This is not working. I'm getting the same exception(DomainResource is
abstract, not a concrete class. Unable to create AssistedInject factory).
On Wednesday, 5 February 2014 14:52:22 UTC-6, scl wrote:
>
> According to the documentation:
>
> constructedType is a concrete class with an @Inject-annotated constructor.
> In addition to injector-supplied parameters, the constructor should have
> parameters that match each of the factory method's parameters. Each
> factory-supplied parameter requires an @Assisted annotation.
>
>
> You have your @Asissted annotation on a field.
> Try and add a parameter with type Domain to the constructor of
> TodoResource which is annotated with @Assisted and pass it to the super
> constructor of DomainResource
>
> Hope this works
>
>
>
>
> On 02/05/2014 09:36 PM, Rama Krishna Gollapudi wrote:
>
> Hello is there any solution to my problem ?
>
> On Tuesday, 4 February 2014 12:39:29 UTC-6, Rama Krishna Gollapudi wrote:
>>
>> Here is my abstract class
>>
>> public abstract class DomainResource {
>>
>> @Inject
>> @Assisted
>> private Domain target;
>>
>> @Inject
>> private LinkHelper helper;
>>
>> /**
>> * Accessor for the domain resource, will return domain information
>> and links to domain scoped resources
>> * @param info the uri information
>> * @return a Map representing the returned json
>> */
>> @GET
>> @Produces(APPLICATION_JSON)
>> @SuppressWarnings("nls")
>> public Map<String, Object> get(@Context final UriInfo info) {
>>
>> return "Implement your stuff";
>> }
>> }
>>
>>
>> *Implementaion*
>>
>> public class TodoResource extends DomainResource {
>> @Inject
>> private Domain domain;
>> @Inject
>> private ScopedResourceFactory factory;
>> @Inject
>> private LinkHelper helper;
>>
>> @GET
>> @Produces(APPLICATION_JSON)
>> public Map<String, Object> getTypes(@Context final UriInfo uriInfo) {
>> return helper.indexMapResponse();
>> }
>>
>> /**
>> * @param info uriInfo object used to extract matrix params
>> * @return the encounters resource
>> */
>> @Path("todos")
>> public Object getEncounters(@Context final UriInfo info) {
>> return " implement Your Stuff.";
>> }
>> }
>>
>>
>> *Factory :*
>> public interface ScopedResourceFactory {
>>
>> DomainResource domainResource(Domain target);
>> }
>>
>>
>>
>> And as per your suggestion i'm binding like this.
>> install(new FactoryModuleBuilder().implement(DomainResource.class,
>> TodoResource.class).build(
>> ScopedResourceFactory.class));
>>
>> But still i'm getting exception. Please find below.
>>
>>
>>
>> com.rama.util.jaxrs.DomainResource is abstract, not a concrete class.
>> Unable to create AssistedInject factory.
>> while locating com.cerner.iaware.util.jaxrs.DomainResource
>> at
>> com.rama.util.guice.ScopedResourceFactory.domainResource(ScopedResourceFactory.java:1)
>>
>> 1 error
>> at
>> com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:448)
>> at
>> com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:155)
>> at
>> com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107)
>> at com.google.inject.Guice.createInjector(Guice.java:96)
>> at com.google.inject.Guice.createInjector(Guice.java:73)
>> at com.google.inject.Guice.createInjector(Guice.java:62)
>> at
>> com.rama.todo.guice.GuiceConfigurationInitializer.getInjector(GuiceConfigurationInitializer.java:49)
>> at
>> com.google.inject.servlet.GuiceServletContextListener.contextInitialized(GuiceServletContextListener.java:47)
>> at
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939)
>> at
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
>> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>> at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
>> at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
>> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>> at java.lang.Thread.run(Thread.java:662)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Tuesday, 4 February 2014 12:09:47 UTC-6, Sam Berlin wrote:
>>>
>>> The assisted inject
>>> docs<http://google-guice.googlecode.com/svn/trunk/javadoc/com/google/inject/assistedinject/FactoryModuleBuilder.html>describe
>>> how to do this. The example in the doc reads:
>>>
>>> install(new FactoryModuleBuilder()
>>> .implement(Payment.class, RealPayment.class)
>>> .build(PaymentFactory.class));
>>>
>>> You'd just substitute Payment for DomainResource, RealPayment for
>>> TodoResource, and PaymentFactory for your assistedinject factory.
>>>
>>> sam
>>>
>>>
>>> On Tue, Feb 4, 2014 at 12:38 PM, Rama Krishna Gollapudi <
>>> [email protected]> wrote:
>>>
>>>> Hello,
>>>> I'm having a problem of binding an abstract class with it's
>>>> implementation using Guice . I'm getting the following exception.
>>>>
>>>> com.rama.util.jaxrs.DomainResource is abstract, not a concrete class.
>>>> Unable to create AssistedInject factory.
>>>>
>>>> And i did binding like this.
>>>> bind(DomainResource.class).to(TodoResource.class);
>>>>
>>>> DomainResoruce is an abstract class and TodoResource is an
>>>> implementation.
>>>>
>>>> Thanks,
>>>> Rama.
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>>>
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