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JaxRpcPortProxyFactoryBean (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.remoting.jaxrpc
Class JaxRpcPortProxyFactoryBean

java.lang.Object
  extended by org.springframework.remoting.jaxrpc.LocalJaxRpcServiceFactory
      extended by org.springframework.remoting.jaxrpc.JaxRpcPortClientInterceptor
          extended by org.springframework.remoting.jaxrpc.JaxRpcPortProxyFactoryBean
All Implemented Interfaces:
Advice, Interceptor, MethodInterceptor, BeanClassLoaderAware, FactoryBean, InitializingBean
public class JaxRpcPortProxyFactoryBean
extends JaxRpcPortClientInterceptor
implements FactoryBean, BeanClassLoaderAware

FactoryBean for a specific port of a JAX-RPC service. Exposes a proxy for the port, to be used for bean references. Inherits configuration properties from JaxRpcPortClientInterceptor.

This factory is typically used with an RMI service interface. Alternatively, this factory can also proxy a JAX-RPC service with a matching non-RMI business interface, i.e. an interface that mirrors the RMI service methods but does not declare RemoteExceptions. In the latter case, RemoteExceptions thrown by the JAX-RPC stub will automatically get converted to Spring's unchecked RemoteAccessException.

If exposing the JAX-RPC port interface (i.e. an RMI interface) directly, setting "serviceInterface" is sufficient. If exposing a non-RMI business interface, the business interface needs to be set as "serviceInterface", and the JAX-RPC port interface as "portInterface".

Since:
15.12.2003
Author:
Juergen Hoeller
See Also:
JaxRpcPortClientInterceptor.setServiceInterface(java.lang.Class), JaxRpcPortClientInterceptor.setPortInterface(java.lang.Class), LocalJaxRpcServiceFactoryBean

Field Summary
 
Fields inherited from class org.springframework.remoting.jaxrpc.LocalJaxRpcServiceFactory
logger
 
Constructor Summary
JaxRpcPortProxyFactoryBean()
           
 
Method Summary
 void afterPropertiesSet()
          Prepares the JAX-RPC service and port if the "lookupServiceOnStartup" is turned on (which it is by default).
 Object getObject()
          Return an instance (possibly shared or independent) of the object managed by this factory.
 Class getObjectType()
          Return the type of object that this FactoryBean creates, or null if not known in advance.
 boolean isSingleton()
          Is the object managed by this factory a singleton?
 void setBeanClassLoader(ClassLoader classLoader)
          Callback that supplies the bean class loader to a bean instance.
 
Methods inherited from class org.springframework.remoting.jaxrpc.JaxRpcPortClientInterceptor
addCustomProperty, alwaysUseJaxRpcCall, doInvoke, doInvoke, getCustomPropertyMap, getEndpointAddress, getJaxRpcService, getPassword, getPortInterface, getPortName, getPortQName, getPortStub, getServiceInterface, getUsername, invoke, isConnectFailure, isMaintainSession, isPrepared, performJaxRpcCall, performJaxRpcCall, postProcessJaxRpcCall, postProcessPortStub, prepare, prepareJaxRpcCall, preparePortStub, reset, setCustomProperties, setCustomPropertyMap, setEndpointAddress, setJaxRpcService, setLookupServiceOnStartup, setMaintainSession, setPassword, setPortInterface, setPortName, setRefreshServiceAfterConnectFailure, setServiceInterface, setUsername
 
Methods inherited from class org.springframework.remoting.jaxrpc.LocalJaxRpcServiceFactory
createJaxRpcService, createService, createServiceFactory, getJaxRpcServiceInterface, getJaxRpcServiceProperties, getNamespaceUri, getQName, getServiceFactory, getServiceFactoryClass, getServiceName, getServicePostProcessors, getWsdlDocumentUrl, postProcessJaxRpcService, setJaxRpcServiceInterface, setJaxRpcServiceProperties, setNamespaceUri, setServiceFactory, setServiceFactoryClass, setServiceName, setServicePostProcessors, setWsdlDocumentUrl
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JaxRpcPortProxyFactoryBean

public JaxRpcPortProxyFactoryBean()
Method Detail

setBeanClassLoader

public void setBeanClassLoader(ClassLoader classLoader)
Description copied from interface: BeanClassLoaderAware
Callback that supplies the bean class loader to a bean instance.

