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RmiBasedExporter (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.remoting.rmi
Class RmiBasedExporter

java.lang.Object
  org.springframework.remoting.support.RemoteExporter
      org.springframework.remoting.support.RemoteInvocationBasedExporter
          org.springframework.remoting.rmi.RmiBasedExporter

All Implemented Interfaces:

BeanClassLoaderAware

Direct Known Subclasses:

JndiRmiServiceExporter, RmiServiceExporter

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public abstract class RmiBasedExporter
extends RemoteInvocationBasedExporter

Convenient superclass for RMI-based remote exporters. Provides a facility to automatically wrap a given plain Java service object with am RmiInvocationWrapper, exposing the RmiInvocationHandler interface.

With an RMI invoker, RMI communication works on the RmiInvocationHandler level, needing only one stub for any service. Service interfaces do not have to extend java.rmi.Remote or throw java.rmi.RemoteException on all methods, but in and out parameters have to be serializable.

Since:

1.2.5

Author:

Juergen Hoeller

See Also:

RmiServiceExporter, JndiRmiServiceExporter

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Field Summary

 

Fields inherited from class org.springframework.remoting.support.RemoteExporter
logger

 

Constructor Summary
RmiBasedExporter()

 

Method Summary
protected  Remote	getObjectToExport()           Determine the object to export: either the service object itself or a RmiInvocationWrapper in case of a non-RMI service object.
protected  Object	invoke(RemoteInvocation invocation, Object targetObject)           Redefined here to be visible to RmiInvocationWrapper.

 

Methods inherited from class org.springframework.remoting.support.RemoteInvocationBasedExporter
getRemoteInvocationExecutor, invokeAndCreateResult, setRemoteInvocationExecutor

 

Methods inherited from class org.springframework.remoting.support.RemoteExporter
checkService, checkServiceInterface, getExporterName, getProxyForService, getService, getServiceInterface, isRegisterTraceInterceptor, setBeanClassLoader, setRegisterTraceInterceptor, setService, setServiceInterface

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

RmiBasedExporter

public RmiBasedExporter()

Method Detail

getObjectToExport

protected Remote getObjectToExport()

Determine the object to export: either the service object itself or a RmiInvocationWrapper in case of a non-RMI service object.

Returns:

the RMI object to export

See Also:

RemoteExporter.setService(java.lang.Object), RemoteExporter.setServiceInterface(java.lang.Class)

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invoke

protected Object invoke(RemoteInvocation invocation,
                        Object targetObject)
                 throws NoSuchMethodException,
                        IllegalAccessException,
                        InvocationTargetException

Redefined here to be visible to RmiInvocationWrapper. Simply delegates to the corresponding superclass method.

Overrides:

invoke in class RemoteInvocationBasedExporter

Parameters:

invocation - the remote invocation

targetObject - the target object to apply the invocation to

Returns:

the invocation result

Throws:

NoSuchMethodException - if the method name could not be resolved

IllegalAccessException - if the method could not be accessed

InvocationTargetException - if the method invocation resulted in an exception

See Also:

RemoteInvocationExecutor.invoke(org.springframework.remoting.support.RemoteInvocation, java.lang.Object)

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