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java.lang.Objectcom.thoughtworks.proxy.toys.delegate.DelegatingInvoker
Invoker that delegates method calls to an object.
This forms the basis of many other proxy toys. The delegation behaviour was factored out of HotSwappingInvoker.
HotSwappingInvoker
,
Serialized FormConstructor Summary | |
DelegatingInvoker(Object delegate)
Construct a DelegatingInvoker with a StandardProxyFactory and Delegating.MODE_SIGNATURE . |
|
DelegatingInvoker(ProxyFactory proxyFactory,
ObjectReference delegateReference,
boolean staticTyping)
Deprecated. since 0.2, use DelegatingInvoker(ProxyFactory, ObjectReference, int) |
|
DelegatingInvoker(ProxyFactory proxyFactory,
ObjectReference delegateReference,
int delegationMode)
Construct a DelegatingInvoker. |
Method Summary | |
protected Object |
delegate()
Retrieve the delegated object in derived classes. |
boolean |
equals(Object obj)
Compares a DelegatingInvoker with another one for equality. |
protected ObjectReference |
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. |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public DelegatingInvoker(ProxyFactory proxyFactory, ObjectReference delegateReference, int delegationMode)
proxyFactory
- the ProxyFactory
to usedelegateReference
- the ObjectReference
of the delegatedelegationMode
- one of the delegation modes
IllegalArgumentException
- if the delegationMode is not one of the predefined constants of
Delegating
public DelegatingInvoker(ProxyFactory proxyFactory, ObjectReference delegateReference, boolean staticTyping)
DelegatingInvoker(ProxyFactory, ObjectReference, int)
proxyFactory
- the ProxyFactory
to usedelegateReference
- the ObjectReference
of the delegatestaticTyping
- Delegating.STATIC_TYPING
or Delegating.DYNAMIC_TYPING
public DelegatingInvoker(Object delegate)
StandardProxyFactory
and Delegating.MODE_SIGNATURE
.
delegate
- the delegated objectMethod Detail |
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
Invoker
invoke
in interface Invoker
proxy
- the proxy instance.method
- the method to invoke.args
- the arguments of the mothod.
Throwable
- if the invoked method has thrown.protected Object delegate()
protected Method getMethodToInvoke(Method method, Object[] args)
method
- the invoked method on the proxyargs
- the arguments for the invocation
DelegationException
- if no matching method can be foundprotected Object invokeOnDelegate(Method method, Object[] args) throws InvocationTargetException
method
- the method to invokeargs
- the arguments for the invocation
InvocationTargetException
- if the invoked method throws any exceptionprotected ObjectReference getDelegateReference()
ObjectReference
of the delegate.
protected ProxyFactory getProxyFactory()
ProxyFactory
to use.
public boolean equals(Object obj)
Object.equals(java.lang.Object)
public int hashCode()
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