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]<javascript:>
> > 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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