io.micronaut.retry.intercept

Class RecoveryInterceptor

java.lang.Object

io.micronaut.retry.intercept.RecoveryInterceptor

All Implemented Interfaces:

Interceptor<java.lang.Object,java.lang.Object>, MethodInterceptor<java.lang.Object,java.lang.Object>, Ordered

@Singleton
public class RecoveryInterceptor
extends java.lang.Object
implements MethodInterceptor<java.lang.Object,java.lang.Object>

A MethodInterceptor that will attempt to execute a Fallback when the target method is in an error state.

Since:

1.0

Author:

graemerocher

Field Summary

Fields

Modifier and Type	Field and Description
static int	POSITION Positioned before the Retryable interceptor.

Fields inherited from interface io.micronaut.aop.Interceptor

HOTSWAP, LAZY, PROXY_TARGET

Fields inherited from interface io.micronaut.core.order.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
RecoveryInterceptor(BeanContext beanContext)

Method Summary

Modifier and Type	Method and Description
java.util.Optional<? extends MethodExecutionHandle<?,java.lang.Object>>	findFallbackMethod(MethodInvocationContext<java.lang.Object,java.lang.Object> context) Finds a fallback method for the given context.
int	getOrder()
java.lang.Object	intercept(MethodInvocationContext<java.lang.Object,java.lang.Object> context) Extended version of the MethodInterceptor.intercept(InvocationContext) method that accepts a MethodInvocationContext.
protected java.lang.Object	resolveFallback(MethodInvocationContext<java.lang.Object,java.lang.Object> context, java.lang.RuntimeException exception) Resolves a fallback for the given execution context and exception.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.aop.MethodInterceptor

intercept

Field Detail

POSITION

public static final int POSITION

Positioned before the Retryable interceptor.

Constructor Detail

RecoveryInterceptor

public RecoveryInterceptor(BeanContext beanContext)

Parameters:

beanContext - The bean context to allow for DI of class annotated with Inject.

Method Detail

getOrder

public int getOrder()

Specified by:

getOrder in interface Ordered

Returns:

The order of the object. Defaults to zero (no order).

intercept

public java.lang.Object intercept(MethodInvocationContext<java.lang.Object,java.lang.Object> context)

Description copied from interface: MethodInterceptor

Extended version of the MethodInterceptor.intercept(InvocationContext) method that accepts a MethodInvocationContext.

Specified by:

intercept in interface MethodInterceptor<java.lang.Object,java.lang.Object>

Parameters:

context - The context

Returns:

The result

findFallbackMethod

public java.util.Optional<? extends MethodExecutionHandle<?,java.lang.Object>> findFallbackMethod(MethodInvocationContext<java.lang.Object,java.lang.Object> context)

Finds a fallback method for the given context.

Parameters:

context - The context

Returns:

The fallback method if it is present

resolveFallback

protected java.lang.Object resolveFallback(MethodInvocationContext<java.lang.Object,java.lang.Object> context,
                                           java.lang.RuntimeException exception)

Resolves a fallback for the given execution context and exception.

Parameters:

context - The context

exception - The exception

Returns:

Returns the fallback value or throws the original exception