Class GrpcExceptionHandlerMethodResolver

java.lang.Object

org.springframework.grpc.server.advice.GrpcExceptionHandlerMethodResolver

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean

public class GrpcExceptionHandlerMethodResolver
extends Object
implements org.springframework.beans.factory.InitializingBean

Maps exception types to @GrpcExceptionHandler methods.

Author:

Oleksandr Shevchenko

See Also:

• GrpcAdvice
• GrpcExceptionHandler

Constructor Summary

Constructors

Constructor	Description
GrpcExceptionHandlerMethodResolver(GrpcAdviceDiscoverer grpcAdviceDiscoverer)	Create a new instance.

Method Summary

Modifier and Type	Method	Description
void	afterPropertiesSet()
<E extends Throwable> boolean	isMethodMappedForException(Class<E> exception)	Check if a handler method exists for the given exception type.
<E extends Throwable> Map.Entry<@Nullable Object, @Nullable Method>	resolveMethodWithInstance(Class<E> exceptionType)	Resolve the handler method and bean instance for the given exception type.

Methods inherited from class Object

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

Constructor Details

GrpcExceptionHandlerMethodResolver

public GrpcExceptionHandlerMethodResolver(GrpcAdviceDiscoverer grpcAdviceDiscoverer)

Create a new instance.

Parameters:

grpcAdviceDiscoverer - the advice discoverer to use

Method Details

afterPropertiesSet

public void afterPropertiesSet()

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

resolveMethodWithInstance

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

Resolve the handler method and bean instance for the given exception type.

Type Parameters:

E - the exception type

Parameters:

exceptionType - the exception type to resolve

Returns:

entry with bean and method, or nulls if no mapping exists

isMethodMappedForException

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

Check if a handler method exists for the given exception type.

Type Parameters:

E - the exception type

Parameters:

exception - the exception type to check

Returns:

true if a handler is mapped