Hi All,
We could use a bit of insight and help if anyone has a moment.
We currently have a project that is quite huge (thousands of classes)
including the GWT client, a spring service layer and
hibernate persistence layer.
We are trying to split up the project into more manageable pieces including:
- client project (contains our GWT widgets, RequestFactories, etc,
Spring servlets)
- service project (contains the spring service layer, web services
(REST, SOAP))
- persistence project (contains the domain beans - hibernate mapped
objects, persistence code, etc)
- shared project (classes that can be used on both the client (gwt
compiled) and server side.
Everything compiles and works (unit tests, etc) until we hit GWT's compile.
At this point, we get complaints about GWT not being able to see items
in the service layer (which makes sense, it is trying to compile references
to the beans, services, etc).
We've tried a number of approaches, including using @ServiceName instead of
@Service and using the <source .../> specifications on the modules. Right
now we a few errors we are unable to resolve:
1 - we get this one for every Adapte:)
[ERROR] Errors in 'file:/C:/workspace/client/src/main/java/com/
mycompany/adapter/alert/AlertBeanGwtAdapter.java'
[ERROR] Line 14: No source code is available for type
com.mycompany.service.alerts.IAlertService; did you forget to inherit a
required module?
2 - if we omit the "-strict" parameter when compiling GWT, we get this:
[ERROR] An internal compiler exception occurred
com.google.gwt.dev.jjs.InternalCompilerException: Failed to get JNode
...
[ERROR] <no source info>: public interface com.mycompany
.service.alerts.IAlertService
...
org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding
[ERROR] at AlertBeanGwtAdapter.java(14): private IAlertService
getService() {
return (IAlertService)
EcmLocator.getApplicationContext().getBean(IAlertService.TYPE);
}
org.eclipse.jdt.internal.compiler.ast.MethodDeclaration
Can anyone shed any light on what we may be doing wrong? When it is all in
one project, everything works fine, but splitting it into multiple projects
(that are references via maven) it fails.
Example source (some code is omitted):
*Client Layer:*
*...client.alerts.request.**IAlertRequest.java*
@ServiceName(value = "com.mycompany.service.alerts.IAlertService.class",
locator = "SpringServiceLocator.class")
public interface IAlertRequest extends RequestContext
{
Request<Long> countAlerts(String eventClass, Date dateLimit);
Request<List<IAlertTypeProxy>> listAlertTypes();
Request<List<IAlertBeanProxy>> listUnviewedAlerts();
}
*...web.**SpringServiceLocator.java**
*
public class SpringServiceLocator implements ServiceLocator
{
public Object getInstance(Class<?> clazz)
{
ApplicationContext context =
WebApplicationContextUtils.getWebApplicationContext(RequestFactoryServlet
.getThreadLocalServletContext());
return context.getBean(clazz);
}
}
*OurProject.gwt.xml*
<?xml version="1.0" encoding="UTF-8"?>
<module rename-to='Oris4'>
<inherits name='com.google.gwt.editor.Editor' />
<inherits name='com.google.gwt.json.JSON' />
<inherits name='com.google.gwt.logging.Logging' />
<inherits name='com.google.gwt.resources.Resources' />
<inherits name='com.google.web.bindery.requestfactory.RequestFactory' />
<inherits name='com.google.gwt.user.User' />
<inherits name="com.google.gwt.i18n.I18N" />
<inherits name='com.mycompany.theme.clean.Clean' />
<inherits name='com.mycompany.Persistence' />
<entry-point class='com.mycompany.client.OurEntryPoint' />
<set-configuration-property name="UiBinder.useSafeHtmlTemplates"
value="true" />
<source path='client' />
<source path='web' />
<source path='adapter' />
</module>
*Service Layer:*
*...services.alerts.**IAlertService.java*
public interface IAlertService
{
String TYPE = "AlertService";
Long countAlerts(String eventClass, Date dateLimit);
List<AlertType> listAlertTypes();
List<AlertBean> listUnviewedAlerts();
}
*...services.alerts.AlertService.java*
@Service("AlertService")
@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public class AlertService extends EcmService implements IAlertService
{
public Long countAlerts(String eventClass, Date dateLimit) {...};
public List<AlertType> listAlertTypes() {...};
public List<AlertBean> listUnviewedAlerts() {...};
}
*Persistence Layer:*
*...domain.alerts.AlertBean.java*
@Entity
@Immutable
@Table(name = "alertdisplayview")
public class AlertBean implements Serializable
{
...
}
*...domain.alerts.* *AlertType.java*
@Entity
@Immutable
@Cache(usage = CacheConcurrencyStrategy.READ_ONLY)
@Table(name = "alerttype")
@NamedQueries({
@NamedQuery(name = "alertType.findByName", query = "select alt from
AlertType alt where alt.name =:name or alt.internalName =:name")
})
public class AlertType implements Serializable
{
...
}
*Persistence.gwt.xml*
<?xml version="1.0" encoding="UTF-8"?>
<module rename-to='Persistence'>
<source path="domain" />
</module>
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