Module io.helidon.service.registry

Package io.helidon.service.registry

Interface Interception.Interceptor

All Known Subinterfaces:

Interception.ElementInterceptor

All Known Implementing Classes:

FtSupport.AsyncMethod, FtSupport.BulkheadMethod, FtSupport.CircuitBreakerMethod, FtSupport.FallbackMethod, FtSupport.RetryMethod, FtSupport.TimeoutMethod

Enclosing class:

Interception

@Contract
public static interface Interception.Interceptor

Implementors of this contract must be Service.Named according to the Interception.Intercepted annotation they support.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	Interception.Interceptor.Chain<V>	Represents the next in line for interception, terminating with a call to the service instance.

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.

Method Details

proceed

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

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

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