org.apache.tapestry5.plastic

Interface MethodInvocationResult

All Known Subinterfaces:

MethodInvocation

All Known Implementing Classes:

AbstractMethodInvocation, FailureMethodInvocationResult, SuccessMethodInvocationResult

public interface MethodInvocationResult

The result of a method invocation, which encapsulates the actual return value (if any), as well as any checked exception.

Method Summary

Modifier and Type	Method and Description
boolean	didThrowCheckedException() Returns true if the method invocation threw a checked exception.
<T extends Throwable> T	getCheckedException(Class<T> exceptionType) Retrieves the checked exception assignable to the indicated type, or null if the invocation did not throw a checked exception or the thrown exception is not assignable.
Object	getReturnValue() Returns the actual value returned from the method invocation, if any.
void	rethrow() If the invocation threw a checked exception, then this method throws that exception wrapped as the cause of a new RuntimeException.

Method Detail

getReturnValue

Object getReturnValue()

Returns the actual value returned from the method invocation, if any. This will be null if the invocation threw a checked exception, or the method itself is void.

rethrow

void rethrow()

If the invocation threw a checked exception, then this method throws that exception wrapped as the cause of a new RuntimeException. Otherwise, this method does nothing.

didThrowCheckedException

boolean didThrowCheckedException()

Returns true if the method invocation threw a checked exception.

getCheckedException

<T extends Throwable> T getCheckedException(Class<T> exceptionType)

Retrieves the checked exception assignable to the indicated type, or null if the invocation did not throw a checked exception or the thrown exception is not assignable.