org.springframework.remoting.support

Class RemoteInvocationResult

java.lang.Object

org.springframework.remoting.support.RemoteInvocationResult

All Implemented Interfaces:

java.io.Serializable

public class RemoteInvocationResult
extends java.lang.Object
implements java.io.Serializable

Encapsulates a remote invocation result, holding a result value or an exception. Used for HTTP-based serialization invokers.

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

Since:

1.1

Author:

Juergen Hoeller

See Also:

RemoteInvocation, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Throwable	exception
private static long	serialVersionUID Use serialVersionUID from Spring 1.1 for interoperability
private java.lang.Object	value

Constructor Summary

Constructors

Constructor and Description
RemoteInvocationResult(java.lang.Object value) Create a new RemoteInvocationResult for the given result value.
RemoteInvocationResult(java.lang.Throwable exception) Create a new RemoteInvocationResult for the given exception.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Throwable	getException() Return the exception thrown by an unsuccessful invocation of the target method, if any.
java.lang.Object	getValue() Return the result value returned by a successful invocation of the target method, if any.
boolean	hasException() Return whether this invocation result holds an exception.
boolean	hasInvocationTargetException() Return whether this invocation result holds an InvocationTargetException, thrown by an invocation of the target method itself.
java.lang.Object	recreate() Recreate the invocation result, either returning the result value in case of a successful invocation of the target method, or rethrowing the exception thrown by the target method.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

Use serialVersionUID from Spring 1.1 for interoperability

See Also:

Constant Field Values

value

private java.lang.Object value

exception

private java.lang.Throwable exception

Constructor Detail

RemoteInvocationResult

public RemoteInvocationResult(java.lang.Object value)

Create a new RemoteInvocationResult for the given result value.

Parameters:

value - the result value returned by a successful invocation of the target method

RemoteInvocationResult

public RemoteInvocationResult(java.lang.Throwable exception)

Create a new RemoteInvocationResult for the given exception.

Parameters:

exception - the exception thrown by an unsuccessful invocation of the target method

Method Detail

getValue

public java.lang.Object getValue()

Return the result value returned by a successful invocation of the target method, if any.

See Also:

hasException()

getException

public java.lang.Throwable getException()

Return the exception thrown by an unsuccessful invocation of the target method, if any.

See Also:

hasException()

hasException

public boolean hasException()

Return whether this invocation result holds an exception. If this returns false, the result value applies (even if null).

See Also:

getValue(), getException()

hasInvocationTargetException

public boolean hasInvocationTargetException()

Return whether this invocation result holds an InvocationTargetException, thrown by an invocation of the target method itself.

See Also:

hasException()

recreate

public java.lang.Object recreate()
                          throws java.lang.Throwable

Recreate the invocation result, either returning the result value in case of a successful invocation of the target method, or rethrowing the exception thrown by the target method.

Returns:

the result value, if any

Throws:

java.lang.Throwable - the exception, if any