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

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org.springframework.remoting.support
Class RemoteInvocation

java.lang.Object
  org.springframework.remoting.support.RemoteInvocation

All Implemented Interfaces:

Serializable

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public class RemoteInvocation
extends Object
implements Serializable

Encapsulates a remote invocation, providing core method invocation properties in a serializable fashion. Used for RMI and HTTP-based serialization invokers.

This is an SPI class, typically not used directly by applications. Can be subclassed for additional invocation parameters.

Since:

25.02.2004

Author:

Juergen Hoeller

See Also:

RemoteInvocationResult, RemoteInvocationFactory, RemoteInvocationExecutor, RmiProxyFactoryBean, RmiServiceExporter, HttpInvokerProxyFactoryBean, HttpInvokerServiceExporter, Serialized Form

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Constructor Summary
RemoteInvocation()           Create a new RemoteInvocation for use as JavaBean.
RemoteInvocation(MethodInvocation methodInvocation)           Create a new RemoteInvocation for the given AOP method invocation.
RemoteInvocation(String methodName, Class[] parameterTypes, Object[] arguments)           Create a new RemoteInvocation for the given parameters.

 

Method Summary
void	addAttribute(String key, Serializable value)           Add an additional invocation attribute.
Object[]	getArguments()           Return the arguments for the target method call.
Serializable	getAttribute(String key)           Retrieve the attribute for the given key, if any.
Map	getAttributes()           Return the attributes Map.
String	getMethodName()           Return the name of the target method.
Class[]	getParameterTypes()           Return the parameter types of the target method.
Object	invoke(Object targetObject)           Perform this invocation on the given target object.
void	setArguments(Object[] arguments)           Set the arguments for the target method call.
void	setAttributes(Map attributes)           Set the attributes Map.
void	setMethodName(String methodName)           Set the name of the target method.
void	setParameterTypes(Class[] parameterTypes)           Set the parameter types of the target method.
String	toString()

 

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

 

Constructor Detail

RemoteInvocation

public RemoteInvocation()

Create a new RemoteInvocation for use as JavaBean.

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RemoteInvocation

public RemoteInvocation(String methodName,
                        Class[] parameterTypes,
                        Object[] arguments)

Create a new RemoteInvocation for the given parameters.

Parameters:

methodName - the name of the method to invoke

parameterTypes - the parameter types of the method

arguments - the arguments for the invocation

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RemoteInvocation

public RemoteInvocation(MethodInvocation methodInvocation)

Create a new RemoteInvocation for the given AOP method invocation.

Parameters:

methodInvocation - the AOP invocation to convert

Method Detail

setMethodName

public void setMethodName(String methodName)

Set the name of the target method.

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getMethodName

public String getMethodName()

Return the name of the target method.

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setParameterTypes

public void setParameterTypes(Class[] parameterTypes)

Set the parameter types of the target method.

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getParameterTypes

public Class[] getParameterTypes()

Return the parameter types of the target method.

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setArguments

public void setArguments(Object[] arguments)

Set the arguments for the target method call.

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getArguments

public Object[] getArguments()

Return the arguments for the target method call.

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addAttribute

public void addAttribute(String key,
                         Serializable value)
                  throws IllegalStateException

Add an additional invocation attribute. Useful to add additional invocation context without having to subclass RemoteInvocation.

Attribute keys have to be unique, and no overriding of existing attributes is allowed.

The implementation avoids to unnecessarily create the attributes Map, to minimize serialization size.

Parameters:

key - the attribute key

value - the attribute value

Throws:

IllegalStateException - if the key is already bound

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getAttribute

public Serializable getAttribute(String key)

Retrieve the attribute for the given key, if any.

The implementation avoids to unnecessarily create the attributes Map, to minimize serialization size.

Parameters:

key - the attribute key

Returns:

the attribute value, or null if not defined

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setAttributes

public void setAttributes(Map attributes)

Set the attributes Map. Only here for special purposes: Preferably, use addAttribute(java.lang.String, java.io.Serializable) and getAttribute(java.lang.String).

Parameters:

attributes - the attributes Map

See Also:

addAttribute(java.lang.String, java.io.Serializable), getAttribute(java.lang.String)

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getAttributes

public Map getAttributes()

Return the attributes Map. Mainly here for debugging purposes: Preferably, use addAttribute(java.lang.String, java.io.Serializable) and getAttribute(java.lang.String).

Returns:

the attributes Map, or null if none created

See Also:

addAttribute(java.lang.String, java.io.Serializable), getAttribute(java.lang.String)

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invoke

public Object invoke(Object targetObject)
              throws NoSuchMethodException,
                     IllegalAccessException,
                     InvocationTargetException

Perform this invocation on the given target object. Typically called when a RemoteInvocation is received on the server.

Parameters:

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:

Method.invoke(java.lang.Object, java.lang.Object...)

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toString

public String toString()

Overrides:

toString in class Object

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