net.devh.boot.grpc.server.advice

Class GrpcExceptionHandlerMethodResolver

java.lang.Object

net.devh.boot.grpc.server.advice.GrpcExceptionHandlerMethodResolver

All Implemented Interfaces:

InitializingBean

public class GrpcExceptionHandlerMethodResolver
extends Object
implements InitializingBean

Given an annotated @GrpcAdvice class and annotated methods with @GrpcExceptionHandler, GrpcExceptionHandlerMethodResolver resolves given exception type and maps it to the corresponding method to be executed, when this exception is being raised.

For an example how to make use of it, please have a look at @GrpcExceptionHandler.

See Also:

GrpcAdvice, GrpcExceptionHandler, GrpcAdviceExceptionHandler

Constructor Summary

Constructors

Constructor and Description
GrpcExceptionHandlerMethodResolver(GrpcAdviceDiscoverer grpcAdviceDiscoverer) Creates a new GrpcExceptionHandlerMethodResolver.

Method Summary

Modifier and Type	Method and Description
void	afterPropertiesSet()
<E extends Throwable> boolean	isMethodMappedForException(Class<E> exception) Lookup if a method is mapped to given exception.
<E extends Throwable> Map.Entry<Object,Method>	resolveMethodWithInstance(Class<E> exceptionType) When given exception type is subtype of already provided mapped exception, this returns a valid mapped method to be later executed.

Methods inherited from class java.lang.Object

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

Constructor Detail

GrpcExceptionHandlerMethodResolver

public GrpcExceptionHandlerMethodResolver(GrpcAdviceDiscoverer grpcAdviceDiscoverer)

Creates a new GrpcExceptionHandlerMethodResolver.

Parameters:

grpcAdviceDiscoverer - The advice discoverer to use.

Method Detail

afterPropertiesSet

public void afterPropertiesSet()
                        throws Exception

Specified by:

afterPropertiesSet in interface InitializingBean

Throws:

Exception

resolveMethodWithInstance

@NonNull
public <E extends Throwable> Map.Entry<Object,Method> resolveMethodWithInstance(Class<E> exceptionType)

When given exception type is subtype of already provided mapped exception, this returns a valid mapped method to be later executed.

Type Parameters:

E - type of exception

Parameters:

exceptionType - exception to check

Returns:

mapped method instance with its method

isMethodMappedForException

public <E extends Throwable> boolean isMethodMappedForException(Class<E> exception)

Lookup if a method is mapped to given exception.

Type Parameters:

E - type of exception

Parameters:

exception - exception to check

Returns:

true if mapped to valid method