Module io.helidon.faulttolerance

Package io.helidon.faulttolerance

Class FtSupport.RetryMethod

java.lang.Object

io.helidon.faulttolerance.FtSupport.RetryMethod

All Implemented Interfaces:

Interception.ElementInterceptor, Interception.Interceptor

Enclosing class:

FtSupport

public abstract static class FtSupport.RetryMethod
extends Object
implements Interception.ElementInterceptor

A base interceptor service implementation to support Ft.Retry.

Nested Class Summary

Nested classes/interfaces inherited from interface io.helidon.service.registry.Interception.Interceptor

Interception.Interceptor.Chain<V>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RetryMethod()	Constructor with no side effects.

Method Summary

Modifier and Type	Method	Description
<V> V	proceed(InterceptionContext ctx, Interception.Interceptor.Chain<V> chain, Object... args)	Called during interception of the target V.
protected abstract Retry	retry()	Provide a retry instance that should be used with this method.

Methods inherited from class java.lang.Object

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

Constructor Details

RetryMethod

protected RetryMethod()

Constructor with no side effects.

Method Details

proceed

public <V> V proceed(InterceptionContext ctx,
 Interception.Interceptor.Chain<V> chain,
 Object... args)
              throws Exception

Description copied from interface: Interception.Interceptor

Called during interception of the target V. The implementation typically should finish with the call to Interception.Interceptor.Chain.proceed(java.lang.Object[]).

Specified by:

proceed in interface Interception.Interceptor

Type Parameters:

V - the return value type (or Void for void method elements)

Parameters:

ctx - the invocation context

chain - the chain to call proceed on

args - the arguments to the call

Returns:

the return value to the caller

Throws:

Exception - if there are any checked exceptions thrown by the underlying method, or any runtime exception thrown

retry

protected abstract Retry retry()

Provide a retry instance that should be used with this method. If the retry annotation contains a name, we will attempt to obtain the named instance from registry. If such a named instance does not exist a new retry will be created from the annotation.

Returns:

retry instance