public class DelegatingInvoker<T> extends Object implements Invoker
This forms the basis of many other proxy toys. The delegation behavior was factored out of HotSwappingInvoker.
HotSwappingInvoker
,
Serialized FormConstructor and Description |
---|
DelegatingInvoker(ProxyFactory proxyFactory,
ObjectReference<T> delegateReference,
DelegationMode delegationMode)
Construct a DelegatingInvoker.
|
DelegatingInvoker(T delegate)
Construct a DelegatingInvoker with a
StandardProxyFactory and DelegationMode.SIGNATURE . |
Modifier and Type | Method and Description |
---|---|
protected T |
delegate()
Retrieve the delegated object in derived classes.
|
boolean |
equals(Object obj)
Compares a DelegatingInvoker with another one for equality.
|
protected ObjectReference<T> |
getDelegateReference()
Retrieve the
ObjectReference of the delegate. |
protected Method |
getMethodToInvoke(Method method,
Object[] args)
Lookup a matching method.
|
protected ProxyFactory |
getProxyFactory()
Retrieve the
ProxyFactory to use. |
int |
hashCode() |
Object |
invoke(Object proxy,
Method method,
Object[] args)
Invocation of a method of the proxied object.
|
protected Object |
invokeOnDelegate(Method method,
Object[] args)
Invoke the given method on the delegate.
|
public DelegatingInvoker(ProxyFactory proxyFactory, ObjectReference<T> delegateReference, DelegationMode delegationMode)
proxyFactory
- the ProxyFactory
to usedelegateReference
- the ObjectReference
of the delegatedelegationMode
- one of the delegation modesIllegalArgumentException
- if the delegationMode is not one of the predefined constants of
Delegating
public DelegatingInvoker(T delegate)
StandardProxyFactory
and DelegationMode.SIGNATURE
.delegate
- the delegated objectpublic Object invoke(Object proxy, Method method, Object[] args) throws Throwable
Invoker
protected T delegate()
protected Method getMethodToInvoke(Method method, Object[] args)
method
- the invoked method on the proxyargs
- the arguments for the invocationDelegationException
- if no matching method can be foundprotected Object invokeOnDelegate(Method method, Object[] args) throws InvocationTargetException
method
- the method to invokeargs
- the arguments for the invocationInvocationTargetException
- if the invoked method throws any exceptionprotected ObjectReference<T> getDelegateReference()
ObjectReference
of the delegate.protected ProxyFactory getProxyFactory()
ProxyFactory
to use.public boolean equals(Object obj)
equals
in class Object
Object.equals(java.lang.Object)
Copyright © 2005–2019 Codehaus. All rights reserved.