RemoteInvocationBasedExporter (Spring Framework) - Spring Framework 1.2.9 API 文档英文版

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org.springframework.remoting.support
Class RemoteInvocationBasedExporter

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

Direct Known Subclasses:: HttpInvokerServiceExporter, RmiBasedExporter

public abstract class RemoteInvocationBasedExporter
extends RemoteExporter
extends RemoteExporter

Abstract base class for remote service exporters that are based on deserialization of RemoteInvocation objects. Provides a "remoteInvocationExecutor" property, with a DefaultRemoteInvocationExecutor as default.

Since:: 1.1
Author:: Juergen Hoeller
See Also:: RemoteInvocationExecutor, DefaultRemoteInvocationExecutor

Field Summary

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

logger

Constructor Summary

RemoteInvocationBasedExporter()


Method Summary

RemoteInvocationExecutor getRemoteInvocationExecutor()
          Return the RemoteInvocationExecutor used by this exporter.

protected Object invoke(RemoteInvocation invocation, Object targetObject)
          Apply the given remote invocation to the given target object.

protected RemoteInvocationResult invokeAndCreateResult(RemoteInvocation invocation, Object targetObject)
          Apply the given remote invocation to the given target object, wrapping the invocation result in a serializable RemoteInvocationResult object.

void setRemoteInvocationExecutor(RemoteInvocationExecutor remoteInvocationExecutor)
          Set the RemoteInvocationExecutor to use for this exporter.

Methods inherited from class org.springframework.remoting.support.RemoteExporter

checkService, checkServiceInterface, getExporterName, getProxyForService, getService, getServiceInterface, isRegisterTraceInterceptor, setRegisterTraceInterceptor, setService, setServiceInterface

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

Constructor Summary
`RemoteInvocationBasedExporter()`

Method Summary
`RemoteInvocationExecutor`	`getRemoteInvocationExecutor()` Return the RemoteInvocationExecutor used by this exporter.
`protected Object`	`invoke(RemoteInvocation invocation, Object targetObject)` Apply the given remote invocation to the given target object.
`protected RemoteInvocationResult`	`invokeAndCreateResult(RemoteInvocation invocation, Object targetObject)` Apply the given remote invocation to the given target object, wrapping the invocation result in a serializable RemoteInvocationResult object.
`void`	`setRemoteInvocationExecutor(RemoteInvocationExecutor remoteInvocationExecutor)` Set the RemoteInvocationExecutor to use for this exporter.

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

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

Constructor Detail

RemoteInvocationBasedExporter

public RemoteInvocationBasedExporter()

Method Detail

setRemoteInvocationExecutor

public void setRemoteInvocationExecutor(RemoteInvocationExecutor remoteInvocationExecutor)

Set the RemoteInvocationExecutor to use for this exporter. Default is a DefaultRemoteInvocationExecutor.

A custom invocation executor can extract further context information from the invocation, for example user credentials.

getRemoteInvocationExecutor

public RemoteInvocationExecutor getRemoteInvocationExecutor()

Return the RemoteInvocationExecutor used by this exporter.

invoke

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

Apply the given remote invocation to the given target object. The default implementation delegates to the RemoteInvocationExecutor.

Can be overridden in subclasses for custom invocation behavior, possibly for applying additional invocation parameters from a custom RemoteInvocation subclass. Note that it is preferable to use a custom RemoteInvocationExecutor which is a reusable strategy.

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)

invokeAndCreateResult

protected RemoteInvocationResult invokeAndCreateResult(RemoteInvocation invocation,
                                                       Object targetObject)

Apply the given remote invocation to the given target object, wrapping the invocation result in a serializable RemoteInvocationResult object. The default implementation creates a plain RemoteInvocationResult.

Can be overridden in subclasses for custom invocation behavior, for example to return additional context information. Note that this is not covered by the RemoteInvocationExecutor strategy!

Parameters:: invocation - the remote invocation; targetObject - the target object to apply the invocation to
Returns:: the invocation result
See Also:: invoke(org.springframework.remoting.support.RemoteInvocation, java.lang.Object)