com.sap.cds.services.impl.handlerregistry.resolver

Class PojoArgumentResolver

java.lang.Object

com.sap.cds.services.impl.handlerregistry.resolver.PojoArgumentResolver

All Implemented Interfaces:

ArgumentResolver

public class PojoArgumentResolver
extends Object
implements ArgumentResolver

Handles all types of CDS Model POJO based arguments in handler methods. It supports List, Stream and direct usage of POJOs

Method Summary

Modifier and Type	Method and Description
static PojoArgumentResolver	createIfApplicable(Class<?> clazz, Type genericType) Returns a PojoArgumentResolver, if the class and generic type are applicable for this resolver
String[]	indicateEntities()
Object	resolve(EventContext context) Finds an argument value on the given EventContext
void	verifyOrThrow(HandlerDescriptor descriptor) Verifies the resolver, based on the final HandlerDescriptor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sap.cds.services.impl.handlerregistry.resolver.ArgumentResolver

indicateEvents

Method Detail

createIfApplicable

public static PojoArgumentResolver createIfApplicable(Class<?> clazz,
                                                      Type genericType)

Returns a PojoArgumentResolver, if the class and generic type are applicable for this resolver

Parameters:

clazz - the class of the argument

genericType - the generic argument type

Returns:

A PojoArgumentResolver, or null, if the resolver is not applicable.

resolve

public Object resolve(EventContext context)

Description copied from interface: ArgumentResolver

Finds an argument value on the given EventContext

Specified by:

resolve in interface ArgumentResolver

Parameters:

context - the EventContext currently processed

Returns:

the determined argument value

verifyOrThrow

public void verifyOrThrow(HandlerDescriptor descriptor)

Description copied from interface: ArgumentResolver

Verifies the resolver, based on the final HandlerDescriptor.

Specified by:

verifyOrThrow in interface ArgumentResolver

Parameters:

descriptor - the HandlerDescriptor

indicateEntities

public String[] indicateEntities()

Specified by:

indicateEntities in interface ArgumentResolver

Returns:

an array of indicated entities, that can be used if the handler does not specify entities in their annotation