Package org.hibernate.search.engine.search.projection.dsl

Interface SearchProjectionFactoryExtensionIfSupportedMoreStep<SR,P,R,E>

Type Parameters:

SR - Scope root type.

P - The resulting projection type.

R - The type of entity references in the parent TypedSearchProjectionFactory.

E - The type of entities in the parent TypedSearchProjectionFactory.

All Superinterfaces:

SearchProjectionFactoryExtensionIfSupportedStep<SR,P,R,E>

public interface SearchProjectionFactoryExtensionIfSupportedMoreStep<SR,P,R,E>
extends SearchProjectionFactoryExtensionIfSupportedStep<SR,P,R,E>

The second and later step when attempting to apply multiple extensions to a TypedSearchProjectionFactory.

See Also:

• TypedSearchProjectionFactory.extension()

Method Summary

Modifier and Type	Method	Description
ProjectionFinalStep<P>	orElse(Function<TypedSearchProjectionFactory<SR,R,E>,? extends ProjectionFinalStep<P>> projectionContributor)	If no extension passed to SearchProjectionFactoryExtensionIfSupportedStep.ifSupported(SearchProjectionFactoryExtension, Function) was supported so far, apply the given function to the current (non-extended) TypedSearchProjectionFactory; otherwise return the projection created in the first succeeding ifSupported call.
ProjectionFinalStep<P>	orElseFail()	If no extension passed to SearchProjectionFactoryExtensionIfSupportedStep.ifSupported(SearchProjectionFactoryExtension, Function) was supported so far, throw an exception; otherwise return the projection created in the first succeeding ifSupported call.

Methods inherited from interface org.hibernate.search.engine.search.projection.dsl.SearchProjectionFactoryExtensionIfSupportedStep

ifSupported

Method Details

orElse

ProjectionFinalStep<P> orElse(Function<TypedSearchProjectionFactory<SR,R,E>,? extends ProjectionFinalStep<P>> projectionContributor)

If no extension passed to SearchProjectionFactoryExtensionIfSupportedStep.ifSupported(SearchProjectionFactoryExtension, Function) was supported so far, apply the given function to the current (non-extended) TypedSearchProjectionFactory; otherwise return the projection created in the first succeeding ifSupported call.

Parameters:

projectionContributor - A function called if no extension was successfully applied; it will use the (non-extended) projection factory passed in parameter to create a projection, returning the final step in the projection DSL. Should generally be a lambda expression.

Returns:

The created projection.

orElseFail

ProjectionFinalStep<P> orElseFail()

If no extension passed to SearchProjectionFactoryExtensionIfSupportedStep.ifSupported(SearchProjectionFactoryExtension, Function) was supported so far, throw an exception; otherwise return the projection created in the first succeeding ifSupported call.

Returns:

The created projection.

Throws:

org.hibernate.search.util.common.SearchException - If none of the previously passed extensions was supported.