Module io.helidon.inject.tools

Package io.helidon.inject.tools.spi

Interface InterceptorCreator

All Known Implementing Classes:

InterceptorCreatorDefault

@Contract
public interface InterceptorCreator

Provides the strategy used to determine which annotations cause interceptor creation. Only services that are injection- activated may qualify for interception.

See Also:

• InterceptorCreatorProvider

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	InterceptorCreator.InterceptorProcessor	Abstraction for interceptor processing.
static enum	InterceptorCreator.Strategy	The strategy applied for resolving annotations that trigger interception.

Method Summary

Modifier and Type	Method	Description
default Set<TypeName>	allowListedAnnotationTypes()	Applicable when InterceptorCreator.Strategy.ALLOW_LISTED is in use.
InterceptorCreator.InterceptorProcessor	createInterceptorProcessor(io.helidon.inject.api.ServiceInfoBasics interceptedService, InterceptorCreator delegateCreator)	Returns the reflection based interceptor processor.
InterceptorCreator.InterceptorProcessor	createInterceptorProcessor(io.helidon.inject.api.ServiceInfoBasics interceptedService, InterceptorCreator delegateCreator, ProcessingEnvironment processEnv)	Returns the annotation based interceptor processor.
default boolean	isAllowListed(TypeName annotationType)	Applicable when InterceptorCreator.Strategy.CUSTOM is in use.
default InterceptorCreator.Strategy	strategy()	Determines the strategy being applied.

Method Details

strategy

default InterceptorCreator.Strategy strategy()

Determines the strategy being applied.

Returns:

the strategy being applied

allowListedAnnotationTypes

default Set<TypeName> allowListedAnnotationTypes()

Applicable when InterceptorCreator.Strategy.ALLOW_LISTED is in use.

Returns:

the set of type names that should trigger creation

isAllowListed

default boolean isAllowListed(TypeName annotationType)

Applicable when InterceptorCreator.Strategy.CUSTOM is in use.

Parameters:

annotationType - the annotation type name

Returns:

true if the annotation type should trigger interceptor creation

createInterceptorProcessor

InterceptorCreator.InterceptorProcessor createInterceptorProcessor(io.helidon.inject.api.ServiceInfoBasics interceptedService,
 InterceptorCreator delegateCreator)

Returns the reflection based interceptor processor.

Parameters:

interceptedService - the service being intercepted

delegateCreator - the "real" creator

Returns:

the processor to use for the given arguments

createInterceptorProcessor

InterceptorCreator.InterceptorProcessor createInterceptorProcessor(io.helidon.inject.api.ServiceInfoBasics interceptedService,
 InterceptorCreator delegateCreator,
 ProcessingEnvironment processEnv)

Returns the annotation based interceptor processor.

Parameters:

interceptedService - the service being intercepted

delegateCreator - the "real" creator

processEnv - the processing environment (should be passed if in annotation processor)

Returns:

the processor to use for the given arguments