Session Time Out and Authentication problem with gaerequest module

[Cem Ikta]

Hello,

I try to use *gaerequest* module (mobilwebapp demo in gwt svn) to control 
session timeout and authentication. Everything works fine but I'll never get 
in *GaeAuthenticationFailureEvent* dispatch method. What I do is the same in 
Expenses or MobilwebApp gaerequest gwt module in samples.

Because I use Gwt 2.4, there is a bug with evenbus (
http://code.google.com/p/google-web-toolkit/issues/detail?id=6653) with 
EventBus.

I use com.google.web.bindery.event.shared.EventBus and I have 
writtenBaseActivity to 
correct EventBus error (see bug link). Everything works fine with Activities 
but never comes into dispatch method in GaeAuthenticationFailureEvent? 

Why does not dispatch event? ( In GaeAuthRequestTransport makes 
eventBus.fireEvent(new GaeAuthenticationFailureEvent(loginUrl)); ) 
Does anyone have problems with gearequest dispatch event in GWT 2.4?

Thanks.

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Re: Aw: Generic Entity Locator

[Cem Ikta]

Hi Jens,

how do you write find Methode of your EntityLocator? Is my methode correct?

*   * @Override
public *EntityBase* find(Class clazz, Long id) {
   * return ?*
}

Best regards.

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Re: Aw: Generic Entity Locator

[Cem Ikta]

Jens thanks for your answer, i have problems with generic dao and request 
factory (in gwt 2.3). The problem was in gwt 2.4 solved (according to  
http://code.google.com/p/google-web-toolkit/wiki/RequestFactory_2_4 i have 
not yet tested!) . I am waiting for gwt 2.4 final.

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Generic Entity Locator

[Cem Ikta]

Hello,

I am writing a request factory sample in gwt 2.3, for this sample i
want to write a generic entity locator. I've read David Chandler's
sample 
http://turbomanage.wordpress.com/2011/03/25/using-gwt-requestfactory-with-objectify/
but David is using ObjectifyLocator with google app engine.

// David's generic ObjectifyLocator.java
/**
 * Generic @Locator for objects that extend DatastoreObject
 */
public class ObjectifyLocator extends Locator
{
@Override
public DatastoreObject create(Class clazz)
{
try
{
return clazz.newInstance();
} catch (InstantiationException e)
{
  throw new RuntimeException(e);
} catch (IllegalAccessException e)
{
throw new RuntimeException(e);
}
}

@Override
public DatastoreObject find(Class clazz,
Long id)
{
DAOBase daoBase = new DAOBase();
return daoBase.ofy().find(clazz, id);
}

@Override
public Class getDomainType()
{
// Never called
return null;
}

@Override
public Long getId(DatastoreObject domainObject)
{
return domainObject.getId();
}

@Override
public Class getIdType()
{
return Long.class;
}

@Override
public Object getVersion(DatastoreObject domainObject)
{
return domainObject.getVersion();
}
}

My Classes :
Base entity : getId, getVersion etc. (base class for all entities)
Category : entity
CategoryLocator : locator class
CategoryProxy : DTO Proxy for Category entity.

// CategoryLocator
public class CategoryLocator extends Locator {

@Override
public Category create(Class clazz) {
return new Category();
}

@Override
public Category find(Class clazz, Long id) {
return getCategoryDAO().findById(id);
}

private CategoryDao getCategoryDAO() {
return new CategoryDao();
}

@Override
public Class getDomainType() {
return Category.class;
}

@Override
public Long getId(Category domainObject) {
return domainObject.getId();
}

@Override
public Class getIdType() {
return Long.class;
}

@Override
public Object getVersion(Category domainObject) {
return domainObject.getVersion();
}
}

// CategoryProxy
@ProxyFor(value = Category.class, locator = CategoryLocator.class)
public interface CategoryProxy extends EntityProxy {

Long getId();

String getName();
void setName(String name);
}

How can i write only a generic entity locator class for my all proxy
classes such as ObjectifyLocator.class without google app engine
structure?

Thanks,
Cem.

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