInterface value)

INTERNAL: Set the ValueHolder associated with this handler.