Invoked after the population of normal bean properties but before an initialization callback such as InitializingBean's InitializingBean.afterPropertiesSet() method or a custom init-method.

Specified by:
setBeanClassLoader in interface BeanClassLoaderAware
Parameters:
classLoader - the owning class loader; may be null in which case a default ClassLoader must be used, for example the ClassLoader obtained via ClassUtils.getDefaultClassLoader()

afterPropertiesSet

public void afterPropertiesSet()
                        throws ServiceException
Description copied from class: JaxRpcPortClientInterceptor
Prepares the JAX-RPC service and port if the "lookupServiceOnStartup" is turned on (which it is by default).

Specified by:
afterPropertiesSet in interface InitializingBean
Overrides:
afterPropertiesSet in class JaxRpcPortClientInterceptor
Throws:
ServiceException

getObject

public Object getObject()
Description copied from interface: FactoryBean
Return an instance (possibly shared or independent) of the object managed by this factory.

As with a BeanFactory, this allows support for both the Singleton and Prototype design pattern.

If this FactoryBean is not fully initialized yet at the time of the call (for example because it is involved in a circular reference), throw a corresponding FactoryBeanNotInitializedException.

As of Spring 2.0, FactoryBeans are allowed to return null objects. The factory will consider this as normal value to be used; it will not throw a FactoryBeanNotInitializedException in this case anymore. FactoryBean implementations are encouraged to throw FactoryBeanNotInitializedException themselves now, as appropriate.

Specified by:
getObject in interface FactoryBean
Returns:
an instance of the bean (can be null)
See Also:
FactoryBeanNotInitializedException

getObjectType

public Class getObjectType()
Description copied from interface: FactoryBean
Return the type of object that this FactoryBean creates, or null if not known in advance.

This allows one to check for specific types of beans without instantiating objects, for example on autowiring.

In the case of implementations that are creating a singleton object, this method should try to avoid singleton creation as far as possible; it should rather estimate the type in advance. For prototypes, returning a meaningful type here is advisable too.

This method can be called before this FactoryBean has been fully initialized. It must not rely on state created during initialization; of course, it can still use such state if available.

NOTE: Autowiring will simply ignore FactoryBeans that return null here. Therefore it is highly recommended to implement this method properly, using the current state of the FactoryBean.

Specified by:
getObjectType in interface FactoryBean
Returns:
the type of object that this FactoryBean creates, or null if not known at the time of the call
See Also:
ListableBeanFactory.getBeansOfType(java.lang.Class)

isSingleton

public boolean isSingleton()
Description copied from interface: FactoryBean
Is the object managed by this factory a singleton? That is, will FactoryBean.getObject() always return the same object (a reference that can be cached)?

NOTE: If a FactoryBean indicates to hold a singleton object, the object returned from getObject() might get cached by the owning BeanFactory. Hence, do not return true unless the FactoryBean always exposes the same reference.

The singleton status of the FactoryBean itself will generally be provided by the owning BeanFactory; usually, it has to be defined as singleton there.

NOTE: This method returning false does not necessarily indicate that returned objects are independent instances. An implementation of the extended SmartFactoryBean interface may explicitly indicate independent instances through its SmartFactoryBean.isPrototype() method. Plain FactoryBean implementations which do not implement this extended interface are simply assumed to always return independent instances if the isSingleton() implementation returns false.

Specified by:
isSingleton in interface FactoryBean
Returns:
if the exposed object is a singleton
See Also:
FactoryBean.getObject(), SmartFactoryBean.isPrototype()
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