package org.jboss.seam;
import org.jboss.seam.contexts.Contexts;
/**
* Base class of metamodels. For a class which
* is neither an entity nor a Seam component,
* the concrete type of the metamodel object
* will be Model. For components or entities
* it is a subclass of Model.
*
* @author Gavin King
*
*/
public class Model
{
private Class<?> beanClass;
public Model(Class<?> beanClass)
{
this.beanClass = beanClass;
}
public final Class<?> getBeanClass()
{
return beanClass;
}
public static Model forClass(Class clazz)
{
if ( !Contexts.isApplicationContextActive() )
{
throw new IllegalStateException("No application context active");
}
String name = getModelName(clazz);
Model model = (Model) Contexts.getApplicationContext().get(name);
if ( model==null )
{
model = clazz.isAnnotationPresent(javax.persistence.Entity.class) ?
new Entity(clazz) : new Model(clazz);
Contexts.getApplicationContext().set(name, model);
}
return model;
}
static String getModelName(Class clazz)
{
return clazz.getName() + ".model";
}
}
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