org.eclipse.persistence.internal.indirection

Class ProxyIndirectionHandler

java.lang.Object

org.eclipse.persistence.internal.indirection.ProxyIndirectionHandler

All Implemented Interfaces:

java.io.Serializable, java.lang.reflect.InvocationHandler

public class ProxyIndirectionHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler, java.io.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.
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method m, java.lang.Object[] args) INTERNAL: Handle the method calls on the proxy object.
static java.lang.Object	newProxyInstance(java.lang.Class anInterface, java.lang.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 java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method m,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

INTERNAL: Handle the method calls on the proxy object.

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable

newProxyInstance

public static java.lang.Object newProxyInstance(java.lang.Class anInterface,
                                                java.lang.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.